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ThermodynamicsMCQ

A 10.00 g piece of metal is heated to 80.00 ˚C and placed in 100.0 g of water at 23.00 ˚C. When the Thermodynamics Chemistry Question

Question

A 10.00 g piece of metal is heated to 80.00 ˚C and placed in 100.0 g of water at 23.00 ˚C. When the system has reached equilibrium the temperature of the water and metal are 23.50 ˚C. What is the identity of the metal? [Specific heat capacity of H2O = 4.184 J/g ˚C]

A.

Ag (Cp 0.236 J/g ˚C)

B.

Cu (Cp 0.385 J/g ˚C)

✓ Correct
C.

Fe (Cp 0.449 J/g ˚C)

D.

Al (Cp 0.901 J/g ˚C)

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