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Q 1/33
Score 0
the energy an object has because of its motion
30
kinetic energy
Q 2/33
Score 0
all matter consists of tiny particles that are in constant motion
30
kinetic theory
33 questions
Q.
the energy an object has because of its motion
1
30 sec
Q.
all matter consists of tiny particles that are in constant motion
2
30 sec
Q.
results from the force exerted by a gas per unit surface area if an object
3
30 sec
Q.
an empty space with no particles and no pressure
4
30 sec
Q.
results from the collisions of atoms and molecules in air with objects
5
30 sec
Q.
a device that is used to measure atmospheric pressure
6
30 sec
Q.
SI unit of pressure
7
30 sec
Q.
the pressure required to support 760 mm of mercury in a mercury barometer at 25 degrees C.
8
30 sec
Q.
See image
9
30 sec
Q.
conversion from a liquid to a gas or vapor
10
30 sec
Q.
conversion from a gas or vapor to a liquid
11
30 sec
Q.
a measure of the force exerted by a gas above a liquid
12
30 sec
Q.
temperature at which the vapor pressure of the liquid is just equal to the external pressure on the liquid
13
30 sec
Q.
defined as the boiling point of a liquid at a pressure of 101.3 kPa.
14
30 sec
Q.
the temperature at which solid changes into a liquid
15
30 sec
Q.
the particles are arranged in an orderly, repeating, three-dimensional pattern called crystal lattice.
16
30 sec
Q.
See image
17
30 sec
Q.
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18
30 sec
Q.
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19
30 sec
Q.
smallest group of particles within a crystal retains the geometric shape of the crystal
20
30 sec
Q.
two or more different molecular forms of the same element in the same physical state.
21
30 sec
Q.
See image
22
30 sec
Q.
lacks an ordered internal structures. Their atoms are arranged randomly. Ex: glasses
23
30 sec
Q.
also called supercooled liquids; transparent fusion product of inorganic substances that have cooled to a rigid state without crystallizing.
24
30 sec
Q.
See image
25
30 sec
Q.
See image
26
30 sec
Q.
See image
27
30 sec
Q.
See image
28
30 sec
Q.
the change of a substance from a solid to a vapor without passing through the liquid state
29
30 sec
Q.
gives the conditions of temperature and pressure at which a substance exists as a solid, liquid and gas.
30
30 sec
Q.
the point on the diagram at which all three curves meet and describes the only set of conditions at which all three phases can exist in equilibrium with one another. It lies on the temperature of 0.016 degrees C and the pressure of 0.61 kPa
31
30 sec
Q.
the inward force, or pull, that tends to minimize the surface area of a liquid
32
30 sec
Q.
any substances that interferes with the hydrogen bonding between water molecules and thereby reduces the surface tensions.
