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3 years ago

Match each term with its definition. 1) reaction coordinate

1 answer:

3 0

1) reaction coordinate is : b.the plot of the reaction progress as a function of time
2) ΔG⁰ : c.the free energy of the reaction
3) ΔG⁺+ : a.the higher point on the energy curve

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3. A magnet attracts a piece of metal. How is this event like a chemical bond?

damaskus [11]

Answer: the answer is b

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2 years ago

n acid with a pKa of 8.0 is present in a solution with a pH of 6.0. What is the ratio of the protonated to the deprotonated form

Nady [450]

Answer : The ratio of the protonated to the deprotonated form of the acid is, 100

Explanation : Given,

$pK_a=8.0$

pH = 6.0

To calculate the ratio of the protonated to the deprotonated form of the acid we are using Henderson Hesselbach equation :

$pH=pK_a+\log \frac{[Salt]}{[Acid]}$

$pH=pK_a+\log \frac{[Deprotonated]}{[Protonated]}$

Now put all the given values in this expression, we get:

$6.0=8.0+\log \frac{[Deprotonated]}{[Protonated]}$

$\frac{[Deprotonated]}{[Protonated]}=0.01$

As per question, the ratio of the protonated to the deprotonated form of the acid will be:

$\frac{[Protonated]}{[Deprotonated]}=100$

Therefore, the ratio of the protonated to the deprotonated form of the acid is, 100

5 0

3 years ago

What fact shows that baking a chocolate chip cookie is a chemical reaction?

Setler79 [48]

Answer:C The final product cannot be converted back to the original ingredients.

7 0

3 years ago

Read 2 more answers

3. How many atoms of hydrogen do 3.575 mol of hydrogen sulfide contain?

Ksju [112]

Answer:

4.3043x10^24

Explanation:

Atoms(H) = (3.575 mol H2S/1)(2 mol H/1mol H2S)(6.02x10^23/1molH)

Simple stoicheometry problem. Sorry for taking so long, took Chem sophomore year, its been a while

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3 years ago

Vapor pressure of a liquid increases with increasing temperature because increasing the temperature _______________.

baherus [9]

Vapor pressure of a liquid increases with increasing temperature because increasing the temperature results in increasing kinetic energy and increase in molecular transition and motion.

What is Vapor Pressure?

The pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases (solid or liquid) at a specific temperature in a closed system is referred to as vapor pressure.
A liquid's evaporation rate can be determined by looking at the equilibrium vapor pressure. It has to do with how often particles tend to float away from liquids (or a solid).
Volatile is a term used to describe a chemical that has a high vapor pressure at room temperature. Vapor pressure is the force that vapor exerts when it is present above a liquid surface.
A liquid's molecules have an increasing kinetic energy as its temperature rises. The more molecules that convert into a vapor as a result of an increase in molecular kinetic energy, the higher the vapor pressure will be.

Know more about vapor pressure brainly.com/question/14617982

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1 year ago