Heat and Work
How one can measure the energy transferred as heat and work in and out of a system.
Work
A common type of work associated by a chemical process is through gas expansion or compression.
Energy produced from the combustion of gasoline (petrol). Gasoline combustion is used to create expanding gases in the cylinders of your car's engine that push out the pistons. This motion is then translated into the motion of the car.
If the expansion is done constant pressure p∆V gives the work done. This is termed pressure-volume-work.
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