Specific Heat Capacity Quiz

What is the definition of specific heat capacity?

• The amount of heat energy required to change the temperature of 1 kg of a substance by 1°C.

• The amount of heat energy required to change the temperature of 1 g of a substance by 1°C.

• The amount of heat energy required to change the temperature of 1 kg of a substance by 1°F.

• The amount of heat energy required to change the temperature of 1 g of a substance by 1°F.

Which of the following is the correct formula for calculating heat energy change?

What are the units of specific heat capacity?

• J/kg°C

• J/g°C

• J/kg°F

• J/g°F

If 500 J of heat energy is added to 2 kg of a substance, causing its temperature to increase by 5°C, what is the specific heat capacity of the substance?

• 50 J/kg°C

• 25 J/kg°C

• 100 J/kg°C

• 200 J/kg°C

Which material has a higher specific heat capacity, water or copper?

• Water

• Copper

• Both have the same specific heat capacity

• It depends on the temperature

A 3 kg block of metal requires 900 J to increase its temperature by 10°C. What is the specific heat capacity of the metal?

• 30 J/kg°C

• 300 J/kg°C

• 90 J/kg°C

• 3 J/kg°C

Which of the following statements is true about specific heat capacity?

• It is the same for all materials.

• It is higher for metals than for water.

• It varies depending on the material.

• It is measured in J/g°C.

If the specific heat capacity of a substance is 200 J/kg°C, how much heat energy is needed to raise the temperature of 5 kg of the substance by 3°C?

• 3000 J

• 2000 J

• 1000 J

• 1500 J

Which of the following has the lowest specific heat capacity?

• Aluminium

• Water

• Iron

• Lead

A 4 kg sample of a substance is heated, and its temperature rises from 20°C to 60°C. If the specific heat capacity is 250 J/kg°C, how much heat energy was added?

• 40000 J

• 25000 J

• 50000 J

• 60000 J