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What is the mass of a material, whose specific heat capacity is 400 ~J / ( kg ^ C ) for a rise in temperature from 15^ C to 25^ C , when heat received is 20 kJ ?

Options

  1. A0.1 kg
  2. B1 kg
  3. C10 kg
  4. D5 kg

Correct answer

D. 5 kg

Step-by-step solution

Q = MS T aligned & m = Q S T & m = 20,000 400 10 & ~m =5 ~kg aligned

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