10th Edition
Steven S. Zumdahl + 2 others
Publisher: Cengage Learning
ISBN: 9781305957404


10th Edition
Steven S. Zumdahl + 2 others
Publisher: Cengage Learning
ISBN: 9781305957404


Chapter 10, Problem 113AE
Textbook Problem

Some of the physical properties of H2O and D2O are as follows:

Property H2O D2O
Density at 20°C (g/ml) 0.997 1.108
Boiling point (°C) 100.00 101.41
Melting point (°C) 0.00 3.79
H°vap(kJ/mol) 40.7 41.61
H°fus (kJ/mol) 6.02 6.3

Account for the differences. (Note: D is a symbol often used for 2H, the deuterium isotope of hydrogen.)

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