When Acetylene Gas, C₂H₂, Burns, How Many Liters of O₂

question 63

Multiple Choice

When acetylene gas, C₂H₂, burns, how many liters of O₂ at STP are used for every 9.31 mol of acetylene burned? (Hint: Write the balanced equation for the reaction first.)

• A) 209 L
• B) 417 L
• C) 83.4 L
• D) 23.3 L
• E) 521 L

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Definitions:

Standard Normal Distribution

A normal distribution with a mean of 0 and a standard deviation of 1, used in Z-tests and other statistical analyses.

Symmetry

A characteristic where an object or design is made up of exactly similar parts facing each other or around an axis.

Unit of Measurement

A definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same quantity.

Modality

The number of peaks or high points in the frequency distribution of a dataset.