Thermo: Change in temp effect on volume of a steel container

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The discussion revolves around calculating the volume change of a steel container filled with carbon tetrachloride due to temperature increase. The average coefficient of volume expansion for carbon tetrachloride is given as 5.81 x 10^-4 (°C)^-1. The user initially attempted to apply the volume expansion formula but arrived at an incorrect result of 0.484 gallons, which was close to the correct answer. Ultimately, the user resolved the issue independently and expressed gratitude for any potential assistance. The conversation highlights the importance of correctly applying thermal expansion principles in practical scenarios.
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Homework Statement



The average coefficient of volume expansion for carbon tetrachloride is 5.81*10-4 (°C)-1. If a 49.0 gal steel container is filled completely with carbon tetrachloride when the temperature is 10.0°C, how much will spill over when the temperature rises to 27.0°C?

Homework Equations



ΔL = α*(original length)*ΔT


The Attempt at a Solution



I used this equation except instead of units of length, I substituted units of volume. So my final equation was:
ΔL = (5.81E-4 (°C)-1) * (49.0 gal) * (27°C - 10°C) = 0.484 gallons. This is incorrect, but within 10% of the correct answer. Not sure what I am doing wrong. Any help is greatly appreciated, Thank you!
 
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I have solved it - thanks anyway!
 
Thread 'Correct statement about size of wire to produce larger extension'

Thread 'Correct statement about size of wire to produce larger extension'

The answer is (B) but I don't really understand why. Based on formula of Young Modulus: $$x=\frac{FL}{AE}$$ The second wire made of the same material so it means they have same Young Modulus. Larger extension means larger value of ##x## so to get larger value of ##x## we can increase ##F## and ##L## and decrease ##A## I am not sure whether there is change in ##F## for first and second wire so I will just assume ##F## does not change. It leaves (B) and (C) as possible options so why is (C)...
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