myleswatts1
22.07.2019 •
Physics
The specific heat of water is 4.2 j/c. if it takes 31,500 joules to heat to warm 750 g of water, what was the temperature change?
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Ответ:
where
m is the mass of the substance
the specific heat capacity
the increase in temperature
In our problem, the mass of the water is m=750 g, the specific heat is and the amount of heat supplied is , so if we re-arrange the previous formula we find the increase in temperature of the water:
Ответ:
(65,165) , (75,195)
(195 - 165)/(75-65)
30/10
3 pounds average rate of change
58.3*3 =174.9
Hope this helps!