Thermal Properties and Temperature 2 - Y10C

Front

What is specific heat capacity (SHC)?

Back

The amount of energy required to raise the temperature of 1 kilogram of a substance by 1°C (or 1 K).

Front

What is the specific heat capacity of water?

Back

About 4181 J/kg°C.

Front

What is the specific heat capacity of aluminium?

Back

900 J/kg°C.

Front

What is the specific heat capacity of lead?

Back

128 J/kg°C.

Front

What is the formula to calculate energy transferred when heating a substance?

Back

Q = m × c × ΔT, where m is mass, c is specific heat capacity, and ΔT is temperature change.

Front

How much energy is transferred when heating 2 kg of water from 20°C to 30°C?

Back

83,620 J (or 83.62 kJ).

Front

What equipment is used to measure specific heat capacity experimentally for solids?

Back

An immersion heater and a block of known mass.

Front

What equipment is used to measure specific heat capacity experimentally for liquids?

Back

A beaker of water, an electric heater, a thermometer, and a timer.

Front

What is the specific heat capacity of water calculated from an experiment with 0.75 kg of water heated by 200 W for 200 seconds?

Back

Approximately 4267 J/kg°C.

Front

What is latent heat?

Back

Energy absorbed or released during a phase change without a change in temperature.