Answer:

Explanation:
The quantity of moles of ethanol in the solution is:


The mass and volume of ethanol in the solution are, respectively:




The difference between the total volume of water and ethanol mixed to prepare the solution and the actual volume of solution is:


Answer:
DECREASE BY A FACTOR OF FOUR
Explanation:
Using pressure equation:
P 1 / T1 = P2 /T2 (at constant volume)
P1 = P
T1 =T
P2 = ?
T2 = 4 T
So therefore;
P2 = P1T1/ T2
P2 = P T/ 4 T
P2 = 1/4 P
The pressure is decreased by a factor of four, the new pressure is a quarter of the formal pressure of the gas.
Answer:
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Explanation:
just did it
Answer:
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