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The rate constant for the elementary reaction $2 \mathrm{NO}(g)+\mathrm{O}_{2}(g) \longrightarrow 2 \mathrm{NO}_{2}(g)$ is $7.1 \times 10^{9} / M^{2} \cdot$ s at $25^{\circ} \mathrm{C}$. What is the rate constant for the reverse reaction at the same temperature?

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$$4 \cdot 2 \times 10^{-3} \mathrm{M}^{-1} \mathrm{s}^{-1}$$

Chemistry 102

Chapter 17

Entropy, Free Energy, and Equilibrium

Thermodynamics

Rice University

University of Maryland - University College

Brown University

University of Toronto

Lectures

00:42

In thermodynamics, the zeroth law of thermodynamics states that if two systems are in thermal equilibrium with a third system, they are also in thermal equilibrium with each other.

01:47

A spontaneous process is one in which the total entropy of the universe increases. In a spontaneous process, the system will move from an ordered state to a disordered state, such as from ice to water, or from a solid to a gas. The concept of spontaneity was introduced by Rudolf Clausius in 1850.

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For the reaction$$…

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05:25

The reaction$$2 \mathr…

01:38

For the reaction $$2 \math…

00:44

At $700 \mathrm{K}, K_{c}=…

03:15

The rate constant for the …

14:51

In a kinetic study of the …

01:14

right. Answer for the question. He had behaved a reaction to animal plus or two. Okay, K F data for variation and read off. Reverse reaction is equal toe to end or two. And here, delicate, she knows is equal to two into 51.8 minus two into 86.7 minus zero is equal to minus 69.8 killed with all Permal. Yeah, and K is equal to e exponent. Minus dealt. Had she not Divided by rt is equal toe ive 69.8 Multiply 10 Dressed to the power three divided by 8.3 14 multiplied to 90 86 temperature and here care is equal to 1.7 multiply 10 Raised to the power. 12 more. No. Mhm. Yeah. He okay is equal to read off forever. Region divided by rate off reverse reaction is equal to Yeah, Read off rivers. Reaction is equal to the red off. Pervert reaction divided by cave music will to 7.1 multiplied and rest to the power four berman per second. Divided by 1.7 multiplied and rescue the power 12 okay is equal to for going to multiply. 10 Raised to the power minus tree is the calculated

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