Specific Heat Capacity Practice

Which is the correct specific heat capacity formula for calculating heat energy.

• Q = mΔcΔT

• P = mcΔT

• Q = mcT

• Q = mcΔT

Calculate the heat energy required to raise the temperature of 2 kg of water by 10°C. (Specific heat capacity of water is 4200 J/kg°C)

• 105000 J

• 63000 J

• 84000 J

• 42000 J

Determine the mass of a substance that absorbs 5000 J of heat energy when its temperature increases by 20°C. (Specific heat capacity of the substance is 800 J/kg°C)

• 0.45 kg

• 0.3125 kg

• 0.625 kg

• 0.25 kg

If 1000 J of heat energy is supplied to a 0.5 kg iron block, calculate the temperature change. (Specific heat capacity of iron is 450 J/kg°C)

• 2.22°C

• 8.88°C

• 4.44°C

• 6.66°C

What is the specific heat capacity of a material if 500 J of heat energy is required to raise the temperature of 2 kg of the material by 5°C?

• 100 J/(kg°C)

• 60 J/(kg°C)

• 50 J/(kg°C)

• 40 J/(kg°C)

Given that the specific heat capacity of aluminum is 900 J/kg°C, calculate the heat energy needed to raise the temperature of 1 kg of aluminum by 15°C.

• 15000 J

• 13500 J

• 10000 J

• 12000 J

Rearrange the specific heat capacity formula to solve for mass.

• m = Q / cΔT

• m = Q / (cΔT)

• m = Q + cΔT

• m = Q * cΔT

Calculate the mass of a substance that absorbs 3000 J of heat energy when its temperature increases by 10°C. (Specific heat capacity of the substance is 600 J/kg°C)

• 1.2 kg

• 2.5 kg

• 0.5 kg

• 3.0 kg

If 500 J of heat energy is supplied to a material and its temperature increases by 5°C, determine the mass of the material. (Specific heat capacity of the material is 200 J/kg°C)

• 2 kg

• 0.5 kg

• 1 kg

• 0.2 kg

A 2 kg block of copper absorbs 8000 J of heat energy. Calculate the temperature change. (Specific heat capacity of copper is 390 J/kg°C)

• 15.75°C

• 10.26°C

• 5.13°C

• 20.48°C