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3.3 Exercise 3

Avg difficulty 2.5

When 1.00 g of ammonia boils at atmospheric pressure and −33.0°C,−33.0 ° \text{C}, its volume changes from 1.47 to 1130cm31130 \left( \text{cm}\right)^{3}. Its heat of vaporization at this pressure is 1.37×106J/kg.1.37 \times 10^{6} \text{J}/\text{kg} . What is the change in the internal energy of the ammonia when it vaporizes?

OpenStax University Physics Volume 2, 3.3 First Law of Thermodynamics, exercise 3

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Adapted from University Physics Volume 2 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 2. Imported at revision db44eb9.