Section 6.3- Heat and Changes of State Flashcards
1
Q
adding heat to a substance does not always cause a
A
chemical reaction
2
Q
the heat per unit mass required to melt a substance at its melting point is its
A
heat of fusion or enthalpy of fusion (deltaHfus)
3
Q
the amount of heat per unit mass required to vaporize a substance at its normal boiling point is its
A
heat of vaporization or enthalpy of vaporization
4
Q
the heat of fusion and the heat of __________________ have the same value but opposite signs
A
crystallization (liquid to solid)
5
Q
the heat of vaporization and the heat of ______________________ have the same value but opposite signs
A
condensation (gas to liquid)
