How is a reaction described when a chemical reaction uses up energy?PLZ HELP ASAP PLZ

Chemistry

1 answer:

alina1380 [7]2 years ago

6 0

Answer:

I would totally give ya the answer but it’ll take so long! So...what would help ya is if you look it up cuz that makes it sooo easy. Plus it’s an easy question to look up! :))

Explanation:

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If the volume of a gas increased from 2 to 6 L while the temperature was held constant, the pressure of the gas decreased by a factor of 3.

Explanation:

Boyle's law that says "The volume occupied by a given gaseous mass at constant temperature is inversely proportional to pressure." This means that if the pressure increases, the volume decreases, while if the pressure decreases, the volume increases.

Boyle's law is expressed mathematically as:

Pressure * Volume = constant

P * V = k

To obtain the proportionality factor k you must make the quotient:

$k=\frac{V2}{V1} =\frac{6 L}{2 L}$

k= 3

This means that if the volume of a gas increased from 2 to 6 L while the temperature was held constant, the pressure of the gas decreased by a factor of 3.

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