Science Vocab 4 Question Preview (ID: 62937)
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molar enthalpy of fusion
a) the amount of energy as heat required to evaporate 1 mol of a liquid at constant pressure and temperature
b) the process in which a solid changes directly into a gas (the term is sometimes also used for the reverse process)
c)
d)
sublimation
a) the process in which a solid changes directly into a gas (the term is sometimes also used for the reverse process)
b) the change of state from a gas directly to a solid
c)
d)
deposition
a) the change of state from a gas directly to a solid
b) the temperature above which a substance cannot exist in the liquid state
c)
d)
phase diagram
a) a graph of the relationship between the physical state of a substance and the temperature and pressure of the substance
b) the temperature and pressure at which the gas and liquid states of a substance becomes identifical and form one phase
c)
d)
triple point
a) the temperature and pressure conditions at which the solid, liquid, and gaseous phases of a substance coexist at equilibrium
b) the temperature above which a substance cannot exist in the liquid state
c)
d)
critical point
a) the temperature and pressure at which the gas and liquid states of a substance becomes identifical and form one phase
b) the lowest pressure at which a substance can exist as a liquid at the critical temperature
c)
d)
critical temperature
a) the temperature above which a substance cannot exist in the liquid state
b) the change of state from a gas directly to a solid
c)
d)
critical pressure
a) the lowest pressure at which a substance can exist as a liquid at the critical temperature
b) the smallest portion of a crystal lattice that shows the three-dimensional pattern of the entire lattice
c)
d)
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