1. Initial‑rate data at a certain temperature is given in the table for the reaction N2O3(g)⟶NO(g)+NO2(g)...

Question

Question

1. Initial‑rate data at a certain temperature is given in the table for the reaction N2O3(g)⟶NO(g)+NO2(g)

Determine the value and units of the rate constant.

k=

units:

2. Using the data in the table, determine the rate constant of the reaction and select the appropriate units.

A+2B⟶C+D

Trial	[A] (M)[A] (M)	[B] (M)[B] (M)	Rate (M/s)
1	0.340	0.340	0.0127
2	0.340	0.680	0.0127
3	0.680	0.340	0.0508

k=

Units

3. The rate constant for this first‑order reaction is 0.480 s−1 at 400 ∘C.

A⟶products

How long, in seconds, would it take for the concentration of A to decrease from 0.650 M to 0.270 M?

4. After 49.0 min, 31.0% of a compound has decomposed. What is the half‑life of this reaction assuming first‑order kinetics?

t1/2= min

Answer 1

Answer #1

Answer 2

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