The specific heat of copper is 0.09 cal/g C° . How much heat will be required to increase the temperature of a piece of copper weighing 70 gm by 20 C° ?
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Answer:
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Explanation:
he correct answer is: 0.9 cal
Explanation:
The formula for the specific heat (s) is:
s = (q)/(m * ΔT) --- (1)
Where
s = Specific heat = 0.09 cal/g°C
m = mass (make sure it is in GRAMS) = 70g
ΔT = Change in temperature = 21° - 20° = 1°
q = Heat Energy = ?
Plug in the values in the Equation (1):
(1) => q = (70*1*0.09) = 6.3 cal
Explanation:
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Answer:
Explanation:
Explanation: Mass of copper block (m)=70gm
Temparature (t) = 20°C
Heat required (Q) = ?
Specific heat of copper (c) = 0.09cal/g°C
Q = m.t.c
=70×0.09×20
= 126 Cal.
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