A Closed 2

question 66

Multiple Choice

A closed 2.0-L container holds 3.0 mol of an ideal gas.If 180 J of heat is added,what is the change in internal energy of the system?
​

• A) zero
• B) 130 J
• C) 155 J
• D) 180 J
• E) ​230 J

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Definitions:

1-Bromoheptane

An organic compound consisting of a seven-carbon chain with a bromine atom attached to the first carbon.

Dieckman Cyclization

A chemical reaction used to form a ring by connecting the ends of a dicarbonyl compound using a base.

Acetoacetic Ester Synthesis

Acetoacetic ester synthesis is a method for creating carbon-carbon bonds, enabling the synthesis of ketones from acetoacetic ester through alkylation followed by decarboxylation.

Malonic Ester Synthesis

A carbon-carbon bond-forming reaction that uses malonic esters to synthesize carboxylic acids with various substituents.