Thermochem Review Question Preview (ID: 53787)


Review Questions About Thermochemistry. TEACHERS: click here for quick copy question ID numbers.

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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