Which statement correctly describes the difference between alcohol fermentation and lactic acid fermentation?.
Answers
Alcohol fermentation and lactic acid fermentation are two different metabolic processes that occur in organisms, particularly in microorganisms like bacteria and yeast.
The main difference between these two fermentation processes lies in the end products produced and the organisms involved.
End Products:
Alcohol fermentation, also known as ethanol fermentation, produces ethanol (alcohol) as the primary end product. The overall equation for alcohol fermentation is:
Glucose → 2 Ethanol + 2 Carbon Dioxide + Energy
Lactic acid fermentation, on the other hand, produces lactic acid as the primary end product. The overall equation for lactic acid fermentation is:
Glucose → 2 Lactic Acid + Energy
Organisms:
Alcohol fermentation is primarily carried out by yeast, such as Saccharomyces cerevisiae. Yeast converts glucose into ethanol and carbon dioxide through a series of enzymatic reactions.
Lactic acid fermentation, on the other hand, is carried out by certain bacteria, including species of Lactobacillus and Streptococcus. These bacteria convert glucose into lactic acid through the process of fermentation.
Occurrence:
Alcohol fermentation is commonly associated with the production of alcoholic beverages like beer, wine, and spirits. Yeast consumes sugar (glucose) and converts it into ethanol, producing the characteristic alcohol content of these beverages.
Lactic acid fermentation, on the other hand, occurs in various situations. It is commonly found in certain bacteria during the fermentation of dairy products like yogurt and cheese. It also occurs in our muscles during intense exercise when the oxygen supply is limited, leading to the build-up of lactic acid and muscle fatigue.
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Related Questions
How many kilojoules of heat are given off when 5.0 g of water cools from 75oC to 25 oC?
Answers
Specific heat capacity of a substance is the amount of heat required to raise the temperature by one degree Celsius of one gram of a substance. Therefore, -1.046KJ of heat are given off when 5.0 g of water cools from 75 °C to 25 °C.
What is Enthalpy?Enthalpy term is basically used in thermodynamics to show the overall energy that a matter have. Mathematically, Enthalpy is directly proportional to specific heat capacity of a substances.
Mathematically,
Enthalpy=mass of water× specific heat capacity of water× Change in temperature
mass of water= 5.0 g
specific heat capacity of water=4.186J/g°C
Change in temperature=final temperature - initial temperature
= 25 °C- 75 °C
=-50°C
Substituting all the given values in the above equation, we get
Enthalpy=5.0× 4.186× -50°C
Enthalpy=-1,046.5J=-1.046KJ
Therefore, -1.046KJ of heat are given off when 5.0 g of water cools from 75 °C to 25 °C.
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Please help help I need help ASAP What can you infer about the heartbeat when the pulse rate increases?
Answers
Answer:
The heart is pumping more blood throughout your body
Explanation:
Multiply the numbers and round the answer to the correct number of significant figures. \[ 3.293 \times 0.82= \]
Answers
To multiply the numbers and round the answer to the correct number of significant figures, follow these steps: Multiply the numbers, and Determine the number of significant figures in the original numbers. 3.293 X 0.82 = 2.7 (rounded to 2 significant figures).
To multiply the numbers and round the answer to the correct number of significant figures, follow these steps:
Step 1: Multiply the numbers: 3.293 x 0.82 = 2.69726.
Step 2: Determine the number of significant figures in the original numbers. In this case, 3.293 has 4 significant figures, and 0.82 has 2 significant figures.
Step 3: Round the result to the least number of significant figures among the original numbers, which is 2 significant figures in this case.
Step 4: Round the result to 2 significant figures: 2.7.
Therefore, \(3.293 X 0.82 = 2.7\) (rounded to 2 significant figures).
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The elastic properties of DNA can be measured in a single molecule stretching experiment. b. Alternatively, DNA can be stretched by confinement in a nanochannel with a diameter D. Derive the relationship between D and f and calculate which value of D corresponds to a stretching force f=0.02pN.
Answers
A stretching force of f = 0.02 pN corresponds to a nanochannel diameter of D = 0.14 nm. The relationship between the diameter of a nanochannel (D) and the stretching force (f) applied to the DNA is given by \(D = (f/k)^(1/2)\), where k is the stiffness constant of DNA.
To measure the elastic properties of DNA using a nanochannel, we can analyze the equilibrium between the stretching force applied to the DNA and the confinement force exerted by the nanochannel walls. The relationship between D and f can be derived as follows:
Determine the stiffness constant (k) of the DNA: The stiffness constant, k, represents the resistance of the DNA molecule to stretching.
It can be calculated using the formula k = (EA/L), where E is the Young's modulus of DNA, A is the cross-sectional area of DNA, and L is the contour length of DNA.
Calculate the value of k: Assuming the values E = 6.9 GPa, A = 0.34 nm², and L = 50 nm, we can substitute these values into the equation to find k = (6.9 GPa * 0.34 nm²) / (50 nm) = 0.48 pN/nm.
Calculate the diameter of the nanochannel (D): For a given stretching force f, we can use the equation \(D = (f/k)^(1/2)\) to determine the corresponding diameter of the nanochannel.
Substituting f = 0.02 pN into the equation: By substituting f = 0.02 pN and k = 0.48 pN/nm into the equation, we find D = (0.02 pN / 0.48 \(pN/nm)^(1/2)\) = 0.14 nm.
Therefore, a stretching force of f = 0.02 pN corresponds to a nanochannel diameter of D = 0.14 nm.
It's important to note that this explanation assumes certain values for the Young's modulus, cross-sectional area, and contour length of DNA. These values are approximate and can vary depending on the specific characteristics of the DNA molecule under investigation.
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What is the product of the reaction of 1-propanol with phenyl isocyanate, C6H5N=C=O?
Answers
The balanced equation for this reaction is:
CH3CH2CH2OH + C6H5N=C=O → CH3CH2CH2OC(=O)N(C6H5)CH3 + H2O
The reaction of 1-propanol (CH3CH2CH2OH) with phenyl isocyanate (C6H5N=C=O) leads to the formation of a urethane compound. The reaction's balanced equation is as follows:CH3CH2CH2OH + C6H5N=C=O → CH3CH2CH2OC(=O)N(C6H5)CH3 + H2O
In this process, the condensation reaction between the isocyanate group (-N=C=O) of phenyl isocyanate and the hydroxyl group (-OH) of 1-propanol results in the creation of a urethane molecule. A propanol group is connected to a phenyl group through an oxygen atom to produce CH3CH2CH2OC(=O)N(C6H5)CH3, the reaction's end product. The reaction also results in the production of water (H2O).Learn more about the condensation reaction:
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The car has a rechargeable battery to drive it’s motor. The rechargeable battery provided a potential difference of 330 volts and can store up to 64 mega Jules it takes 8 hours for the battery to receive a full charge assume that the charging process is 100% efficient calculate the total charge the flows while the battery is being charged
Answers
The total charge that flows while the battery is being charged is approximately 193,939.39 Coulombs.
To calculate the total charge that flows while the battery is being charged, we can use the relationship between electrical energy, potential difference, and charge.
The electrical energy (E) stored in the battery is given as 64 mega Jules (64 MJ). The potential difference (V) provided by the battery is 330 volts. We know that the energy (E) is equal to the product of the potential difference (V) and the charge (Q):
E = V * Q
Since the charging process is 100% efficient, all the electrical energy supplied is stored in the battery. Therefore, we can rearrange the equation to solve for the charge (Q):
Q = E / V
Substituting the given values, we have:
Q = 64 MJ / 330 V
To perform the calculation, we need to convert mega Jules (MJ) to joules (J) since the SI unit of energy is joules. One mega Joule is equal to 1 million joules:
Q = (64 * 10^6 J) / 330 V
Calculating the division:
Q ≈ 193,939.39 Coulombs
Therefore, the total charge that flows while the battery is being charged is approximately 193,939.39 Coulombs.
This value represents the quantity of electric charge transferred during the charging process, and it indicates the amount of electricity that enters the battery.
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In the reaction: I2 + ClO3− → IO3− + Cl−, indicate:a. the element that is oxidized: b. the element that is reduced: c. the reducing agent: d. the oxidizing agent: e. Balance the reaction
Answers
1) Which element is oxidized
\(I_2+ClO^-_3\rightarrow IO^-_3+Cl^-\)Oxidation numbers
I2: 0
ClO3-: for Cl +5 and for O is -2
IO3-: for I is +5 and for O -2
Cl-: -1.
According to the oxidation number
a. Iodine (I) has been oxidized. It changed from 0 to +5.
b. Chlorine has been reduced. It changed from +5 to -1
2) reducing agent and oxidizing agent
c. A reducing agent donates electrons. In the reaction, Iodine is the reducing agent.
d. An oxidizing agent accepts electrons. In the reaction, Chlñorine is the oxidizing agent.
3) Balancing the chemical equation
\(I_2+ClO^-_3\rightarrow IO^-_3+Cl^-\)Step 1: break the reaction into two half-reactions.
Oxidation half-reaction
\(I_2\rightarrow IO^-_3\)Reduction half-reaction
\(ClO^-_3\rightarrow Cl^-\)Step 2: balance all elements EXCEPT for hydrogen and oxygen
Oxidation half-reaction
\(I_2\rightarrow2IO^-_3\)Reduction half-reaction
\(ClO^-_3\rightarrow Cl^-\)Step 3: Balance OXYGEN. We do so by adding water molecules to the half-reactions as needed.
Oxidation half-reaction
\(I_2+6H_2O\rightarrow2IO^-_3\)Reduction half-reaction
\(ClO^-_3\rightarrow Cl^-+3H_2O\)Step 4: Balance HYDROGEN. We do so by adding protons (H+) to the half-reactions as needed.
Oxidation half-reaction
\(I_2+6H_2O\rightarrow2IO^-_3+12H^+\)Reduction half-reaction
\(ClO^-_3+6H^+\rightarrow Cl^-+3H_2O\)Step 5: Balance CHARGES. We do so by adding electrons
Oxidation half-reaction
\(I_2+6H_2O\rightarrow2IO^-_3+12H^++10e^-\)Reduction half-reaction
\(ClO^-_3+6H^++6e^-\rightarrow Cl^-+3H_2O\)Step 6: Multiply each half-reaction in such a way we can cancel the electrons.
Oxidation half-reaction
\(3\cdot(I_2+6H_2O\rightarrow2IO^-_3+12H^++10e^-)\)New oxidation half-reaction
\(3I_2+18H_2O\rightarrow6IO^-_3+36H^++30e^-\)Reduction half-reaction
\(5\cdot(ClO^-_3+6H^++6e^-\rightarrow Cl^-+3H_2O)\)New reduction half-reaction
\(5ClO^-_3+30H^++30e^-\rightarrow5Cl^-+15H_2O\)Step 7: combine the half-reactions. We have 30e in the reactants and 30e in the products. We can cancel them and combine the remaining species.
New oxidation half-reaction
\(3I_2+18H_2O\rightarrow6IO^-_3+36H^++30e^-\)New reduction half-reaction
\(5ClO^-_3+30H^++30e^-\rightarrow5Cl^-+15H_2O\)Overall reaction
\(3I_2+18H_2O+5ClO^-_3+30H^+\rightarrow6IO^-_3+36H^++5Cl^-+15H_2O\)Step 8: Balance the reaction by reducing the number of water molecules and protons.
Overall reaction
\(3I_2+3H_2O+5ClO^-_3^{}\rightarrow6IO^-_3+6H^++5Cl^-\)e. Balance the reaction
\(3I_2+3H_2O+5ClO^-_3^{}\rightarrow6IO^-_3+6H^++5Cl^-\).
In the absence of stability information water containing formulations (prepared from ingredients in solid form) should be assigned by a beyond-use date that is:______.
Answers
In the absence of stability information water containing formulations (prepared from ingredients in solid form) should be assigned by a beyond-use date that is: no later than 14 days when stored at cold temperature.
When to use beyond-use dates when preparing suspension?
When using manufactured solid dosage forms to prepare a solution or aqueous suspension, the compound is additionally to consider factors such as hydrolysis and the freeze-thaw property of the final preparation before assigning a beyond-use date.
What is solution and suspension?
While suspensions are heterogeneous mixtures, solutions are homogeneous mixtures. The particles of a suspension may be seen with the open eye, whereas the particles of an answer are at the ion or molecular level and cannot be seen with it.
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to what tempature must a sample of helim gas be cooled from 119
Answers
The sample of helium gas must be cooled to approximately -220°C to reduce its volume from 5.9 L to 0.2 L at constant pressure.
According to the ideal gas law, the relationship between the volume (V), temperature (T), and pressure (P) of a gas can be expressed as PV = nRT, where n is the number of moles of the gas and R is the ideal gas constant. In this case, the pressure is constant, so we can simplify the equation to V/T = constant.
To find the final temperature required to reduce the volume from 5.9 L to 0.2 L, we can set up the following ratio:
(V1 / T1) = (V2 / T2)
Where V1 is the initial volume (5.9 L), T1 is the initial temperature (119°C + 273.15 = 392.15 K), V2 is the final volume (0.2 L), and T2 is the final temperature that we need to find.
Rearranging the equation, we have:
T2 = (V2 / V1) * T1
= (0.2 L / 5.9 L) * 392.15 K
≈ 13.28 K
Converting 13.28 K back to Celsius, we get:
T2 ≈ -259.87°C
Therefore, the sample of helium gas must be cooled to approximately -220°C (or -259.87°C) to reduce its volume from 5.9 L to 0.2 L at constant pressure.
The question should be:
To what temperature must a sample of helium gas be cooled from 119°C to reduce its volume from 5.9 L to 0.2 L at constant pressure?
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a -l container is filled with g argon. if the pressure is atm, what is the temperature? if the temperature is k, what is the pressure?
Answers
A) If, the pressure is 10.0 atm, the temperature in the 2.50 L container filled with 175 g of argon is approximately 57.3 K. B) If the temperature is 225 K, the pressure in the 2.50 L container filled with 175 g of argon is approximately 79.1 atm.
Firstly, we can use the ideal gas law equation;
PV = nRT
Where;
P = pressure (in atm)
V = volume (in liters)
n = number of moles of gas
R = ideal gas constant (0.0821 L·atm/mol·K)
T = temperature (in Kelvin)
Given;
V = 2.50 L
m (mass of argon) = 175 g
P = 10.0 atm
First, we need to calculate the number of moles of argon using the given mass and the molar mass of argon.
The molar mass of argon will be approximately 39.95 g/mol.
Number of moles (n) = mass/molar mass
n = 175 g / 39.95 g/mol
n ≈ 4.38 mol
Now, we rearrange the ideal gas law equation to solve for temperature (T);
T = PV / (nR)
Substituting the given values, we have:
T = (10.0 atm) × (2.50 L) / (4.38 mol × 0.0821 L·atm/mol·K)
Calculating this expression, we find;
T ≈ 57.3 K
Therefore, if the pressure is 10.0 atm, the temperature in the 2.50 L container filled with 175 g of argon is approximately 57.3 K.
Given;
T = 225 K
To find the pressure (P), we rearrange the ideal gas law equation as follows;
P = nRT / V
Substituting the given values, we have:
P = (4.38 mol × 0.0821 L·atm/mol·K × 225 K) / (2.50 L)
Calculating this expression, we find:
P ≈ 79.1 atm
Therefore, if the temperature is 225 K, the pressure in the 2.50 L container filled with 175 g of argon is approximately 79.1 atm.
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--The given question is incomplete, the complete question is
"A 2.50-L container is filled with 175 g argon. a. If the pressure is 10.0 atm, what is the temperature? b. If the temperature is 225 K, what is the pressure? "--
which species is diamagnetic?
A. co2+
B. n3−
C. ti
D. fe3+
Answers
Among the given species, B. N³⁻ is the diamagnetic species because all of its electrons are paired.
To determine which species is diamagnetic, let's analyze each option:
A. Co²⁺
B. N³⁻
C. Ti
D. Fe³⁺
Diamagnetic species have all of their electrons paired in their atomic or molecular orbitals. Let's examine the electron configurations for each species:
A. Co²⁺ has the electron configuration [Ar] 3d⁷, which contains unpaired electrons.
B. N³⁻ has the electron configuration [He] 2s² 2p⁶, which has all electrons paired.
C. Ti has the electron configuration [Ar] 3d² 4s², which contains unpaired electrons.
D. Fe³⁺ has the electron configuration [Ar] 3d⁵, which contains unpaired electrons.
Among the given species, B. N³⁻ is the diamagnetic species because all of its electrons are paired.
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SEP Engage in Argument A classmate claims that state of matter is an extensive property because it can vary with temperature. For example, hydrogen changes into a liquid at very low temperatures and high pressure, while iron can melt into a liquid at very high temperatures. Do you agree with the classmate? Write an argument to support your position.
Answers
Answer: I agree with the student because in the question prior to this One question stated thatExtensive properties very with the amount of matter ina sample, so yes i agree.
Explanation:
Which of the following is most likely to cause you to start a filtration over again?
A.
failure to use a stirring rod
B.
overflowing the top edge of the filter paper
C.
placing the tip of the funnel in the center of the beaker
D.
using too large a piece of filter paper
Answers
Answer:
overflow the top edge of the filter paper
Justify how the octet rule helps to predict which elements can bond with each other. Be sure to cite specific examples and non examples in
your response
Answers
preferAnswer:
The octet rule refers to the tendency of atoms to prefer to have eight electrons in the valence shell. When atoms have fewer than eight electrons, they tend to react and form more stable compounds. Atoms will react to get in the most stable state possible
Explanation:
Hopefully this is what your looking for
what are itss velocity and acceleration during that interval
Answers
Answer:
Acceleration is defined as the rate of change of velocity. ... For a particular interval, the average acceleration is defined as the change in velocity for that particular interval. Unlike acceleration, the average acceleration is calculated for a given interval.
What are physical properties changed physical or chemical change?
Answers
The physical change are the changes in physical properties of the substances.
What are physical properties?Physical properties can be defined as the characteristics of the matter or substance that can be observed and measured without any change in the chemical identities of the sample. The physical properties includes density, color, hardness, melting point, boiling point, appearance, solubility, polarity, electrical conductivity and many more.
The physical change can be defined as a reversible change in physical properties of the substance or object.
Thus, the physical change are the changes in physical properties of the substances.
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The correct answer is B. Wind applies a frictional force that causes surface ocean water to move in a path similar to the wind currents.
Surface currents are the horizontal movements of ocean water near the surface. These currents are mainly caused by the wind. Here's how wind causes surface currents:
1. When wind blows across the surface of the ocean, it creates friction between the air and the water.
2. This frictional force transfers some of the energy from the wind to the water.
3. As a result, the water near the surface starts to move in the same direction as the wind.
4. The water then forms a current that follows the path of the wind, known as a surface current.
For example, if there is a strong westward wind, it will create a westward surface current in the ocean.
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Below is a chemical reaction in which two solutions are combined:
CdSO4 (aq) + K2S (aq) → CdS(s) + K2SO4 (aq)
a) What does the subscript (s) mean?
b) For cadmium sulfate, write a chemical equation similar to problem 2 showing that cadmium sulfate dissolves in water. Do the same for potassium sulfide. How many ions are present in this solution?
c) Some of these ions react with one another to produce cadmium sulfide. Look up the physical properties of cadmium sulfide. What would you expect to see when you mix cadmium sulfate and potassium sulfide?
d) What is the name for this type of reaction?
e) Potassium sulfate is shown as a soluble product. What ions are still present in solution after the reaction?
Answers
a) Subscript (s) means solid or precipitate.
b) CdSO₄ (aq) → Cd²⁺ (aq) + SO₄²⁻(aq) and K₂S(aq) → 2K⁺ (aq) + S²⁻ (aq). There are 4 types of ions present in the solution Cd²⁺, SO₄²⁻, 2K⁺ and S²⁻.
c) Yellow to orange color precipitate will be seen after this reaction.
d) The reaction is known as double displacement or a precipitation reaction.
e) 2K⁺ and SO₄²⁻ are the ions still present in the solution.
The detailed answer to the questions related to the given equation are as follows:
Given equation: CdSO₄ (aq) + K₂S (aq) → CdS (s) + K₂SO₄ (aq)
a) The subscript (s) means "solid." In this reaction, CdS is a solid product formed by the reaction of aqueous CdSO₄ and K₂S.
b) When cadmium sulfate (CdSO₄) dissolves in water, it dissociates into ions:
CdSO₄ (aq) → Cd²⁺ (aq) + SO₄²⁻ (aq)
Similarly, when potassium sulfide (K₂S) dissolves in water, it dissociates into ions:
K₂S (aq) → 2K⁺ (aq) + S²⁻ (aq)
In this solution, there are four types of ions are present: Cd²⁺, SO₄²⁻, 2K⁺, and S²⁻.
c) Cadmium sulfide (CdS) has a yellow to orange color and is insoluble in water. When you mix cadmium sulfate (CdSO₄) and potassium sulfide (K₂S), you would expect to see a yellow to orange precipitate forming, which is cadmium sulfide (CdS).
d) The name for this type of reaction is a double displacement reaction or a precipitation reaction.
e) After the reaction, the soluble product potassium sulfate (K₂SO₄) is formed, which dissociates into ions in the solution. The ions still present in the solution after the reaction are: 2K⁺ (aq) + SO₄²⁻ (aq).
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which gas would diffuse rapidly at the same temperature and pressure UF6 or CL2
Answers
Answer:
UF6
Explanation:
which of the following best describes the pattern in the atmospheric co2 concentration data over the past 200,000 years? responses the concentration of co2 fluctuate between 150 ppm and 250 ppm. the concentration of c o 2 fluctuated between 150 parts per million and 250 parts per million . the concentration of co2 fluctuate between 150ppm and 250 ppm until recently, when the concentration rose exponentially. the concentration of c o 2 fluctuated between 150 parts per million and 250 parts per million until recently, when the concentration rose exponentially. the concentration of co2 remained constant at first from 200,000 years ago until 50,000 years ago, and then began a steady decline. the concentration of c o 2 remained constant at first from 200,000 years ago until 50,000 years ago, and then began a steady decline. the concentration of co2 rose exponentially to 400ppm and leveled off at carrying capacity.
Answers
Before recently, the CO2 levels varied between 150 ppm and 250 ppm before rising dramatically.
Which successional stage is the oldest?The forest, sometimes known as the climax stage, is the first stage of a succession performance. A lichen is an example of an early species that can be found in habitats like a forest.
What caused the environment of the peppered moth to alter, and how?Urban tree trunks and buildings had turned black due to sooty air pollution brought on by industrialization and home coal fires, which also killed out lichens. Thus, the melanic form of the moth was better hidden and more likely to live and create progeny, whereas the pale form was now more visible to predators.
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complete the statement
qxy- bxy+cxy= xy( )
Answers
Answer:
xy (-b+c+q) is the answer to this
How to identify polar molecules
Answers
Answer:
Polar molecules occur when there is an electronegativity difference between the bonded atoms. Nonpolar molecules occur when electrons are shared equal between atoms of a diatomic molecule or when polar bonds in a larger molecule cancel each other out
Explanation:
Two imbalances that are related are and hypochloremia because additional Cl-must be excreted to the kidney tubules to buffer the high concentrations of H+ in the tubules. Hypokalemia hyperkalemia cations Following hemorrhage can also cause alkalosis because through the renin-angiotensin- aldosterone system Na+ reabsorption is increased causing a larger of H+ into tubular fluid hypercalcemia Systemic acidosis can cause due to the high levels of H+ forcing greater binding of ECF calcium to anions alkalosis
Answers
Two imbalances that are related are Acidosis and hypochloremia because additional Cl-must be excreted to the kidney tubules to buffer the high concentrations of H+ in the tubules.
Bicarbonate loss, not acid generation or retention, is the pathological condition known as hyperchloremic metabolic acidosis. Numerous factors, including gastrointestinal (GI), renal, and exogenous factors, can cause bicarbonate loss that results in hyperchloremic metabolic acidosis.
Hypochloremia brought on by acidosis may be explained by the extracellular compartment expanding as a result of cellular cation extrusion that takes place during buffering.
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The complete question is:
Two imbalances that are related are ______ and hypochloremia because additional Cl-must be excreted to the kidney tubules to buffer the high concentrations of H+ in the tubules.
The mathematical expression for h is:
A) mv^2/2
B) v^2/(2g)
C) mg
D) mv
Answers
The mathematical expression for h is v²/(2g) which is based on conservation of energy and the correct option is option B.
The law of conservation of energy states that energy can neither be created nor be destroyed. Although, it may be transformed from one form to another.
Example, when a fruit is falling to the bottom, potential energy is getting converted into kinetic energy.
Conservation of energy implies
KEinitial = PEfinal
mv²/2 = mgh
therefore, h = v²/2g.
Thus, the ideal selection is option B.
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what planet has a 16 hour day
Answers
Answer:
Neptune
Explanation:
what alkane, with molecular formula c7h16 , forms seven monochlorinated products (disregarding stereoisomers) when heated with cl2 ?
Answers
2,2-dimethylpentane is the alkane that produces four isomeric monochloro derivatives. There are four different sorts of carbon atoms present, resulting in four different isomeric products.
Alkane:
Alkanes are organic substances that only include single-bonded hydrogen and carbon atoms and do not contain any other functional groups. Alkanes can be broken down into the following three groups: linear straight-chain alkanes, branched alkanes, and cycloalkanes. Alkanes have the general formula CnH2n+2. Saturated hydrocarbons also include alkanes. The only components of alkanes are carbon and hydrogen, making them the most basic and least reactive hydrocarbon type.
Isomers:Isomerism is a phenomena where a substance has a similar chemical formula but a different structure. Isomers are the particular chemicals that displayed this resemblance.
The 4 different isomeric products are shown in the picture.
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How many electrons are shared between one nitrogen
atom and one carbon atom
Answers
Problem 3.58
Epsom salts, a strong laxative used in veterinary
medicine, is a hydrate, which means that a certain
number of water molecules are included in the solid
structure. The formula for Epsom salts can be
written as MgSO, H₂O, where z indicates the
number of moles of H₂O per mole of MgSO
When 5.567 g of this hydrate is heated to 250 °C.
all the water of hydration is lost, leaving 2.719 g of
MgSO,
Part A
What is the value of a?
Express your answer as an integer.
2=
15. ΑΣΦ
Submit
Previous Answers Request Answer
?
Review | Constants
Answers
Epsom salts, a strong laxative used in veterinary medicine, is a hydrate, which means that a certain number of water molecules are included in the solid structure. The formula for Epsom salts can be written as MgSO₄. 7 H₂O. The value of a is 7.
How to determine the molar mass of compound ?To calculate the molar mass first we have to add the atomic mass of the elements.
Molar Mass of H₂O = 1 × 2 + 16
= 18 g/mol
Molar Mass of MgSO₄ = 24 + 32 + 4 × 16
= 24 + 32 + 64
= 120 g/mol
Mass of water = Mass of MgSO₄. xH₂O - MgSO₄
= 5.061 g - 2.472 g
= 2.589 g
How to find the number of moles ?To find the number of moles use this formula
Number of moles = Given Mass / Molar Mass
Given mass of MgSO₄ = 2.422
Molar mass of MgSO₄ = 120
Moles of MgSO₄ = Given mass / Molar mass
= 2.422 / 120
= 2.05 × 10⁻² moles
Moles of H₂O = Given Mass / Molar mass
= 2.589 / 18
= 14.38 × 10⁻² moles
Number of MgSO₄ = 2.05 × 10⁻² moles / 2.05 × 10⁻² moles
= 1
Number of H₂O = 14.38 × 10⁻² moles / 2.05 × 10⁻² moles
= 7
Therefore the hydrate molecule is MgSO₄. 7 H₂O. The value of a is 7.
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Calculate the wavelength of radiation with a frequency of 4.9 ×1014 per second.
Answer in units of meters.
Answers
The wavelength-λ = 6.12 x 10⁻⁷ m
Further explanationRadiation energy is absorbed by photons
The energy in one photon can be formulated as
\(\large{\boxed{\bold{E\:=\:h\:.\:f}}}\)
Where
h = Planck's constant (6,626.10⁻³⁴ Js)
f = Frequency of electromagnetic waves
f = c / λ
c = speed of light
= 3.10⁸ m/s
λ = wavelength
The wavelength of radiation with a frequency of 4.9 ×10¹⁴/s :
\(\tt \lambda=\dfrac{c}{f}\\\\\lambda=\dfrac{3.10^8}{4.9\times 10^{14}}\\\\\lambda=6.12\times 10^{-7}~m\)
The higher the frequency of light, the ___ its wavelength and the ___ its energy.
a. longer, lower
b. longer, higher
c. shorter, lower
d. shorter, higher
Answers
Answer:
c
Explanation:
Both artists and scientists contribute to our understanding of the world around us. Identify the ways that art and science are similar. Check all that apply.
Both artists and scientists use their imagination to create things.
Both artists and scientists rely on others in their field for inspiration.
Both artists and scientists can modify their work whenever necessary.
Both artists and scientists use technological innovations to explore new possibilities.
Answers
Arts helps us to understand the world with the help of textures and deepness of the art. Science is the only way with the help of which we are able to understand the beauty of the nature.
How artists and scientists help us to understand the world around us?
Arts:
Arts gives us meaning and help us to understand the world around us. Even the Scientific studies have proven that art appreciates improves our life quality of life and makes us feel good. When we create the art then we define our mood, the situations around us, the environment exists around us and open our minds with new ideas.
Science:
First of all the science helps our understanding of the world around us. Every thing we know about the universe, we know how the trees grew up, we know how the habitat exists on the earth, we know that how the weather and climate changes. This is all due to the science. Human progress throughout history has largely rested on advances in science.
So we can conclude that: Arts helps us to understand the world with the help of textures and deepness of the art. Science is the only way with the help of which we are able to understand the beauty of the nature.
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Answer:
A: Both artists and scientists use their imagination to create things.
B: Both artists and scientists rely on others in their field for inspiration.
D: Both artists and scientists use technological innovations to explore new possibilities.
Explanation:
