Have an account?
Skip to Content
Build your own quiz
Suggestions for you
25 questions
Show Answers
See Preview
- 1. Multiple ChoiceTo classify reactions: Consider the object involved in a reaction[the system] and the environment [the surroundings]. An exothermic reaction releases heat into the surroundings; an endothermic reaction takes in heat from the surroundings.got itI need practice.
- 2. Multiple ChoiceIn an exothermic reaction, heat is ...taken ingiven out
- 3. Multiple ChoiceIn an endothermic reaction, heat is ,,,taken ingiven out
- 4. Multiple ChoiceWhat type of reaction occurs in a hand warmerexothermicendothermic
- 5. Multiple ChoiceIdentify the reaction type when evaporation occurs in a liquidEndothermic reactionExothermic reaction
- 6. Multiple ChoiceA liquid evaporates into a gas by ______ heat to the liquid.addinggiving off
- 7. Multiple ChoiceIdentify the reaction type when evaporation occurs in a liquidEndothermic reactionExothermic reaction
- 8. Multiple ChoiceCondensation and raining are examples of what type of reaction?ExothermicEndothermic
- 9. Multiple ChoiceCondensation: a gas changing to a liquid
Raining: a gas changing to a liquid
Both are _______ reactions.ExothermicEndothermic - 10. Multiple ChoiceCondensation: a gas must _____ heat to change to a liquid
Raining: a gas must _____heat to change to a liquidgive offtake in - 11. Multiple ChoiceRaining: gas molecules move closer together to form a liquid.
Condensation: gas molecules must move closer together to change to a liquid. The molecules must ____ heat.give offtake in - 12. Multiple ChoiceCondensation and raining are examples of what type of reaction?ExothermicEndothermic
- 13. Multiple ChoiceBaking bread and cooking an egg are examples of....?Endothermic processesExothermic processess
- 14. Multiple ChoiceIf a chemical reaction is EXOTHERMIC, the temperature of the surroundings would....Stay the sameIncreaseDecrease
- 15. Multiple ChoiceWhen you freeze water, it turns to ice. What process is this?ExothermicEndothermic
- 16. Multiple ChoiceWhen iron nails get rusty, heat is released. What process is this?ExothermicEndothermic
- 17. Multiple ChoiceIn an endothermic reaction the system is releasing energy.TrueFalse
- 18. Multiple ChoiceIs the combustion of gasoline endothermic or exothermic?EndothermicExothermic
- 19. Multiple ChoiceDo reactants in an endothermic reaction have a higher or lower energy than the products?HigherLower
- 20. Multiple ChoiceIn an endothermic reaction, reactants take in energy. Would the reactants have a higher or lower energy than the products?HigherLower
- 21. Multiple ChoiceIn an endothermic reaction, reactants take in energy. Would the reactants have a higher or lower energy than the products?
Reactants → ProductsHigherLower - 22. Multiple ChoiceDo the reactants in an exothermic reaction have a higher or lower energy than the products?HigherLower
- 23. Multiple ChoiceDo the reactants in an exothermic reaction have a higher or lower energy than the products?
Reactants → ProductsHigherLower - 24. Multiple ChoiceDuring an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______.WarmCold
- 25. Multiple ChoiceA chemical reaction that requires energy is anexothermic reactionendothermic reaction
- Answer choicesTagsAnswer choicesTags