morganzahn16
31.01.2020 •
Chemistry
How much heat is required to raise the temperature of 1.248kg of gold from 22.0°c to 45.0°c(c=0.129j/g°c)
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Ответ:
= 3,702.816 Joules
Explanation:
Heat absorbed by water is equivalent to heat released by copper.
Heat absorbed is given by:
Q = mcΔT
where m is the mass, c is the specific capacity and ΔT is the change in temperature.
Mass = 1248 g
ΔT = 45°C - 22°C = 23°C
c = 0.129j/g°c
Heat = 1248 g × 23°C × 0.129j/g°C
= 3,702.816 Joules
Ответ: