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:

Comparative Form

The syntactic construction used to compare two items, individuals, or states, often using "more" or the "-er" suffix.

Adjective

A part of speech that modifies, describes, or qualifies a noun or pronoun, providing more detail about it.

Adverb

A word that modifies verbs, adjectives, or other adverbs, expressing manner, place, time, or degree, and often ending in -ly in English.

Standards

Established norms or requirements in various fields that specify the criteria for products, services, or processes.