Volume of Volume of Volume of Volume of water, Time from mixing to dramatic color A, B, C, ml change, sec mL ml ml 1.0 1.0 1.0 97.0 16 1.0 1.0 2.0 96.0 8. 19) Which reactant concentration have we changed? a) A b) B c) C d) no reactant concentrations changed 20) What was the change in concentration of that reactant? a) no change b) doubled c) tripled d) increased by the power of 10 21) What was the change in reaction time? a) no change b) slower time (faster time) x 2 c) slower time (faster time) to the power of 2 d) there is no relationship between reaction times and concentration change 22) What is the reaction order in respect to C? a) zero order b) first order c) second order d) k

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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We are determining the rate law equation for a reaction A + B + C → ABC in which a dramatic and instant color change tells us that reactants are used up and product is formed. (Concentrations used in all experiments are [A] = 2.0M, [B] = 1.0M, and [C] = 3.0M)

This is the data for questions 19 through 22:

| Volume of A, mL | Volume of B, mL | Volume of C, mL | Volume of water, mL | Time from mixing to dramatic color change, sec |
|-----------------|-----------------|-----------------|----------------------|-----------------------------------------------|
| 1.0             | 1.0             | 1.0             | 97.0                 | 16                                            |
| 1.0             | 1.0             | 2.0             | 96.0                 | 8                                             |

19) Which reactant concentration have we changed?
a) A  
b) B  
c) C  
d) no reactant concentrations changed  

20) What was the change in concentration of that reactant?
a) no change  
b) doubled  
c) tripled  
d) increased by the power of 10  

21) What was the change in reaction time?
a) no change  
b) slower time = (faster time) x 2  
c) slower time = (faster time) to the power of 2  
d) there is no relationship between reaction times and concentration change  

22) What is the reaction order in respect to C?
a) zero order  
b) first order  
c) second order  
d) k
Transcribed Image Text:We are determining the rate law equation for a reaction A + B + C → ABC in which a dramatic and instant color change tells us that reactants are used up and product is formed. (Concentrations used in all experiments are [A] = 2.0M, [B] = 1.0M, and [C] = 3.0M) This is the data for questions 19 through 22: | Volume of A, mL | Volume of B, mL | Volume of C, mL | Volume of water, mL | Time from mixing to dramatic color change, sec | |-----------------|-----------------|-----------------|----------------------|-----------------------------------------------| | 1.0 | 1.0 | 1.0 | 97.0 | 16 | | 1.0 | 1.0 | 2.0 | 96.0 | 8 | 19) Which reactant concentration have we changed? a) A b) B c) C d) no reactant concentrations changed 20) What was the change in concentration of that reactant? a) no change b) doubled c) tripled d) increased by the power of 10 21) What was the change in reaction time? a) no change b) slower time = (faster time) x 2 c) slower time = (faster time) to the power of 2 d) there is no relationship between reaction times and concentration change 22) What is the reaction order in respect to C? a) zero order b) first order c) second order d) k
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