A Sample of Gas (1

question 65

Multiple Choice

A sample of gas (1.9 mol) is in a flask at 21 °C and 697 mm Hg.The flask is opened and more gas is added to the flask. The new pressure is 841 mm Hg and the temperature is now 26 °C.There are now ________ mol of gas in the flask.

• A)1.6
• B)2.3
• C)2.9
• D)3.5
• E)0.28

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Definitions:

Material A

This is a placeholder for a specific type of material, often used in examples or hypothetical manufacturing scenarios.

Production

The process of creating goods and services from various resources.

Materials A

A designation for a group of raw materials or components used in the manufacturing process of a product.

Pounds

A unit of weight commonly used in the United Kingdom and other countries that are part of the Imperial system; also refers to the British currency (GBP).