A Sealed Container Holds 0

question 44

Multiple Choice

A sealed container holds 0.020 moles of nitrogen (N₂) gas,at a pressure of 1.5 atmospheres and a temperature of 290 K.The atomic mass of nitrogen is 14.0 g/mol.The Boltzmann constant is 1.38 × 10^-23 J/K and the ideal gas constant is = .The mass density of the gas is closest to

• A) 0.90 kg/m³.
• B) 1.3 kg/m³.
• C) 1.8 kg/m³.
• D) 2.2 kg/m³.
• E) 2.6 kg/m³.

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Definitions:

Denominator Level

In cost accounting, it’s the level of activity used to allocate fixed costs to products or services, often representing the production capacity.

Budget Variance

This is the difference between the budgeted or planned amount of expense or revenue, and the actual amount incurred or received.

Standard Hours

The set amount of time expected to complete a job or task, often used for planning and assessing the efficiency of operations.

Volume Variance

The difference between the budgeted volume of production and the actual volume, which affects the fixed overhead costs.