What are the three temperature scales widely used?

The three temperature scales widely used are Celsius, Fahrenheit, and Kelvin.

What is the relationship between Celsius and Kelvin?

To convert Celsius to Kelvin, add 273. To convert Kelvin to Celsius, subtract 273.

Heat is the energy transferred from one object to another due to a temperature difference.

What is heat capacity?

Heat capacity is the amount of heat required to increase the temperature of an object by one temperature unit.

What is specific heat capacity?

Specific heat capacity is the amount of heat required to increase the temperature of a unit mass of a substance by one degree.

Latent heat is the amount of heat absorbed or released during a change of state of a substance without changing its temperature.

What is the specific latent heat of fusion?

The specific latent heat of fusion is the heat required to convert 1 kg of ice at 0°C into liquid water at the same temperature.

What is the specific latent heat of vaporization?

The specific latent heat of vaporization is the heat required to convert 1 kg of water at 100°C into steam at the same temperature.

What is thermal expansion?

Thermal expansion is the increase in dimensions of a substance subjected to an increase in temperature.

What are the three methods of heat transfer?

The three methods of heat transfer are conduction, convection, and radiation.

Conduction is the transfer of heat through a material without the movement of the material itself.

Convection is the transfer of heat by the movement of fluids (liquids or gases) due to differences in density.

Radiation is the transfer of heat in the form of electromagnetic waves without the need for a medium.

What is thermal equilibrium?

Thermal equilibrium is the state when two bodies at different temperatures reach the same temperature and heat no longer flows between them.

What is the unit of heat?

The unit of heat is the Joule (J).

What is the significance of the absolute zero temperature?

Absolute zero is the lowest possible temperature where all molecular motion stops, defined as 0 K or -273.15°C.

What happens to the temperature of a substance during a change of state?

The temperature remains constant during a change of state, even though heat is being absorbed or released.

What is the boiling point of water in Kelvin?

The boiling point of water is 373.15 K.

What is the freezing point of water in Kelvin?

The freezing point of water is 273.15 K.

What is the specific heat capacity of water?

The specific heat capacity of water is 4200 J kg⁻¹ K⁻¹.

What is the specific heat capacity of aluminum?

The specific heat capacity of aluminum is 900 J kg⁻¹ K⁻¹.

What is the specific heat capacity of iron?

The specific heat capacity of iron is 460 J kg⁻¹ K⁻¹.

What is the specific heat capacity of mercury?

The specific heat capacity of mercury is 140 J kg⁻¹ K⁻¹.

What is the specific heat capacity of lead?

The specific heat capacity of lead is 130 J kg⁻¹ K⁻¹.

What is the specific heat capacity of coconut oil?

The specific heat capacity of coconut oil is 2200 J kg⁻¹ K⁻¹.

What is the specific heat capacity of alcohol?

The specific heat capacity of alcohol is 2500 J kg⁻¹ K⁻¹.

What is the specific heat capacity of concrete?

The specific heat capacity of concrete is 3000 J kg⁻¹ K⁻¹.

What is the specific heat capacity of rubber?

The specific heat capacity of rubber is 1700 J kg⁻¹ K⁻¹.

What is the specific heat capacity of kerosene oil?

The specific heat capacity of kerosene oil is 2140 J kg⁻¹ K⁻¹.

What is the specific heat capacity of ice?

The specific heat capacity of ice is 2100 J kg⁻¹ K⁻¹.

What is the latent heat of fusion of ice?

The latent heat of fusion of ice is 3.36 × 10⁵ J/kg.

What is the latent heat of vaporization of water?

The latent heat of vaporization of water is 2.26 × 10⁶ J/kg.

What is the melting point of lead?

The melting point of lead is 330°C.

What is the boiling point of mercury?

The boiling point of mercury is 357°C.

What is the boiling point of zinc?

The boiling point of zinc is 907°C.

What is the boiling point of copper?

The boiling point of copper is 2562°C.

What is the boiling point of iron?

The boiling point of iron is 2862°C.

What is the boiling point of oxygen?

The boiling point of oxygen is -183°C.

What is the melting point of aluminum?

The melting point of aluminum is 660°C.

What is the melting point of gold?

The melting point of gold is 1063°C.

What is the melting point of tungsten?

The melting point of tungsten is 5385°C.

What is the melting point of naphthalene?

The melting point of naphthalene is 80°C.

What is the melting point of sulfur?

The melting point of sulfur is 114°C.

What is the melting point of paraffin?

The melting point of paraffin is 54°C.

Physics - Heat Flashcards

Student preview

127 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is temperature?

Back

Temperature is a measure of the mean kinetic energy possessed by the particles that form an object.

2.

FLASHCARD QUESTION

Front

What device is used to measure temperature?

Back

The device used to measure temperature is known as a thermometer.

3.

FLASHCARD QUESTION

Front

Who invented the first thermometer?

Back

The first thermometer was invented by Galileo Galilei around 1600 A.D.

4.

FLASHCARD QUESTION

Front

What are the two types of thermometers focused on in this chapter?

Back

The two types of thermometers focused on are the glass-mercury thermometer and the glass-alcohol thermometer.

5.

FLASHCARD QUESTION

Front

Why is mercury used in thermometers?

Back

Mercury is used because it has a uniform expansion over a broad range of temperatures, is a good thermal conductor, and remains liquid over a wide temperature range.

6.

FLASHCARD QUESTION

Front

What is the melting point of ice in Celsius?

Back

The melting point of ice is 0°C.

7.

FLASHCARD QUESTION

Front

What is the boiling point of water in Celsius?

Back

The boiling point of water is 100°C.

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