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Heat and States of Matter
Terms in this set (58)
The amount of heat required for a solid to melt is called...?
Heat of fusion
The amount of heat required to make the temperature of 1 gram of a substance rise by 1.0C is called...?
Specific heat capacity
Which state of water in which the molecules are farther apart on average?
As the atmospheric pressure around a liquid decreases, the boiling temperature of the liquid...?
How does the volume of a gas container affect the pressure of a gas?
The greater the volume, the lower the pressure
In what units must temperature be measured for all of the gas laws?
As the temperature of the gas in a balloon decreases...?
The average kinetic energy of the gas decreases
The volume of a gas is reduced from 4L to .5L while the temperature is held constant. The pressure of the gas...?
Increased by a factor of eight
When the external pressure is 5 atm, what is the vapor pressure of water at its boiling point?
If heat is added tot a boiling liquid, what happens to the temperature of the liquid?
It does not change
Water could be made to boil at 105C instead of 100C by...?
Increasing the air pressure on the water
Which of the following best describes the motion of iron in a piece of steel?
A- all are at rest
B- a few are moving
C- all are moving
All are moving
According to the kinetic theory of gases...
A- the particles of a gas move independently of each other
B- the particles in a gas move rapidly
C- the particles in a gas are far apart
D- all of the above
All of the above
What happens to the average kinetic energy of the particles in a sample of matter as the temperature of the sample is increased?
Which temperature scale provides a direct measure of the average kinetic energy of a substance?
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