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- 1. Multiple Choice
Which segment best represents the warming of a solid?
1 to 2
2 to 3
3 to 4
4 to 5
5 to 6
- 2. Multiple Choice
Which segment best represents the warming of a gas?
1 to 2
2 to 3
3 to 4
4 to 5
5 to 6
- 3. Multiple Choice
Which segment best represents boiling?
1 to 2
2 to 3
3 to 4
4 to 5
5 to 6
- 4. Multiple Choice
Which segment best represents melting?
1 to 2
2 to 3
3 to 4
4 to 5
5 to 6
- 5. Multiple Choice
Which segment best represents warming of a liquid?
1 to 2
2 to 3
3 to 4
4 to 5
5 to 6
- 6. Multiple Choice
the energy required to change phase from solid to liquid
heat of vaporization
heat of fusion
- 7. Multiple Choice
the energy required to change phase from liquid to gas
heat of vaporization
heat of fusion
- 8. Multiple Choice
Temperature does NOT change during a phase change.
True
False
- 9. Multiple Choice
The graph best describes...
endothermic reactions
exothermic reactions
- 10. Multiple Choice
The graph best describes...
endothermic reactions
exothermic reactions
- 11. Multiple Choice
This energy curve is best described as an...
endothermic reaction
exothermic reaction
- 12. Multiple Choice
This energy curve is best described as an...
endothermic reaction
exothermic reaction
- 13. Multiple Choice
heat + reactants --> products
endothermic reaction
exothermic reaction
- 14. Multiple Choice
reactants --> products + heat
endothermic reaction
exothermic reaction
- 15. Multiple Choice
"The energy required to start a reaction."
Activation energy
Catalyst
Enthalpy
Temperature
- 16. Multiple Choice
"Speeds up a reaction by lowering activation energy."
Entropy
Catalyst
Enthalpy
Temperature
- 17. Multiple Choice
Which number best represents the impact of a catalyst on the energy curve of an exothermic reaction?
1
2
3
4
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