M6 Review: Energy (Chem)

Front

What is the symbol for Thermal Energy in the specific heat formula?

Back

Q

Front

Between which points is the temperature of the substance remaining constant?

Back

B-C, D-E

Front

What is happening during segment DE of a cooling curve?

Back

Freezing

Front

How many Joules of energy are required to change 10 grams of water from 20°C to 90°C?

Back

2800 J

Front

What does temperature measure?

Back

Average Kinetic Energy of Molecules

Front

What is the formula for calculating specific heat?

Back

Q = m * C * ΔT

Front

Define specific heat capacity.

Back

The amount of heat required to raise the temperature of 1 gram of a substance by 1°C.

Front

What is the difference between thermal energy and temperature?

Back

Thermal energy is the total energy of all particles in a substance, while temperature measures the average kinetic energy of those particles.

Front

What phase change occurs when a substance goes from liquid to gas?

Back

Vaporization

Front

What is the heat of fusion?

Back

The amount of energy required to change a substance from solid to liquid at its melting point.