If 700 Joules of Heat Is Added to a System

question 55

Multiple Choice

If 700 Joules of heat is added to a system, while the system does 550 Joules, by how much does the internal energy increase?

• A) -1250 J
• B) -150 J
• C) 700 J
• D) 150 J
• E) 1250 J

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Definitions:

Break-even Point

The level of sales at which total revenues equal total costs, resulting in no net profit or loss.

Break-even

The moment total expenditure equals total earnings, resulting in neither a financial gain nor a loss.

Monthly Unit Sales

The total number of individual items or products sold by a business during a month.

Break Even

The moment when the sum of all expenses equals the sum of all revenues, eliminating any profit or loss.