Asked by Pat

1. A 500.0 g metal block absorbs 1.125 × 104 J of heat to raise its temperature by 50.0 K. What is the substance?

Answers

Answered by Count Iblis
The heat capacity per atom in a solid near room temperature is 3 k with k the Boltzmann constant. If you compute the heat capacity of the 500.0 g metal block, and divide that by 3 k, you get the number of atoms in tha block.

If you then divide the mass of 0.5000 kg by the number of atoms, you get the atomic mass.
Answered by Elena
Q=m•c•ΔT
c= Q/ m• ΔT = 1.125•10^4/0.5•50 =450 J/kg•K
This is specific heat of iron
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