A chemistry graduate student is studying the rate of this reaction:

NH,OH (aq) - NH, (aq)+H,O (@g)

He fills a reaction vessel with NH₂OH and measures its concentration as the

reaction proceeds:

time

(minutes)

0

10.

20.

30.

40.

[NH,OH]

0.100M

0.0405 M

0.0254 M

0.0185M

0.0145 M

Use this data to answer the following questions.

Write the rate law for this reaction.

Calculate the value of the rate constant k

Round your answer to 2 significant digits. Also be

sure your answer has the correct unit symbol.

rate &

k= 0

0.9

ロ・ロ

X

G

I

Ar