In Which of the Following Processes Is H =

question 64

Multiple Choice

In which of the following processes is H = E ?

• A) Two moles of ammonia gas are cooled from 325°C to 300°C at 1.2 atm.
• B) One gram of water is vaporized at 100°C and 1 atm.
• C) Two moles of hydrogen iodide gas react to form hydrogen gas and iodine gas in a 40-L container.
• D) Calcium carbonate is heated to form calcium oxide and carbon dioxide in a container with variable volume.
• E) One mole of solid carbon dioxide sublimes to the gas phase.

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Definitions:

Opportunity Cost

The cost of foregone alternatives; the value of the best alternative that is not chosen.

Leisure

Free time when individuals are not working, which can be used for rest, recreation, or personal activities.

Opportunity Cost

The worth of the best option that was given up to make a choice.

Leisure

Free time when one is not working or occupied; time available for ease, relaxation, and activities one enjoys.