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Reaction Rates: Speed It Up with Temperature! Quiz

The following table shows the reaction times for the bleaching reaction at three different temperatures. In questions 1-3, identify which temperature matches which reaction time?
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1. 54°C matches reaction time
Correct.
Incorrect.
2. 28°C matches reaction time
Correct.
Incorrect.
3. 8°C matches reaction time
Correct.
Incorrect.
4. From an experiment measuring the dye concentration during a bleaching reaction, you got the results given in the table below. What is the average reaction rate for the whole reaction?
Time [s] Concentration [M]
08
107
206
305
404
503
Correct.
Incorrect.
This graph shows the product formation of C during a chemical reaction A + B → C + D performed at three different temperatures (T1, T2, and T3). Use the graph to decide whether each statement, in questions 5-9, is true or false.
Image Credit: Science Buddies
5. T1 > T2
Correct.
Incorrect.
6. All reaction rates are the same.
Correct.
Incorrect.
7. T1 < T2 < T3
Correct.
Incorrect.
8. T3 > T1
Correct.
Incorrect.
9. T1 > T2 > T3
Correct.
Incorrect.
10. According to the collision theory, an increase in temperature results in a higher reaction rate because a higher temperature...
  1. ...increases the amount of reactant molecules that can react.
  2. ...decreases the energy of the reactant molecules.
  3. ...increases the number of reactant molecule collisions.
  4. ...increases the energy of the reactant molecules.
  5. ...slows down the movement of the reactant molecules.
Correct.
Incorrect.

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