Consider a Process Carried Out on 1

question 16

Multiple Choice

Consider a process carried out on 1.00 mol of a monatomic ideal gas by the following two different pathways. The first pathway is A (3.00 atm, 20.0 L) to C (1.00 atm, 20.0 L) to D (1.00 atm, 50.0 L) ; and the second pathway is A (3.00 atm, 20.0 L) to B (3.00 atm, 50.0 L) to D (1.00 atm, 50.0 L) . In each case, the gas is taken from state A to state D.
-Calculate ΔH_ACD.

• A) -175 L•atm
• B) 175 L•atm
• C) -25 L•atm
• D) 25 L•atm
• E) none of these

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Definitions:

Major Structure

The most stable or predominant structure among several possible structures of a molecule.

Synthetic Steps

The individual chemical reactions performed in sequence to construct a complex molecule from simpler starting materials.

Transformation

The genetic alteration of a cell by the direct uptake and expression of DNA from its surroundings.

Oxidants

Chemical substances that have the ability to oxidize other substances, meaning they can accept electrons from another substance during a chemical reaction.