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nalin [4]
3 years ago
13

PLEASE ANSWER

Chemistry
1 answer:
denis23 [38]3 years ago
4 0
The answer is A.
if the blocks are the same mass, then the amount of kinetic energy they would have depends on the height they were dropped from.
kinetic energy formula = 0.5 x mv^
where m = mass
v = velocity of object or the rate at which the object changes its position
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The volume of the gas has been, V= 0. 500 \;\rm  L

The temperature of the gas has been, T=15^\circ \text C\\&#10;T=288\;\rm K

Substituting the values for the moles of gas, <em>n:</em>

<em />

<em />\rm 1\;\times\; 0. 500 =\textit n\;\times\;0.08214\;atm.L/mol.K\;\times\;288\;K\\\\&#10;\textit n=\dfrac{0. 500}{0.08214\;\times\;288} \;mol\\\\&#10;\textit n=0.021\;mol

The moles of gas in the bottle has been 0.021 mol.

Learn more about ideal gas, here:
brainly.com/question/8711877

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