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For the reaction$$\mathrm{NO}(g)+\mathrm{O}_{3}(g) \longrightarrow \mathrm{NO}_{2}(g)+\mathrm{O}_{2}(g)$$the frequency factor $A$ is $8.7 \times 10^{12} \mathrm{s}^{-1}$ and the activation energy is $63 \mathrm{kJ} / \mathrm{mol} .$ What is the rate constant for the reaction at $75^{\circ} \mathrm{C} ?$

$$3.0 \times 10^{3} \mathrm{s}^{-1}$$

Chemistry 102

Chapter 6

Chemical Kinetics

Kinetics

Rice University

Brown University

Lectures

22:42

In probability theory, the conditional probability of an event A given that another event B has occurred is defined as the probability of A given B, written as P(A|B). It is a function of the probability of B, the probability of A given B, and the probability of B.

04:55

In chemistry, kinetics is the study of the rates of chemical reactions. The rate of a reaction is the change in concentration of a reactant over time. The rate of reaction is dependent on the concentration of the reactants, temperature, and the activation energy of the reaction.

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'For the reaction, NO…

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Rate constants for the rea…

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Consider the second-order …

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Consider the first-order r…

02:48

For the reaction$$…

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01:44

The rate constant for the …

For the reaction$$\mat…

01:50

09:57

The reaction$$2 \m…

Okay, So for this question, they tell us the frequency factor is equal to 8.7 times 10 to d 12 per second. They tell us the activation energy is equal to 63 cultures firmo and they tell us the temperature is equal to 75 degree Celsius. So before we do anything, we have the convert, the killed Jules, Jules and the Celsius to Calvin. Right? So 63 killed yours that we do. One killed, you'll physical to 1000 jewels. And we should get six 3000 So 63,000 jewels. And in order to convert Celsius to Kelvin, I'll let me do is add 273 eso We get 340 eight, but just 0.5, we're under 48.15 Calvin. Right? And what we also need is this equation that Iranians equation e over r t. And we also need to know that our is equal to 8.3 14 Jules per mole Cove in right. This are is the reason why we need jewels. And we need Calvin. Right? So and this question, they want us to find the rate constant so we have k is equal to We know the frequency factor as 8.7 times, 10 to 12 for a second, and then we just plug the rest of the values in. So we have the activation. Energy is you go to negative 63,000 jewels divided by our, which is 8.314 joules per mole kelvin times it by 348.15 Calvin. So we put that into the calculator and we get K is equal to people in seven times 10 to 12 per second times and by 3.5 three times 10 to d negative 10. And then we put that into the calculator and we should get three point 3.7 times 10 to the neck to the three 33 three spur. Second as our answer

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