A relative density bottle of volume 50cm3 is completely filled with a liquid at 30oC. It is then heated to 80oC such that 0.75cm3 of the liquid is expelled. Calculate the apparent cubic expansivity of the liquid.
-
A.
0.00030k-1 -
B.
0.00032k-1 -
C.
0.01970k-1 -
D.
0.02030k-1
Correct Answer: Option A
Explanation
Ya = (frac{text{Vol. expelled}}{text{Vol. left x temp. change}} = frac{0.75}{49.25 times 50})
= 0.00030k-1