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Author Question: Use the following data to determine the rate law for the reaction shown below. 2NO + H2 N2O + ... (Read 9 times)

JimmyJoe

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Question 1

The thermal decomposition of acetaldehyde, CH3CHO → CH4 + CO, is a second-order reaction.  The following data were obtained at 518°C.
 
time, s
Pressure CH3CHO,  mmHg
 
0
364
 
42
330
 
105
290
 
720
132
Based on the data given, what is the half-life for the disappearance of acetaldehyde?

◦ 1.5 × 105 s
◦ 410 s
◦ 5.4 × 107 s
◦ 520 s
◦ 305 s

Question 2

Use the following data to determine the rate law for the reaction shown below.
         2NO + H2→ N2O + H2O
Expt. #
[NO]0
[H2]0
Initial rate
1
0.021
0.065
1.46 M/min
2
0.021
0.260
1.46 M/min
3
0.042
0.065
5.84 M/min
 

◦ rate = k[NO]
◦ rate = k[NO]2

◦ rate = k[NO][H2]
◦ rate = k[NO]2[H2]
◦ rate = k[NO]2[H2]2


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Marked as best answer by JimmyJoe on Nov 5, 2023

furthoh

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JimmyJoe

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Reply 2 on: Nov 5, 2023
Wow, this really help


DylanD1323

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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