The molar heat of fusion of sodium metal is 2.60 kJ/mol, whereas its heat of vaporization is

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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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Chemistry

ISBN: 9781305957404

10th Edition

Authors: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

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