One serving of peanuts has about 166.000 calories. Convert this to Joules.
[answer: 695,000 J]
please show me the work! thank youu!
Answers
One serving of peanuts has about 166.000 calorie then in joules are 695,000 Joule means 694.544 Joule and 'joule is the amount of energy exerted when a force of one newton is applied over a displacement of one meter'
A calorie is a unit of energy in nutrition, calories refer to the energy people get from the food and drink they consume, and the energy they use in physical activity and calories are listed in the nutritional information on all food packaging many weight loss programs center around reducing the intake of calories.
Here given data is peanuts = 166.000 calories given in the calories then we have to find in joules = ?
In the thermochemical calories to joule we have one given value i.e
1cal th = 4.184 J means here 1 cal = 4.184 J
So, we have to calculate 166.000 calories
Then, 4.184×166.000
= 694.544 J
Which is approximately 695,000 J
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Related Questions
Sediments that have been cemented together become igneous rock. True or False?
Answers
Sediments that have been cemented together become igneous rock. false
The rock pieces called as sediments dropped from the wind and air to make a layer and this can be buried under other layers of sediments . after a long time sediments that have been cemented together become sedimentary rock. sedimentary rock can change into igneous rock and metamorphic rocks. sediments are pieces of solid material that have been deposited on earth surface. formation of sedimentary rocks begins when weathering and erosion produce sediments. so the statement Sediments that have been cemented together become igneous rock is a false statement.
Thus, Sediments that have been cemented together become igneous rock. false.
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Which section of the reaction represents the reactants
Answers
5. find the concentration of 100.0 ml of hcl if 80.0 ml of 2.5 m naoh is required to neutralize the acid. a) how many moles of base were added to the beaker to neutralize the acid? b) how many moles of acid were originally in the beaker? c) using the original moles of acid and the original volume of acid in the flask, calculate the molarity of the hcl.
Answers
To find the concentration of HCl, we need to calculate the moles of base added to neutralize the acid, the moles of acid originally in the beaker, and then use these values to determine the molarity of HCl.
a) To find the moles of base (NaOH) added, we can use the formula:
Moles of NaOH = Volume of NaOH (in L) × Molarity of NaOH
Converting the volume to liters and using the given values:
Moles of NaOH = 0.080 L × 2.5 mol/L = 0.2 mol
b) Since the reaction is a 1:1 stoichiometric ratio between NaOH and HCl, the moles of acid (HCl) will be equal to the moles of base added. Therefore, there were also 0.2 mol of HCl originally in the beaker.
c) Now, we can calculate the molarity of HCl using the formula:
Molarity (M) = Moles of solute / Volume of solution (in L)
Given that the volume of the acid is 100.0 mL (or 0.100 L) and the moles of acid is 0.2 mol:
Molarity of HCl = 0.2 mol / 0.100 L = 2.0 M
Therefore, the molarity of the HCl solution is 2.0 M.
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Suppose you see a crescent Moon. How do you know if it is waxing or waning?
Answers
Answer:
waxing is in the evening and waning is in the morning if you cant see the moon in the evening it is waning if you can see it in the evening it is waxing
The Earth’s crust is divided into large sections like puzzle pieces called plates. The plates move due to uneven heating in the mantle which causes the molten rock to circulate. This circulation is called ____________ __________________.
Answers
Answer:
conversational current
Calculate mass of 2 molecules of H2O(water) ?
Answers
Answer:
36
Explanation:
H - 1
O - 16
H2O = 2(1) + 16 = 18
2(H2O) = 36
a gas at 24o c with a pressure of 100 kpa has a volume of 5.0 l. if the volume increases to 20.0 l what is its new pressure? assume that the temperature remains constant.
Answers
We can use the ideal gas law, PV = nRT, to determine the new pressure of the gas when its volume increases. The ideal gas law relates the pressure, volume, and temperature of a gas to the number of moles (n) of gas and the gas constant (R).
First, we'll convert the temperature to kelvins:
\(T (K) = 24°C + 273 = 297 K\)
Next, we'll use the original pressure and volume to determine the number of moles of gas (n):
PV = nRT
n = PV / RT
n = (100 kPa * 5.0 L) / (8.31 J/mol K * 297 K) = 0.17 mol
Finally, we'll use the new volume, the number of moles of gas, and the temperature to determine the new pressure:
PV = nRT
P = (nRT) / V
P = (0.17 mol * 8.31 J/mol K * 297 K) / (20.0 L) = 46.5 kPa
So the new pressure of the gas is 46.5 kPa, when its volume increases from 5.0 L to 20.0 L while the temperature remains constant at 24°C.
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Developing Mastery
Which state of matter has the most kinetic energy?
Liquid
Gas
Solid
Answers
Krypton has an atomic number of 36 and a mass number of 84. Which statement describes a neutral
atom of krypton? (1 point)
O
It has the same number of protons as neutrons, but it has a greater number of
electrons.
It has the same number of protons as electrons, but it has a lesser number of
neutrons.
It has the same number of protons as electrons, but it has a greater number of
neutrons.
O
It has the same number of protons as neutrons, but it has a lesser number of
electrons.
Answers
Answer:
It has the same number of protons as electrons, but it has a greater number of
neutrons.
Explanation:
Atomic mass= number of proton + no. of neutron
If the number of proton is 36 and mass is 84, let's find it;
Atomic mass= number of proton + no. of neutron
84=36+no. of neutron
84-36= no. of neutron
48= no. of neutron
we can see, that no. of neutron is greater than no. of proton
the process of converting sensory data into electrical and chemical signals is called
Answers
Answer:
Sensory transductionThe main function of sensory transduction is the conversion of sensory signals to chemical signals in the nervous system. Sensory transduction occurs in the sensory receptors. In sensory transduction, the sensory neurons play an important role.
Explanation:
if it helped uh please mark me a brainliest :))A forest ecosystem starts with both Sonoran toads and Wood frogs. What would you expect to happen if the ecosystem becomes more arid (dry) over time?
*important information*
-Sonoran toads have dry skin and don't need much water.
-Wood frogs need to swim to keep their skin wet.
Answers
Answer:
i think that sonoran toads would prosper and wood frogs would disappear
Explanation:
because of the provided information
Question
2 Points
Describe the path of a light ray that hits a mirror at its vertex.
A. It is reflected back through the focus.
B. It is absorbed by the mirror.
C. It is reflected out at exactly the same angle at which it came in,
according to the Law of Reflection.
D. It is reflected back parallel to the principal axis.
SUBMI
Hurry
Answers
Answer:D
Explanation:
Answer:
D
Explanation:
What are the series of steps that form oxygen atoms?
Answers
Answer:
2.5.2 Atomistic Configurations of Oxygen in Silicon Crystals
Oxygen atoms are incorporated in the silicon lattice on an interstitial position (denoted by Oi), where the oxygen atom sits in an almost bond-centered position between two adjacent Si atoms [101]. Several of the local vibration modes are infrared (IR) active. The predominant IR line at 1104/cm (at room temperature) was calibrated with respect to other analytical methods, such as gas fusion and several radioactive techniques, and is used as the standard method for the quantitative determination of the oxygen content in as-grown silicon crystals (as-grown silicon usually contains only a negligible amount of precipitated oxygen).
Which of these proteins are involved in the detoxification of reactive oxygen species generated within cells? Oa Glucuronyl transferase enzyme Ob Catalase enzyme Oc. All of the above Od Metallothionein
Answers
Catalase enzyme (Option b) is involved in the detoxification of reactive oxygen species generated within cells. Reactive oxygen species (ROS) are highly reactive molecules that can cause oxidative damage to cellular components.
Catalase is an enzyme that plays a crucial role in cellular defense against ROS. It catalyzes the breakdown of hydrogen peroxide (H2O2) into water (H2O) and molecular oxygen (O2), thus effectively detoxifying the harmful H2O2. By removing excess H2O2, catalase helps prevent oxidative stress and protects cells from oxidative damage.
Glucuronyl transferase enzyme (Option a) is involved in the conjugation of certain substances to glucuronic acid, aiding in their elimination from the body. While this process contributes to detoxification, it is not directly related to the detoxification of reactive oxygen species.
Metallothionein (Option d) is a protein that binds and regulates the intracellular levels of certain metal ions, such as zinc and copper. While it has a role in cellular detoxification, particularly with heavy metal detoxification, it is not directly involved in the detoxification of reactive oxygen species.
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What is the pOH of water?
Answers
Answer:
A. 7
(assuming the water is neutral)
where is the magnitude of force of magnetism the greatest
Answers
Answer:
The strength of the field varies depending on its location around the magnet. The magnetic field of a bar magnet is strongest at either pole of the magnet. It is equally strong at the north pole when compared with the south pole.
Explanation:
1) What type of molecule is water and why? Show its lewis structure, shape, and
explain what type of compound it is in terms of bond type and symmetry.
2) Which part of the water molecules will attract to the negatively shared balloon
and why? Show how the water molecule aligns itself to the negative part of the
balloon.
(PLeASE HeLP)
Answers
Answer:
I DO NOT UNDERSTAND THE QUESTION, BUT THANKS FOR THE COINS/TOKENS!
Explanation:
an object has a mass of 0.255 kg and a density of 2.89 g/cm³. what is the volume of the object in cm³?
Answers
The volume of an object that has a mass of 0.255 kg and a density of 2.89 g/cm³ is approximately 88.24 cm³.
To find the volume of an object with a mass of 0.255 kg and a density of 2.89 g/cm³, you can follow these steps:
1. Convert the mass from kg to grams: 0.255 kg * 1000 g/kg = 255 g
2. Use the formula for density: Density = Mass/Volume
3. Rearrange the formula to find the volume: Volume = Mass/Density
4. Substitute the given values: Volume = 255 g / 2.89 g/cm³
Your answer: The volume of the object is approximately 88.24 cm³.
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Calculate the percent yield if a student produces 3.3 grams of a substance from a reaction when they shouldve produced 5,5 grams based on their calculations
Answers
Answer:
I think it is 10.08
Explanation:
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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2 moles of NO, was placed in an empty I dm' bottle and allowed to reach equilibrium according to the equation:
At equilibrium, 1.2 moles of N,O, dissociated. Calculate the value of the equilibrium constant for the reaction at that
temperature.
Answers
2NO(g) ⇌ N2(g) + O2(g)
According to the problem statement, 2 moles of NO were placed in a 1 dm^3 bottle and allowed to reach equilibrium, and at equilibrium, 1.2 moles of NO had dissociated. This means that the initial concentration of NO was:
[NO]initial = 2 mol / 1 dm^3 = 2 M
And the concentration of NO at equilibrium is:
[NO]equilibrium = (2 - 1.2) mol / 1 dm^3 = 0.8 M
Since the stoichiometry of the balanced equation is 2:1:1 for NO, N2, and O2, respectively, the equilibrium concentrations of N2 and O2 will also be 0.6 M.
The equilibrium constant (Kc) can be calculated using the equilibrium concentrations of the reactants and products, raised to the power of their stoichiometric coefficients. Therefore:
Kc = ([N2][O2]) / ([NO]^2)
Substituting the equilibrium concentrations into the equation, we get:
Kc = (0.6 M x 0.6 M) / (0.8 M x 0.8 M)
Kc = 0.5625
Therefore, the value of the equilibrium constant for the reaction at that temperature is 0.5625. Note that the units of Kc depend on the stoichiometry of the balanced equation. Since the stoichiometric coefficients are all 1, the units of Kc in this case are M^-1
The temperature of a sample of water increases from 20°C to 46.6°C as it absorbs 23,639.6 J of heat. What is the mass of the sample?
Answers
Answer: 213 g
Explanation:
chemical reactions generally reach equilibrium because one of the reactants is used up.T/F
Answers
False. Chemical reactions reach equilibrium when the rates of the forward and reverse reactions become equal. This means that the amount of reactants and products present in the system remain constant over time.
While it is true that some reactions may appear to have reached equilibrium because one of the reactants is used up, this is not always the case. In some cases, the reaction may continue to occur, but at a slower rate, until equilibrium is reached. Additionally, some reactions may involve multiple reactants or products, making it more complex to determine if one reactant being used up is the sole reason for equilibrium being reached.
False. Chemical reactions generally reach equilibrium not because one of the reactants is used up, but because the rates of the forward and reverse reactions become equal. At equilibrium, the concentrations of reactants and products remain constant, but they do not necessarily become zero. The reaction continues to occur in both directions, but the net effect is zero, as the formation of products and consumption of reactants occur at the same rate. Equilibrium is a dynamic state that reflects the balance between the forward and reverse reactions.
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Questlon 7 of 10
Which object will require the greatest amount of force to change its motion?
O A. A 72 kg object moving 25 m/s
O B. A 55 kg object moving 32 m/s
OC. A 75 kg object moving 22 m/s
O D. A 63 kg object moving 27 m/s
Answers
A 72 kg object moving 25 m/s will require the greatest amount of force
Further explanationGiven
mass of object and the velocity
Required
the greatest amount of force
Solution
Newton's 2nd law :
∑F = m. a
F = force, N
m = mass = kg
a = acceleration due to gravity, m / s²
Assuming the object is moving from rest (vo = 0) and the time needed to reach its velocity is the same (delta t = equal), it can be formulated:
\(\tt \Sum F=m.\dfrac{v_f-v_i}{\Delta t}\\\\F=m.\dfrac{v_f}{\Delta t}\)
So the force on an object depends on the product of its mass and velocity
Or if we use the impulse and momentum formula
\(\tt F.\Delta t=m(v_f-v_i)\\\\F,\approx m.v_f\)
So that we determine which is the greatest from the multiplication of mass and velocity will produce the greatest force as well
A 72 x 25 = 1800
B. 55 x 32 =1760
C. 75 x 22 = 1650
D.63 x 27 = 1701
Option A has the greatest force
why there is presence of double or triple bond between carbon?
Answers
Answer:
Alkynes
Explanation:
Alkynes are hydrocarbons which contain carbon-carbon triple bonds. Their general formula is CnH2n-2 for molecules with one triple bond (and no rings). Alkynes undergo many of the same reactions as alkenes, but can react twice because of the presence of the two p-bonds in the triple bond.
you are told that the slower the crystals form, the more pure they are likely to be. why is this?
Answers
When crystals form slowly, they have more time to arrange themselves in an organized and uniform structure. As a result, impurities are more likely to be excluded from the crystal lattice, leading to a higher purity. In contrast, if crystals form quickly, there is not enough time for the impurities to be fully excluded, resulting in a less pure crystal. Therefore, the slower the crystals form, the more time they have to create a regular lattice structure and exclude impurities, leading to a higher level of purity.
Hi! When crystals form slowly, they are more likely to be pure because the slow crystallization process allows for more orderly and precise arrangement of atoms and molecules. This results in fewer impurities being trapped within the crystal structure, leading to higher purity.
When crystals form, they come together in a regular, repeating pattern, creating a solid structure. The speed at which this process occurs is dependent on various factors, including temperature, concentration, and the properties of the solute and solvent involved.
When crystals form slowly, they have more time to arrange themselves in the most stable and energetically favorable configuration possible. This means that the resulting crystal structure is more ordered and less likely to contain impurities or defects.
On the other hand, if crystals form quickly, they may not have enough time to fully establish this optimal configuration, leading to a less pure final product. Additionally, rapid crystallization can create stress within the crystal structure, causing defects such as dislocations or twinning, which can further compromise its purity.
Overall, the rate at which crystals form plays a crucial role in determining their purity. Slow crystallization allows for a more perfect alignment of atoms or molecules, resulting in a more perfect crystal lattice and a more pure final product.
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a scientist mixes 0.02 g of a strong base in 83 ml of water and obtains a ph of 12. he then realizes that he forgot to label the container and forgot what base he added. what is the most likely the identity of this base?LiOH
NaOH
RbOH
KOH
Answers
Option (A) is correct. LiOH is the most likely strong base added to the container containing a mixture of 0.02g g and 30ml of water.
A base is said to be a strong base if that can remove a proton (H+) from a molecule of even a very weak acid such as water in an acid–base reaction. Some examples of strong bases are hydroxides of alkali metals and alkaline earth metals like sodium hydroxide and Ca(OH). A strong base is defined as a base that is completely dissociated in an aqueous solution. The strong bases ionizes in water to yield one or more hydroxide ion (OH-) per molecule of base. Basically strong base is a compound that has an ability to remove a proton from a very weak acid. It can completely dissociate into its ions when in water.
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Complete question is,
A scientist mixes 0.02 g of a strong base in 83 ml of water and obtains a pH of 12. he then realizes that he forgot to label the container and forgot what base he added. what is the most likely the identity of this base?
A. LiOH
B. NaOH
C. RbOH
D. KOH
During her presentation, Zahara was asked several questions from the audience and to provide the molecular formula for molecules that the audience had questions about. Show Zahara how to name Type 2 ionic compounds.AuCl3
Answers
The compound is formed by 1 atom of gold and 3 atoms of chlorine.
In this case, the gold atom must have a charge of +3 in order to have a compound with a net charge of zero because the molecule Cl3 has a charge of -3. This is why the name of the compound is Gold(III) Chloride.
identify the empirical formula. please choose the correct answer from the following choices, and then select the submit answer button. answer choices A. b2cl2B. b4h10C. na2po4D. al2cl6
Answers
The empirical formula represents the simplest whole number ratio of atoms in a compound. To identify the empirical formula, we need information about the composition of the compound in terms of the elements present. Among the given answer choices, the correct empirical formula is B. b4h10, representing the compound boron tetraboride.
To determine the empirical formula, we consider the ratios of the different elements present in the compound. Let's evaluate the answer choices:
A. b2cl2: This represents a compound with boron (B) and chlorine (Cl). The ratio of boron to chlorine is 2:2, simplifying to 1:1. The empirical formula for this compound would be BCl.
B. b4h10: This compound consists of boron (B) and hydrogen (H). The ratio of boron to hydrogen is 4:10, which simplifies to 2:5. Thus, the empirical formula for this compound is B2H5.
C. na2po4: This compound includes sodium (Na), phosphorus (P), and oxygen (O). The ratio of sodium to phosphorus to oxygen is 2:1:4, which is already in its simplest form. Therefore, the empirical formula for this compound is Na2PO4.
D. al2cl6: This compound contains aluminum (Al) and chlorine (Cl). The ratio of aluminum to chlorine is 2:6, which simplifies to 1:3. Hence, the empirical formula for this compound is AlCl3.
Among the given answer choices, the compound with the empirical formula B2H5 is the correct option.
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a solution of licl in water has xlicl = 0.0500. what is the molality?
Answers
Molality (m) is defined as the number of moles of solute per kilogram of solvent. In this case, the solute is LiCl and the solvent is water. We know that the mole fraction of LiCl in the solution (xLiCl) is 0.0500.
To calculate the molality, we first need to find the mass of water present in the solution. Let's assume we have 1 kg of water. The mole fraction of water in the solution can be calculated as (1 - xLiCl) = 0.9500.
Now we can calculate the moles of LiCl present in the solution as follows:
moles of LiCl = xLiCl * moles of total solution
moles of LiCl = 0.0500 * 1000 g / (22.41 g/mol + 35.45 g/mol)
moles of LiCl = 5.61
Finally, we can calculate the molality as:
molality = moles of LiCl / mass of water in kg
molality = 5.61 / 1
molality = 5.61 mol/kg
Therefore, the molality of the LiCl solution is 5.61 mol/kg.
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