We are all familiar with the general principles of operation of an internal comb

Question

We are all familiar with the general principles of operation of an internal combustion engine: the combustion of fuel drives out the piston. It is possible to imagine engines that use reactions other than combustions, and we need to assess the work they can do. A chemical reaction takes place in a container of cross-sectional area 100.0 cm2; the container has a piston at one end. As a result of the reaction, the piston is pushed out through 8.00 cm against a constant external pressure of 95.0 kPa. Calculate the work done by the system in Joules.

Explanation / Answer

work = F*dis = 76 J

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