Chemistry Practice Problems Entropy Practice Problems Solution: Calculate ΔSfus and ΔSvap for Na.

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Solution: Calculate ΔSfus and ΔSvap for Na.

Problem

Calculate ΔSfus and ΔSvap for Na.

Solution

We’re being asked to calculate the ΔSfus and ΔSvap for Na.

We can calculate the entropy (ΔS) using the following equation:

S=HT

ΔS = entropy, J/mol•K
ΔH = enthalpy, J
T = temperature, K

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