Heating Curves

Front

What is a heating curve?

Back

A heating curve is a graphical representation that shows the change in temperature of a substance as heat is added, illustrating phase changes and temperature changes.

Front

What happens to the temperature during a phase change?

Back

The temperature remains constant during a phase change, even though heat is being added or removed.

Front

What occurs at point B on a heating curve?

Back

At point B, the substance is undergoing melting, transitioning from solid to liquid.

Front

What occurs at point D on a heating curve?

Back

At point D, the substance is undergoing boiling, transitioning from liquid to gas.

Front

How do particle movements change with temperature?

Back

As temperature increases, particles in a substance move faster due to increased kinetic energy.

Front

What is the state of matter at point A on a heating curve?

Back

At point A, the substance is in a solid state.

Front

What is the significance of points C and E on a heating curve?

Back

Points C and E represent the completion of phase changes: C is the end of melting, and E is the end of boiling.

Front

What do heating curves illustrate about energy and temperature?

Back

Heating curves illustrate that energy is absorbed during phase changes without a change in temperature.

Front

What is the relationship between heat added and temperature change in a solid?

Back

In a solid, as heat is added, the temperature increases until it reaches the melting point.

Front

What is the relationship between heat added and temperature change in a liquid?

Back

In a liquid, as heat is added, the temperature increases until it reaches the boiling point.