1.if I drove 40 miles west in 2 hours what is my velocity
2.find the time it takes for a bird that travels 15 miles per hour for 3 hours ​

Energy is released and ATP is changed into adenosine diphosphate when one phosphate group is eliminated by dissolving a phosphoanhydride bond during a procedure known as hydrolysis (ADP).

Phosphorus can supply energy for cell activities when it is moved from ATP (adenosine triphosphate). It's not unexpected to allude to ATP as the "sub-atomic cash" of energy trade in cells, and the exchange of an ATP phosphate gathering to another particle can deliver energy that can be used to drive metabolic exercises or different cycles.

The association between two of the phosphates in ATP is broken in a cycle known as hydrolysis, which discharges energy and changes the particle of ATP into ADP (adenosine diphosphate).

The energy produced by this response can thusly be utilized by cell cycles to drive various organic tasks.

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Answer:

closely related

Explanation:

Emerging scientific ideas are new theories or ideas that are gaining attention in the scientific community, but have not yet been fully accepted or confirmed.

Emerging ideas refer to the new and innovative ideas or theories that have yet to gain full scientific acceptance. While a scientific consensus is a view or theory that has been universally accepted and confirmed by multiple experiments or research, an emerging scientific idea is a new and unproven theory or idea that is gaining attention in the scientific community. These emerging ideas may also be referred to as scientific hypotheses. In contrast to scientific consensus, emerging scientific ideas have not yet been subjected to rigorous testing and confirmation.

They are generally proposed to explain new observations or experimental results, which have not yet been fully understood or explained by established scientific theories. Emerging scientific ideas can have the potential to challenge the current scientific consensus. If an emerging scientific idea is found to be valid, it can ultimately lead to the establishment of a new scientific consensus. For example, the emerging scientific idea of the Higgs boson particle led to the discovery of a new field in particle physics, which is now an established scientific consensus.

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The cost of 1 ton of chlorine is $212.88 and the cost of 1 ton of ammonia is $266.93.

Since cost is typically given in terms of moles, we must first calculate the number of moles of each chemical in one ton. To do this, we must know the molecular mass of each chemical. The molecular mass of chlorine is 70.906 g/mol and the molecular mass of ammonia is 17.030 g/mol. Thus, one ton of chlorine (1,000,000 g) contains 14,158.7 moles and one ton of ammonia (1,000,000 g) contains 58,822.2 moles. To calculate the cost per ton, we multiply the cost per mole by the number of moles in one ton. Thus, the cost of 1 ton of chlorine is $212.88 and the cost of 1 ton of ammonia is $266.93.

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Answer:

its D, convection cells

1. The equation is not balanced. The balanced equation is \(4NH_3 + 5O_2 --- > 4NO +6 H_2O\)

2. The equation is balanced.

3. The equation is not balanced. The balanced version is \(2H_2O --- > 2H_2 + O_2\)

A balanced chemical equation usually has the same number of atoms of different elements in the reactants and the products, even though the forms of the atoms might have changed.

Consider the first equation: \(NH_3 + O_2 --- > NO + H_2O\)

The number of hydrogen atoms is not balanced. Thus, the equation that shows balanced atoms of different elements would be: \(4NH_3 + 5O_2 --- > 4NO +6 H_2O\)

Consider the second equation: \(N_2 + 3H_2 -- > 2NH_3\)

There are 2 atoms of nitrogen in the reactants and there are also 2 in the product. The number of hydrogen atoms is 6 in the reactants and 6 in the products. Thus, it is a balanced equation.

Consider the third equation: \(2H_2O --- > H_2 + O_2\)

There are 4 hydrogen atoms in the reactant and only 2 in the products. The balanced equation would be: \(2H_2O --- > 2H_2 + O_2\)

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The conductivity of metalloids can be compared to the conductivity of metals and nonmetals because metalloids conduct electricity better than nonmetals, but not as well as metals (Option C).

The expression metalloids is a term used to denote chemical elements that have features resembling metals such as an acceptable electrical conductivity, but they are not metals (e.g. boron, germanium, antimony, arsenic, polonium, etc).

Therefore, with this data, we can see that metalloids are similar to metals in electrical conductivity but they are not metals because they do not fit all properties of metals.

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All these terms describe a mind map detailed graphic , colorful , unordered and creative

The terms that describes a mind map are detailed , as lots of detailing is done using connection symbols

Graphic , they are graphical representation of an information

Colourful , They are colourful as to make it more visually interesting .

Unordered , They information might not be in sequence and so can be called unordered also

Creative , Yes it is creative as it brings out the artist inside you and you think more ideas to make it look more beautiful and understandable .

So All these terms describe a mind map detailed graphic , colorful , unordered and creative.

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Answer:

2.8 moles

Explanation:

The number of water needed to react with 8.4 moles of NO₂ is equal to 4.2 moles.

A mole can be defined as a scientific unit that is used to determine a large number of atoms, molecules, and ions. The mass of 1 mole of any chemical element is atomic mass and that of any chemical compound is molar mass.

The number of particles in one mole is equal to 6.023 × 10 ²³ which is known as Avogadro’s constant.

The balanced chemical equation of water and nitrogen dioxide NO₂ is:

\(H_2O + 2NO_2\longrightarrow HNO_3 +HNO_2\)

From the equation, we can say that two moles of nitrogen dioxide (NO₂) react with one mole of water.

8.4 moles of nitrogen dioxide react with water = 8/4/2 = 4.2 mol

Therefore, 4.2 moles of water are needed to react with 8.4 moles of nitrogen dioxide NO₂.

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The ability of an atom in a covalent bond to attract the shared electrons to itself is best quantified by its electronegativity.

Electronegativity is the measure of the tendency of an atom to attract shared electrons in a covalent bond towards itself. It is a property of individual atoms, and it increases across a period and decreases down a group in the periodic table.

The electronegativity difference between two atoms in a covalent bond can indicate the polarity of the bond, with larger differences indicating more polar bonds. The electronegativity scale was proposed by Linus Pauling, and the most commonly used scale is the Pauling scale.

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Answer:

i.e. mass of 1 mole of glucose, C6H12O6 = (6 × 12.01 + 12 × 1.01 + 6 × 16.00) g = 180.18 g (using atomic weight data to 2 decimals) 1 mole of carbon atoms weighs 12.01 g and there are 6 moles of C atoms in 1 mole of glucose, so the mass of carbon in 1 mole of glucose = 6 × 12.01 g = 72.06 g.

The volume of the gas sample will be 1.79 L.

A liquid, solid, or gas's volume represents the amount of three-dimensional space it occupies. Although there are many additional units that can be used to indicate volume, the most used ones are liters, cubic meters, gallons, milliliters, teaspoons, as well as ounces.

Given data :

Mass of \(O_{2}\) = 1.20 g

Mass of \(N_{2}\) = 1.43 g

Number of moles can be calculated by suing the formula:

Number of moles of \(O_{2}\) = Mass / molar mass = 1.20 / 32 = 0.03 mol

Number of moles of \(N_{2}\) =  Mass / molar mass  = 1.43 / 28 = 0.05 mol

So, the total count of moles can be calculated by :

Total moles = moles of \(O_{2}\)  +  moles of \(N_{2}\)

Total moles = 0.03  + 0.05 = 0.08 mol

The volume of the gas at STP can be calculated as:

Volume = 0.08 mol × 22.4 mol/L

Volume = 1.79 L

Therefore, the volume of the gas sample will be 1.79 L.

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The incorrect statement regarding the reaction between aqueous solutions of aluminum nitrate, Al(NO3)3, and ammonium carbonate, (NH4)2CO3, which form a precipitate of aluminum carbonate, Al2(CO3)3 is If 0.5 mole of (NH4)2CO3 react with sufficient Al(NO3)3, 3 moles of Al2(CO3)3 will be formed. Option C.

A chemical equation is a description of the chemical reaction that takes place. It contains the formulae of the reactants and products separated by an arrow. The arrow indicates the direction of the reaction. The stoichiometric coefficients in the equation represent the number of moles of each substance involved in the reaction.

Stoichiometry is a branch of chemistry that deals with the quantitative relationships between reactants and products in a chemical reaction. It's important to keep in mind that the law of conservation of mass applies to chemical reactions. This means that the number of atoms of each element present in the reactants must equal the number of atoms of that element present in the products. Thus, stoichiometry plays a significant role in determining how much product is formed from a given amount of reactant and vice versa. Option C.

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Answer:

8 & 13

Explanation:

The end-products of glycolysis include Pyruvate, NADH, and ATP. Therefore, option C is the correct answer.

Glycolysis is the metabolic pathway that occurs in the cytoplasm of the cell, which plays a vital role in the energy production process. It is also known as the Embden-Meyerhof pathway, and it takes place in the absence of oxygen during cellular respiration.Glycolysis involves the breakdown of glucose into two three-carbon molecules called pyruvate. During the process, a net amount of two molecules of ATP, two molecules of NADH, and two molecules of pyruvate are produced.

The pyruvate is then transported to the mitochondria, where it is further broken down to generate more ATP molecules.

The overall reaction of Glycolysis is:

\(Glucose + 2 NAD^+ + 2 ADP + 2 Pi ⇒2 pyruvate + 2 ATP + 2 NADH + 2 H^+ + 2 H_2O\)

Therefore, The end-products of Glycolysis include: Two molecules of Pyruvate. Two molecules of ATP (Adenosine Triphosphate) are produced. NADH (Nicotinamide Adenine Dinucleotide), which is a high-energy electron carrier, is also produced in glycolysis. hence c option is correct .

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Taking into account the reaction stoichiometry, a mass of 7.57 grams of MgBr₂ is formed when one grams of magnesium reacts with 5 g of bromine.

In first place, the balanced reaction is:

Mg  + Br₂ → MgBr₂

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

The molar mass of the compounds is:

Then, by reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

The limiting reagent is one that is consumed first in its entirety, determining the amount of product in the reaction. When the limiting reagent is finished, the chemical reaction will stop.

To determine the limiting reagent, it is possible to use a simple rule of three as follows: if by stoichiometry 24.31 grams of Mg reacts with 159.8 grams of Br₂, 1 grams of Mg reacts with how much mass of Br₂?

mass of Br₂= (1 grams of Mg× 159.8 grams of Br₂) ÷24.31 grams of Mg

mass of Br₂= 6.57 grams

But 6.57 grams of Br₂ are not available, 5 grams are available. Since you have less mass than you need to react with 1 grams of Mg, Br₂ will be the limiting reagent.

Considering the limiting reagent, the following rule of three can be applied: if by reaction stoichiometry 24.31 grams of Mg form 184.11 grams of MgBr₂, 1 grams of Mg form how much mass of MgBr₂?

mass of MgBr₂= (1 grams of Mg× 184.11 grams of MgBr₂)÷ 24.31 grams of Mg

mass of MgBr₂= 7.57 grams

Then, a mass of 7.57 grams of MgBr₂ can be produced.

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Option E is Answer. The pH value of the buffer is 9.08

The pH of a solution: It is a measure of hydrogen ion concentration, which in turn is a measure of its own acidity. Pure water dissociates slightly into equal concentrations of hydrogen and hydroxyl (OH−) ions.

The pH is then calculated using the expression:

pH = - log [OH-].-------------(1)

the pH of acidic buffer =pka+log[ acid/salt]

the pH of basic buffer =pkb+log[ base/salt]

Given that Kb=1.8x10^-5

                 base=0.27M

                 salt=0.18M

first, we have to calculate the value of kb,

pkb=−log[1.8×10 ^−5]

pkb=4.74

The pH of buffer=pkb+log[base/salt]-------------(2)

We find out the value of kb and now substitute it in equation(2)

pOH=4.74+log[ 0.27/0.18]

​=4.74−0.176=4.92

pH=14−4.92=9.08

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Low molecular weight amines and alcohols are water-soluble because they can form hydrogen bonds with water molecules, which allows them to dissolve in water.

Amines and alcohols contain polar functional groups such as -NH2 and -OH, respectively, that can form hydrogen bonds with water molecules. These hydrogen bonds allow the molecules to dissolve in water and become water-soluble. However, when the amine or alcohol is in its free base form, it lacks a polar functional group and is typically nonpolar. Nonpolar molecules do not form hydrogen bonds with water and are not water-soluble. As a result, the free base form of these compounds is typically not water-soluble.

Free bases, on the other hand, are generally nonpolar and do not form hydrogen bonds with water. Their lack of polar functional groups and inability to form hydrogen bonds with water make them less soluble in water compared to low molecular weight amines and alcohols.

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Answer:

First one

Explanation:

Because water molecules at the surface of the water puddle attract more to one other than they do to the air molecules above them

Answer:

Question 2:

Cohesion and adhesion

Water has forces of attraction between different molecules, so its molecules are locomotive.

Question 3:

Surface tension

It experiences a perpendicular force which keeps the area of the pepper on surface

\({}\)

Answer:

pH = 7

Explanation:

pH is defined as -log [H⁺]. In a solution of pH 5:

pH = -log [H⁺]

10^(-5) = [H⁺]

1x10⁻⁵M = [H⁺].

Then, this solution is diluted from 10mL to 1000mL (990mL of water + 10mL of the original solution). That means the solution is diluted:

1000mL / 10mL / 100 times.

If [H⁺] before dilution was 1x10⁻⁵M, after dilution will be:

1x10⁻⁵M / 100 = 1x10⁻⁷M

And pH:

pH = -log [H⁺]

pH = -log 1x10⁻⁷M

Looking at the absorption Spectra of cranberry juice and apple juice the color and part of the visible spectrum that are absorbed as well as how the colors that are not absorbed contributed to the the colors of the cranberry juice and apple juice are;

When the light actually hits on a surface,it is only a part of it that is reflected to the eyes whereas the rest of the spectrum is then absorbed by the object.

However,if the red wavelength is reflected,you will see the red color,but if all the spectrums are absorbed,you will see the black color,if then all the spectrums is reflected,you will see the white color.

When the light hits the surface, just a part will be reflected in the eyes of the person.

From the complete information, when an individual looks at the absorption spectra of cranberry juice and apple juice, just a part will be seen.

When the light hits the surface, there'll be a reflection in the eyes of the person as just a part will be reflected. The rest of the spectrum will be absorbed by the object.

Also, if the red wavelength is reflected, then one will see the red color. When all the spectrum is absorbed, one will see the black color. Lastly, when all the spectrum is reflected, one will see the white color.

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Magnesium phosphite is a white or off-white crystalline compound with a chemical formula of Mg3(PO3)2. It is a strong reducing agent and reacts violently with water, producing toxic fumes of phosphorus oxides. It is commonly used in the manufacture of fertilizers, insecticides, and herbicides.

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Answer:The law of conservation of matter says that matter cannot be created or destroyed. In chemical equations, the number of atoms of each element in the reactants must be the same as the number of atoms of each element in the products. ... There are two oxygen atoms in the reactants and two atoms of oxygen in the product.

Explanation:

A calibration curve is a regression model that uses the instrument's reaction to known standards to forecast the unknown concentrations of interest-related analytes.

How do you calculate calibration curve?

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Skeletal muscle was the Effector in the reaction time test and motor response reflects the muscular component of reaction time.

The Effector in the reaction time test was the skeletal muscle in the finger which is used to press the button. muscle and glands produces a specific response to a stimuli's and the motor response was reaction time test is the time between electromyographic activity and movement and the motor response is the response which reflects the skeletal muscle component of reaction time.

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Approximately 1.91 grams of silver nitrate must be added to precipitate all of the phosphate ions in 45.0 mL of 0.250 M sodium phosphate solution.

To precipitate all of the phosphate ions in 45.0 mL of 0.250 M sodium phosphate solution, the mass of silver nitrate needed can be calculated using stoichiometry and the balanced chemical equation for the reaction between silver nitrate (AgNO₃) and sodium phosphate (Na₃PO₄).

The balanced equation for the reaction is:

3AgNO₃ + Na₃PO₄ -> Ag₃PO₄ + 3NaNO₃

From the equation, it can be seen that one mole of silver nitrate reacts with one mole of sodium phosphate to form one mole of silver phosphate.

First, calculate the number of moles of sodium phosphate in the given volume:

Moles of Na₃PO₄ = Volume (in liters) x Concentration (in M)

= 0.045 L x 0.250 mol/L

= 0.01125 mol

Since the stoichiometry of the reaction is 1:1 between silver nitrate and sodium phosphate, the number of moles of silver nitrate required is also 0.01125 mol.

Finally, calculate the mass of silver nitrate using its molar mass:

Mass = Moles x Molar mass

= 0.01125 mol x 169.87 g/mol (molar mass of AgNO₃)

= 1.91 g (rounded to two decimal places)

Hence, approximately 1.91 grams of silver nitrate must be added to precipitate all of the phosphate ions in the 45.0 mL of 0.250 M sodium phosphate solution.

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Answer: C: Texture change is not a clue that a chemical reaction is taking place.

Explanation: During a chemical reaction, the atoms in the reactants rearrange to form new products. This process can result in the formation of a solid, a change in color, or the formation of a new substance. However, the texture of the substances involved in the reaction may or may not change, and it is not a reliable indicator of a chemical reaction.

Therefore, the correct answer is C.