The ΔE of a System That Releases 12

question 88

Multiple Choice

The ΔE of a system that releases 12.4 J of heat and does 4.2 J of work on the surroundings is ________ J.

• A)16.6
• B)12.4
• C)4.2
• D)-16.6
• E)-8.2

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Definitions:

Periodic Inventory System

A system in which inventory levels are updated in the accounting records on a periodic basis, typically at the end of an accounting period.

Physical Inventory

A detailed listing of merchandise on hand.

Perpetual Inventory System

A method that continuously updates inventory records to reflect sales, returns, and additions in real time.

Perpetual Inventory System

An inventory management system where stock levels are updated in real-time following each purchase or sale.