All changes save7. 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. ForCondition One, the solution concentrations were constant and temperature varied. For Condition Two, the temperature was constant and concentrations varied.Condition One: ConcentrationTime forTemperature(°C)SampleColor toChange110°36 sec22°14 secCondition Two: TemperatureTime forConcentrationSampleColor to%Change1.100%15 sec2.50%24 secWhich 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 temperaturenot by changes in concentration.O Decreasing the concentration increases the reaction rate.PREVIOUS17 of 25NEXTSAVE & EXIT

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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: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter13: The Chemistry Of Solutes And Solutions

Section: Chapter Questions

Problem 107QRT

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Question

All changes save
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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