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NNADVOKAT [17]
2 years ago
5

What information does the rate constant give from the rate law? A. It tells how much the rate of the reaction is affected by vol

ume. B. It tells how much the rate of the reaction is affected by temperature. C. It tells how much the reaction rate is affected by activation energy. D. It tells how much the reaction rate is affected by concentrations. SUBMIT
Chemistry
1 answer:
Levart [38]2 years ago
7 0

From the rate law, the information that is given by the rate constant is: C. It tells how much the reaction rate is affected by activation energy.

<h3>What is the rate law?</h3>

Rate law is also referred to as rate equation and it can be defined as a chemical equation that is typically used to relate the initial (forward) chemical reaction rate with respect to the concentrations or pressures of the chemical reactants and constant parameters.

Mathematically, the rate law is given by this formula:

R = k[A]^x[B]^y

<u>Where:</u>

  • k is the rate constant.
  • A is the concentration of reactant A.
  • B is the concentration of reactant B.

In Chemistry, the rate constant is typically used to tell the reaction rate or rate of a chemical reaction that is affected by activation energy.

Read more on rate constant here: brainly.com/question/24749252

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zloy xaker [14]
(c) the color turns deep dark and then at certain level, it turns back to light green.
  (d)fastest.
3 0
3 years ago
Heavy elements, like uranium, were/are created _______________. a. in supernovae and star collisions b. all of the above c. in t
Ivenika [448]

Answer:

a. in supernovae and star collisions

Explanation:

The periodical table contains some heavier elements, which are formed as neutron stars pairs hit eachother and erupt cataclysmically.

The star emitts very large quantities of energy and neutrons during supernova, which allow for the production of heavier elements than iron, such as uranium and gold. All these elements are ejected into space during the supernova explosion.

3 0
3 years ago
If an object is accelerating at a rate of 25 m/s2, how long (in seconds) will it take to reach a speed of 550 m/s? (Assume an in
V125BC [204]

Answer:

22s

Explanation:

Given parameters:

Acceleration  = 25m/s²

Final velocity = 550m/s

Initial velocity  = 0m/s

Unknown:

Time taken  = ?

Solution:

To solve this problem, we are going to use one of the motion equations:

                 v  = u + at

v is the final velocity

u is the initial velocity

a is the acceleration

t is the time taken

                  550 = 0 + 25 x t

                  550  = 25t

                    t  = 22s

8 0
3 years ago
Which of the following statements is FALSE? Which of the following statements is FALSE?
KATRIN_1 [288]

Answer: option A) Mixtures may be composed of two or more elements, two or more compounds, or a combination of both.

Explanation:

A mixture is a combination of two or more substances mixed together and can be separated by physical methods.

A combination of two elements or compounds will yield chemical compounds NOT a mixture.

Thus, option A is false statement

3 0
3 years ago
Heptane and water do not mix, and heptane has a lower density (0.684 g/mL) than water (1.00 g/mL). A 100-mL graduated cylinder w
kicyunya [14]

Answer:

h=100.8cm

Explanation:

Hello,

In this case, considering the density and mass of both water and heptane we first compute the volume of each one:

V_{water}=\frac{m_{water}}{\rho _{water}}=\frac{34g}{1.00g/mL}=34mL\\  \\V_{heptane}=\frac{m_{heptane}}{\rho _{heptane}}=\frac{34.6g}{0.684g/mL}=50.6mL\\

Now, the total volume is:

V=50.6mL+34mL=84.6mL

Which is equal to:

V=84.6cm^3

Then, by knowing that the volume of a cylinder is πr²h or π(D/2)²h, we solve for the height as follows:

h=\frac{V}{\pi (D/2)^2} \\\\h=\frac{84.6cm^3}{\pi (3.16cm/2)^2} \\\\h=100.8cm

Best regards.

3 0
3 years ago
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