1. How much heat energy (in Joules) is required to raise the temperature of 10 g of water by 5 degrees Celsius? (Specific heat capacity of water = 4.18 J/g.C)
- A443.47
- B209
- C262.25
- D139.77
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Answer: B
Heat energy q = m x c x delta-T = 10 x 4.18 x 5 = 209 J.