What Is $\Delta$ _rH° for the Following Phase Change?

A) 1121

question 43

Multiple Choice

What is $\Delta$ _rH° for the following phase change?

• A) 1121.58 kJ/mol-rxn
• B) 29.18 kJ/mol-rxn
• C) -1121.58 kJ/mol-rxn
• D) -29.18 kJ/mol-rxn
• E) 0 kJ/mol-rxn

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Definitions:

Variable Allowance

An adjustment in cost or time estimates to accommodate changes or variations that may occur in project planning or execution.

Allowance Factor

A factor or percentage added to an estimate to account for uncertain conditions, providing a margin for error or unforeseen costs.

Standard Time

The established amount of time it should take to complete a specific task or process.