At a certain temperature the following data were collected for the reaction 2ICl + H2  I2 + 2HCl.   Initial Concentrations (mol L-1)     Initial Rate of Formation of [ICl] [H2] I2 (mol L-1 s-1)   0.10 0.10 0.0015 0.20 0.10 0.0030 0.10 0.0500 0.00075   A) Determine the rate law and the rate constant (with correct units) for the reaction. R = k[ICl][H2] R = k[ICl]2[H2]2     R = k[ICl][H2]2 R = k[ICl][H2]0 R = k[ICl]2[H2] B) What is the value of the rate constant? _____ The unit of the rate constant is M-1s-2 The unit of the rate constant is mol L-1 s-1    The unit of the rate constant is L mol-1 s-1 The unit of the rate constant is M-2s-1 The unit of the rate constant is s-1

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Chapter1: Chemical Foundations
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At a certain temperature the following data were collected for the reaction 2ICl + H2  I2 + 2HCl.

 
Initial Concentrations (mol L-1)  
  Initial Rate of Formation of
[ICl] [H2] I2 (mol L-1 s-1)
 
0.10 0.10 0.0015
0.20 0.10 0.0030
0.10 0.0500 0.00075
 

A) Determine the rate law and the rate constant (with correct units) for the reaction.

  1. R = k[ICl][H2]
  2. R = k[ICl]2[H2]2    
  3. R = k[ICl][H2]2
  4. R = k[ICl][H2]0
  5. R = k[ICl]2[H2]

B) What is the value of the rate constant? _____

  1. The unit of the rate constant is M-1s-2
  2. The unit of the rate constant is mol L-1 s-1   
  3. The unit of the rate constant is L mol-1 s-1
  4. The unit of the rate constant is M-2s-1
  5. The unit of the rate constant is s-1
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