The molar heat of fusion of sodium metal is 2.60 kJ/mol, whereas its heat of vaporization is
Question:
The molar heat of fusion of sodium metal is 2.60 kJ/mol, whereas its heat of vaporization is 97.0 kJ/mol.
a. Why is the heat of vaporization so much larger than the heat of fusion?
b. What quantity of heat would be needed to melt 1.00 g sodium at its normal melting point?
c. What quantity of heat would be needed to vaporize 1.00 g sodium at its normal boiling point?
d. What quantity of heat would be evolved if 1.00 g sodium vapor condensed at its normal boiling point?
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a It is because of the large contribution made by lattice energy at the melting point to ...View the full answer
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Related Book For
Chemistry
ISBN: 9781305957404
10th Edition
Authors: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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