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Question
(a) Using data from Table 7.1, find the mass destroyed when the energy in a barrel of crude oil is released. (b) Given these barrels contain 200 liters and assuming the density of crude oil is $750 \textrm{ kg/m}^3$ , what is the ratio of mass destroyed to original mass, $\dfrac{\Delta m}{m}$?
1. $6.6 \times 10^{-8} \textrm{ kg}$
2. \$4.4 \times 10^{-10}. This small ratio is why mass changes are not noticed after chemical reactions.
Solution Video