data tables show the time between mixing and the color change for two sets of conditions. und temperature varied. For Condition Two, the temperature was constant and concentration
data tables show the time between mixing and the color change for two sets of conditions. und temperature varied. For Condition Two, the temperature was constant and concentration
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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7. When two solutions are mixed, a color change occurs. The data tables show the time between mixing and the color change for two sets of conditions. For
Condition One, the solution concentrations were constant and temperature varied. For Condition Two, the temperature was constant and concentrations varied.
Condition One: Concentration
Time for
Temperature
(°C)
Sample
Color to
Change
1
10°
36 sec
22°
14 sec
Condition Two: Temperature
Time for
Concentration
Sample
Color to
%
Change
1.
100%
15 sec
2.
50%
24 sec
Which of these statements is true according to the data?
O The reaction rate is greater at 22°C than at 10°C.
O Reducing the temperature increases the rate of the reaction.
The reaction is affected by changes in temperature
not by changes in concentration.
O Decreasing the concentration increases the reaction rate.
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7. When two solutions are mixed, a color change occurs. The data tables show the time between mixing and the color change for two sets of conditions. For
Condition One, the solution concentrations were constant and temperature varied. For Condition Two, the temperature was constant and concentrations varied.
Condition One: Concentration
Time for
Temperature
(°C)
Sample
Color to
Change
1
10°
36 sec
22°
14 sec
Condition Two: Temperature
Time for
Concentration
Sample
Color to
%
Change
1.
100%
15 sec
2.
50%
24 sec
Which of these statements is true according to the data?
O The reaction rate is greater at 22°C than at 10°C.
O Reducing the temperature increases the rate of the reaction.
The reaction is affected by changes in temperature
not by changes in concentration.
O Decreasing the concentration increases the reaction rate.
PREVIOUS
17 of 25
NEXT
SAVE & EXIT
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