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Science Vocab 4
Test Description: Dnhrndnendd
Instructions: Answer all questions to get your test result.
1) 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)
2) sublimation
A
the change of state from a gas directly to a solid
B
the process in which a solid changes directly into a gas (the term is sometimes also used for the reverse process)
3) 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
4) phase diagram
A
the temperature and pressure at which the gas and liquid states of a substance becomes identifical and form one phase
B
a graph of the relationship between the physical state of a substance and the temperature and pressure of the substance
5) triple point
A
the temperature above which a substance cannot exist in the liquid state
B
the temperature and pressure conditions at which the solid, liquid, and gaseous phases of a substance coexist at equilibrium
6) critical point
A
the lowest pressure at which a substance can exist as a liquid at the critical temperature
B
the temperature and pressure at which the gas and liquid states of a substance becomes identifical and form one phase
7) critical temperature
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
8) 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
9) Blank
A
Blank 1
10) Blank
A
Blank 2
*select an answer for all questions
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