Examlex
A sample of methane gas that contains Avogadro's number of molecules has a mass of ________.
Equivalent
Two expressions that have the same value or represent the same mathematical quantity.
Free-Falling Object
An object that is falling under the sole influence of gravity, with no forces like air resistance acting upon it.
Acceleration
The rate of change of velocity of an object with respect to time.
Portion
A part or section of a whole, often expressed as a fraction or percentage.
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