A 03423 G Sample of Pentane, C₅H₁₂, Was Burned in a a Bomb

question 32

Short Answer

A 0.3423 g sample of pentane, C₅H₁₂, was burned in a bomb calorimeter.The temperature of the calorimeter and the 1.000 kg of water contained therein rose from 20.22°C to 22.82°C.The heat capacity of the calorimeter is 2.21 kJ/°C.The heat capacity of water = 4.184 J/g·°C.How much heat was given off during combustion of the sample of pentane?

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Definitions:

Periodic Inventory System

An accounting method where inventory is physically counted at specific intervals to determine the cost of goods sold and ending inventory levels.

Gross Profit

The difference between sales revenue and the cost of goods sold, indicating how much a company earns from its core business activities before subtracting overheads.

Cost of Goods Available for Sale

The total cost of goods that a company has in its inventory and available for sale, including those purchased or manufactured.

Income Statement

A financial report that shows a company’s revenues and expenses over a period of time, leading to net profit or loss.