What Is the Change in Internal Energy in Joules for a System

question 14

Multiple Choice

What is the change in internal energy in joules for a system that releases 154 J of heat and does 125 J of work on its surroundings?

• A) -29 J
• B) 279 J
• C) 29 J
• D) 1.23 J
• E) -279 J

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Definitions:

Accrued Receivables

Amounts owed to a business for goods or services delivered but not yet paid by the end of an accounting period.

Income Summary Account

An account used in closing to collect revenues and expenses, the balance of which shows the net income or loss for the period.

Debit Balance

A debit balance is an accounting entry that occurs on the left side of the ledger and indicates the amount of money owed or an increase in assets or expenses.

Net Income

The total profit of a company after all expenses and taxes have been deducted from revenues, indicating the company's profitability.