A balloon containing 546cm3 of air is heated from 0oC to 10oC. If the pressure is kept constant, what will be its volume at 10oC?
a
526cm3
b
546cm3
c
556cm
d
566cm3
e
819cm3
Explanation
Correct Option
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Discussions (3)
Castromande
11 years ago
The correct answer should be option D.
We're looking for the final volume{i.e the volume at 10¤C} and not the initial volume. Hence,the correct format should have been;
546/273=V2/283
and not V1/273=546/283.
Therefore,knowing already that V1=546cm^3, T1=0 273=273¤C, T2=10 273=283¤C, V2=?
Then,substituting;546/273=V2/283. V2=566cm^3 should be the right answer.
Chisol
2 years ago
This is amazing. Tge initial temperature is not ten, neither half of ten, but 0⁰c, because from 0⁰C it's temperature increased.
Chisol
2 years ago
V1/T1 =V2/T2
the initial temperature will be 0 + 273, and the final will be 283, so you can substitute the figures for the letters
