Bottled gas for recreational vehicles contains propane, C3H8, and butane, C4H10.?
(question continued) Which molecules have the faster velocity?
if you help me thanks.
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(question continued) Which molecules have the faster velocity?
if you help me thanks.
v = SQRT (3RT/M)
Notice that the molecular mass of a gas is inversely proportional to the speed of the gas. Meaning, the heavier the gas, the slower is the gas speed. Therefore, C3H8 is faster than C4H10.
Calculation:
M (C3H8) = (12×3) + (1×8) = 44 grams/mol
M (C4H10) = (12×4) + (1×10) = 58 grams/mol