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Questions and Answers
Which type of chemical reaction is characterized by the absorption of thermal energy?
Which type of chemical reaction is characterized by the absorption of thermal energy?
- Exothermic reaction
- Catalytic reaction
- Activation energy reaction
- Endothermic reaction (correct)
What is the minimum amount of energy required to start a chemical reaction?
What is the minimum amount of energy required to start a chemical reaction?
- Thermal energy
- Reaction energy
- Activation energy (correct)
- Collision energy
Which factor does NOT affect the rate of a chemical reaction?
Which factor does NOT affect the rate of a chemical reaction?
- Surface area
- Charge of reactants (correct)
- Temperature
- Concentration
In an exothermic reaction, the $\Delta H$ value is typically:
In an exothermic reaction, the $\Delta H$ value is typically:
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Which of the following is NOT a characteristic of a catalyst?
Which of the following is NOT a characteristic of a catalyst?
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Which type of chemical reaction is responsible for the burning of a candle?
Which type of chemical reaction is responsible for the burning of a candle?
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