How much heat energy is needed to heat 300g of water from 10 degrees celsius to 50 degrees celsius
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Ответ:
There is 50.2 kJ heat need to heat 300 gram of water from 10° to 50°C
Explanation:
Step 1: Data given
mass of water = 300 grams
initial temperature = 10°C
final temperature = 50°C
Temperature rise = 50 °C - 10 °C = 40 °C
Specific heat capacity of water = 4.184 J/g °C
Step 2: Calculate the heat
Q = m*c*ΔT
Q = 300 grams * 4.184 J/g °C * (50°C - 10 °C)
Q = 50208 Joule = 50.2 kJ
There is 50.2 kJ heat need to heat 300 gram of water from 10° to 50°C
Ответ: