Of an Unknown Compound Containing Only Carbon and Hydrogen, 0

question 97

Multiple Choice

Of an unknown compound containing only carbon and hydrogen, 0.123 moles was found to stoichiometrically react with 0.246 moles of hydrogen gas.Based on these data, we know that the unknown compound must be

• A)an alkane.
• B)an alkene.
• C)an alkyne.
• D)either an alkane or an alkene.
• E)either an alkene or an alkyne.

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Definitions:

Centration

A cognitive limitation in early childhood, where a child focuses on one aspect of a situation while ignoring others.

Neural-Visual Network

A system in the brain that processes visual information, integrating it with neural signals for perception and understanding.

Numerical Understanding

The ability to comprehend, interpret, and work with numbers.

Intuitive Thought

Thinking that reflects preschoolers’ use of primitive reasoning and their avid acquisition of knowledge about the world.