8.3 Heat/Specific Heat

Front

What is specific heat?

Back

Specific heat is the amount of heat energy required to raise the temperature of 1 gram of a substance by 1 degree Celsius.

Front

How does the specific heat of a substance affect its temperature change when heated?

Back

A substance with a high specific heat will experience a smaller temperature change compared to a substance with a low specific heat when the same amount of heat energy is applied.

Front

If two objects are heated with the same amount of energy, which will have a greater temperature change: an object with a high specific heat or one with a low specific heat?

Back

The object with a low specific heat will have a greater temperature change.

Front

What happens to heat flow between two objects at different temperatures?

Back

Heat flows from the object with a higher temperature to the object with a lower temperature until thermal equilibrium is reached.

Front

In the context of heat transfer, what does thermal equilibrium mean?

Back

Thermal equilibrium is the state in which two objects in contact with each other reach the same temperature and no heat flows between them.

Front

Which car will heat flow into faster: one with a lower temperature or one with a higher temperature?

Back

Heat will flow into the car with the lower temperature faster.

Front

What is the relationship between mass and temperature change when heating an object?

Back

For a given amount of heat energy, an object with a larger mass will have a smaller temperature change compared to an object with a smaller mass.

Front

What is the formula for calculating heat energy (Q) absorbed or released by a substance?

Back

Q = mcΔT, where m is mass, c is specific heat, and ΔT is the change in temperature.

Front

If two blocks of the same material are heated with the same amount of energy, how does their mass affect their temperature change?

Back

The block with the greater mass will have a smaller temperature change than the block with the lesser mass.

Front

What does a high specific heat indicate about a substance's ability to store thermal energy?

Back

A high specific heat indicates that the substance can store a large amount of thermal energy without a significant change in temperature.