EXAM 8: THERMOCHEMISTRY

The amount of heat energy required to raise the temperature of an object by 1 degree is called its____________.
Limit of heating
Heat capacity
Energy margin
________ calories of heat must be removed from each gram of steam at 100*C to produce water
334
540
89
__________ calories must be removed from each gram of water at 0*C to produce ice.
80
45
98
If heat is added to a block of ice that is colder than 0*C, the temperature of the ice will increase until it reaches 0*C, which is its____________.
Melting point
Point of vapor
Average rate of heat flow
The latent heat needed to change ice to water is called the _____________.
Solid structure limit
Transition range
Heat of fusion
The _________________ for liquid water going to gaseous water at 100*C is 9730 cal/mol (540cal/g).
Heat of evaporation
Melting forces
____________________ is a measure of the strength of a chemical bond.
Energy of unlike atoms
Bond-dissociation energy
__________________ measures how strongly an atom attracts the shared pair of electrons in a covalent bond.
Bond covalence
Electronegativity
The study of forms of energy, such as heat and work, and of the conversion of energy from one form into another is called:
Chemical dissociation
Thermodynamics
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