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Answer to Question #10573 in Physical Chemistry for adilene

Question #10573
A 1.6 g samlpe of metal that appears to be gold required 5.8 j of energy to make an 18 degrees celcius temerature change. is the metal pure gold?
Expert's answer
Q = m*s*dT
m(metal) = 1.6 g
dT = 18 C
s(metal) = Q/(m*dT) = 5.8 J /
(1.6 g * 18 C) = 0.201 J/(g*C)
The specific heat of gold is 0.13 J/(g*C).

Therefore the metal cannot be pure gold.

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