What is the specific heat capacity of a substance if 500 J of heat is required t

Practice Questions

Q1
What is the specific heat capacity of a substance if 500 J of heat is required to raise the temperature of 2 kg of the substance by 10°C? (2021)
  1. 25 J/kg°C
  2. 50 J/kg°C
  3. 75 J/kg°C
  4. 100 J/kg°C

Questions & Step-by-Step Solutions

What is the specific heat capacity of a substance if 500 J of heat is required to raise the temperature of 2 kg of the substance by 10°C? (2021)
  • Step 1: Identify the formula for specific heat capacity, which is c = Q / (m * ΔT).
  • Step 2: Determine the values needed for the formula: Q (heat) = 500 J, m (mass) = 2 kg, and ΔT (change in temperature) = 10°C.
  • Step 3: Substitute the values into the formula: c = 500 J / (2 kg * 10°C).
  • Step 4: Calculate the denominator: 2 kg * 10°C = 20 kg°C.
  • Step 5: Divide the heat by the result from Step 4: c = 500 J / 20 kg°C.
  • Step 6: Perform the division: 500 J / 20 kg°C = 25 J/kg°C.
  • Step 7: Conclude that the specific heat capacity of the substance is 25 J/kg°C.
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