PH-774

Specific heat capacity

Physics · Secondary 3 · Hard · Specific heat capacity

A kettle contains 1.5 kg of water at 25 °C. It is heated until the water reaches 85 °C. The specific heat capacity of water is 4200 J / (kg °C). Using the formula for specific heat capacity, calculate the increase in thermal energy of the water.

$3.8 \times 10^5\,\text{J}$
$3.8 \times 10^4\,\text{J}$
$1.1 \times 10^5\,\text{J}$
$9.5 \times 10^5\,\text{J}$

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