rate law for a reaction?

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Emma

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i need some help with a problem. the first correct answer will get a best answer. i'm not just asking for the answer, but i'd like to actually learn how to do it as well. thank you in advance!


5. For the reaction

2 NO(g) + 2 H2(g) → N2 (g) + 2 H2 O(g)

the following data were collected:
[NO(g)] [H2(g)] Rate, M/s
0.10 0.10 0.0050
0.10 0.20 0.010
0.10 0.30 0.015
0.20 0.10 0.020
0.20 0.20 0.040

what is the rate law for this reaction?
1. rate = k [H2]^2 [NO]
2. none of these
3. rate = k [H2] [NO]
4. rate = k [H2] [NO]^2
5. rate = k [H2]/[NO]
6. rate = k [H2]/[NO]^2
 
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