Exam 5: Temperature and Heat

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

The temperature scale where the numerical value is proportional to the average kinetic energy of the atoms or molecules is

(Multiple Choice)
4.9/5
(38)

The specific heat capacity of a substance is the amount of energy required to raise 1 kg of the substance by a temperature of

(Multiple Choice)
4.8/5
(44)

A steam turbine is an example of a heat mover.

(True/False)
4.8/5
(39)

A wood stove in the corner of a cabin causes the entire cabin to become heated. This is an example of __________.

(Short Answer)
4.8/5
(38)

You hold one end of a solid rod in a fire, and the other end becomes hot. This is an example of __________.

(Short Answer)
4.7/5
(37)

As the air cools at night the relative humidity usually __________.

(Short Answer)
4.8/5
(39)

When ice melts, its temperature increases.

(True/False)
4.8/5
(37)

A bimetallic strip is formed from two materials that have different heat capacities.

(True/False)
4.8/5
(32)

specific heat capacity of ice = 2,000 J/kg-°C      latent heat of fusion of water = 334,000 J/kg      specific heat capacity of water = 4,000 J/kg-°C As the ice is melting, the temperature of the ice-water mixture rises by 10°C.

(True/False)
4.9/5
(39)

You can increase the temperature of a gas by compressing it.

(True/False)
4.8/5
(35)

Which mechanism(s) of heat transfer will work in a vacuum?

(Multiple Choice)
4.8/5
(42)

The total kinetic and potential energies of all the atoms and molecules of a substance is its

(Multiple Choice)
4.8/5
(28)

specific heat capacity of ice = 2,000 J/kg-°C      latent heat of fusion of water = 334,000 J/kg      specific heat capacity of water = 4,000 J/kg-°C The 1 kg block of ice melts into water. The amount of heat absorbed by the ice as it melts is 334,000 J.

(True/False)
4.8/5
(31)

The specific heat capacity of water is about twice the specific heat capacity of ice. The amount of heat required to boil 1 kg of water is twice the amount of heat required to melt 1 kg of ice.

(True/False)
4.9/5
(41)

A piston compresses a gas, while at the same time heat is lost to the surroundings. The temperature of the gas rises. This is governed by the second law of thermodynamics.

(True/False)
4.9/5
(41)

A bimetallic strip is usable in a thermometer because of its heat capacity.

(True/False)
4.8/5
(32)

A piece of chocolate melts in your mouth. This is an example of

(Multiple Choice)
4.8/5
(32)

In a steam engine, steam at 140°C in a turbine does work on an external system, and the steam leaves the turbine at 100°C. The efficiency of the steam engine is 5%. The relevant physical principle is

(Multiple Choice)
4.8/5
(32)

Three examples of a heat mover are __________, __________, and __________.

(Short Answer)
5.0/5
(43)

The warmth you feel from the Sun at the beach is an example of

(Multiple Choice)
4.8/5
(40)
Showing 41 - 60 of 142
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)