Author Question: Of what use is it to find a rate law for a reaction? (Read 23 times)

mpobi80 · **on:** Mar 21, 2021

Question 1

Initial rate data have been determined at a certain temperature for the gaseous reaction 2NO + 2H₂→ N₂ + 2H₂O.

[NO]₀	[H₂]₀	Initial Rate (M/s)
0.10	0.20	0.0150
0.10	0.30	0.0225
0.20	0.20	0.0600

What is the value of the rate constant?

◦ 7.5
◦ 3.0 × 10^–3

◦ 380
◦ 0.75
◦ 3.0 × 10^–4

Question 2

Of what use is it to find a rate law for a reaction?

◦ We can use the rate law to directly determine coefficients in the balanced equation.
◦ From the rate law we can evaluate potential reaction mechanisms.
◦ The rate law gives us a good indication of the thermodynamic stability of the products.
◦ The rate law can lead us to determine the equilibrium constant for the reaction.
◦ None of these are correct.

Gabe · **Reply #1 on:** Mar 21, 2021

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