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C6: Quiz 6
C6: Quiz 6
Click here for a printable PDF of the graphs in this quiz.
1) Fill in the blanks below using the phrases/ words;
take in, give out, increasing, decreasing, more, less
a) Endothermic reactions ________ energy. This usually results in the temperature of the surroundings ________ after an endothermic reaction has taken place. For endothermic reactions, the reactants have ________ energy than the products.
b) Exothermic reactions ________ energy. This usually results in the temperature of the surroundings ________ after an exothermic reaction has taken place. For exothermic reactions, the reactants have ________ energy than the products.
2)
a) Define activation energy
b) Define overall energy change
3) For the following reactions, is the overall energy change positive or negative?
a) Endothermic
b) Exothermic
4) Draw the reaction profile for an exothermic reaction on the graph below. Make sure that you label the activation energy and the overall energy change.
1) Fill in the blanks below using the phrases/ words;
take in, give out, increasing, decreasing, more, less
a) Endothermic reactions ________ energy. This usually results in the temperature of the surroundings ________ after an endothermic reaction has taken place. For endothermic reactions, the reactants have ________ energy than the products.
b) Exothermic reactions ________ energy. This usually results in the temperature of the surroundings ________ after an exothermic reaction has taken place. For exothermic reactions, the reactants have ________ energy than the products.
2)
a) Define activation energy
b) Define overall energy change
3) For the following reactions, is the overall energy change positive or negative?
a) Endothermic
b) Exothermic
4) Draw the reaction profile for an exothermic reaction on the graph below. Make sure that you label the activation energy and the overall energy change.
5) Draw the reaction profile for an endothermic reaction on the graph below. Make sure that you label the activation energy and the overall energy change.