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Thermochem Review
Test Description: Review questions about thermochemistry
Instructions: Answer all questions to get your test result.
1) True or False: Heat moves from cooler to warmer substances
A
True
B
False
2) In exothermic reactions energy is
A
relesased
B
absorbed
C
negative
D
cold
3) The delta H of an endothermic reaction is
A
warmer
B
stays the same
C
negative
D
positiver
4) In endothermic reactions energy is
A
absorbed
B
released
C
stays the same
D
greater in the products
5) The unit for heat is
A
grams
B
joules
C
mL
D
degrees Celsius
6) Which substance would require more energy to raise the temperature
A
aluminum
B
mercury
C
alcohol
D
iron
7) In endothermic reactions energy is
A
there is no energy
B
released into the surroundings
C
stays the same
D
stored in the products
8) What is the specific heat of water?
A
0.14 J/gC
B
2.10 J/gC
C
4.184 J/gC
D
0.9 J/gC
9) If a pool absorbs heat all day will the heat be released slowly or quickly overnight?
A
doesn't absorb heat
B
slowly
C
quickly
D
stays the same
10) Thermochemistry means
A
liters in reactions
B
heat in reactions
C
mass in reactions
D
grams in reactions
*select an answer for all questions
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