Thermochem Review Question Preview (ID: 53787)
Review Questions About Thermochemistry.
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True or False: Heat moves from cooler to warmer substances
a) True
b) False
c)
d)
In exothermic reactions energy is
a) absorbed
b) cold
c) relesased
d) negative
The delta H of an endothermic reaction is
a) stays the same
b) warmer
c) negative
d) positiver
In endothermic reactions energy is
a) absorbed
b) released
c) stays the same
d) greater in the products
The unit for heat is
a) grams
b) joules
c) degrees Celsius
d) mL
Which substance would require more energy to raise the temperature
a) mercury
b) iron
c) alcohol
d) aluminum
In endothermic reactions energy is
a) stored in the products
b) released into the surroundings
c) stays the same
d) there is no energy
What is the specific heat of water?
a) 2.10 J/gC
b) 0.9 J/gC
c) 0.14 J/gC
d) 4.184 J/gC
If a pool absorbs heat all day will the heat be released slowly or quickly overnight?
a) quickly
b) slowly
c) stays the same
d) doesn't absorb heat
Thermochemistry means
a) heat in reactions
b) mass in reactions
c) liters in reactions
d) grams in reactions
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