A 1078 G Sample of a Compound Containing Only Carbon,hydrogen,and Oxygen

question 45

Multiple Choice

A 1.078 g sample of a compound containing only carbon,hydrogen,and oxygen is burned in an excess of dioxygen,producing 2.451 g CO₂ and 1.003 g H₂O.What mass of oxygen is contained in the original sample?

• A) 0.2970 g
• B) 0.3531 g
• C) 1.373 g
• D) 1.447 g
• E) 0.07480 g

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Definitions:

High Hitch

A potentially dangerous tractor-to-trailer coupling condition in which the fifth wheel locking mechanism engages but the trailer kingpin sits on top of the jaws.

Aggressive Coupling

A connection strategy between two components designed to engage firmly and rapidly, often leading to higher wear and tear.

Pintle Hooks

A type of tow hitch that uses a pin and hook mechanism to connect trailers to towing vehicles, often used for heavy or industrial towing.

Hydraulic Buffers

Devices that use hydraulics to absorb energy from impacts or collisions, often used in industrial applications to reduce shock and vibrations.