Calculate the amount of heat needed to raise 190.0 g of water vapor at 118 C to 150. C
1 answer:
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Answer: </h3>
12,281.6 Joules
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Explanation: </h3>
The amount of heat energy is calculated by multiplying the mass of a substance by its specific heat capacity and then by the change in temperature. In our case;
Mass of water vapor, m = 190.0 g
Change in temperature, Δt = 150°C - 118°C = 32°C
Taking the specific heat capacity of water vapor = 2.02 J/g°C
Therefore;
Amount of heat = 190.0 g × 2.02 J/g°C × 32°C
= 12,281.6 Joules
Hence, the amount of heat needed is 12,281.6 Joules
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