Which Contains More Moles of Material: 80 Grams of Helium

question 11

Multiple Choice

Which contains more moles of material: 80 grams of helium gas (He,having atomic weight 4.0 g/mol) or 400 grams of argon gas (Ar,having atomic weight 40 g/mol) ?

• A) helium
• B) argon
• C) Both contain the same number of moles.

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Definitions:

Direct Labor Rate Variance

It's a measure used in cost accounting to determine the difference between the actual labor cost per hour and the expected (or standard) cost per hour.

Direct Labor Time Variance

The difference between the actual time taken to manufacture a product and the standard time expected, multiplied by the wage rate, indicating inefficiency or efficiency in production.

Standard Hours Per Unit

The predetermined amount of time expected to be required to produce one unit of a product under standard operating conditions.

Direct Materials Quantity Variance

The difference between the actual quantity of materials used in production and the standard quantity expected, multiplied by the standard cost per unit.