Q=mS∆T or S = Q/m∆T answer please
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Answered by
6
Explanation:
Q = mc∆T
Q = heat energy (Joules, J)
m = mass of a substance (kg)
c = specific heat (units J/kg∙K)
∆ is a symbol meaning "the change in"
∆T = change in temperature (Kelvins, K)
Q = mc∆T
Q =(0.100 kg)(129 J/kg∙K)(50.0 K)
Q = 645 J
The energy required to raise the temperature of the piece of gold is 645 J.
Answered by
5
For same change in temperature the amount of heat absorbed by a substance is directly proportional to its mass (m).
Q is proportional m(When ∆T is constant)----1
For the same mass of substance the change in temperature is proportional to the amount of heat absorbed by it.
Q is proportional ∆T(When m is constant)----2
From 1 and 2
Q is proportional to m∆T
Q = mS∆T
S = Q/m∆T
Where s is constant which is called specific heat .
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