In a Certain Process,500 Cal of Heat Are Supplied to a System

question 78

Multiple Choice

In a certain process,500 cal of heat are supplied to a system consisting of a gas confined in a cylinder.At the same time,500 J of work are done by the gas by expansion.The increase in thermal energy of the gas is approximately

• A)zero
• B)1.00 kJ
• C)1.59 kJ
• D)2.09 kJ
• E)2.59 kJ

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Definitions:

High-low Method

A technique used in accounting and finance to estimate variable and fixed costs based on the highest and lowest levels of activity.

Monthly Fixed Component

The portion of fixed costs, such as rent or salaries, that does not change with the volume of production or sales in a given month.

Lubrication Cost

The expense associated with maintaining machinery through oiling and greasing to ensure smooth operation.

Variable Lubrication Cost

A variable cost associated with the amount of lubrication needed for machinery in the manufacturing process, which varies with the level of production activity.