In Which of the Following Processes Is ΔH = ΔE

question 60

Multiple Choice

In which of the following processes is ΔH = ΔE ?

• 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.

Grasp the concept of modifiers and how to correctly position them to avoid ambiguity.

Comprehend the structure and purpose of different types of sentences (simple, compound, complex, compound-complex).

Realize the importance of proper research and planning in the writing process.

Learn how to construct effective paragraphs through the use of topic sentences, supporting details, and transitional expressions.

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