A fuel-air mixture is placed in a cylinder fitted with a piston.The original volume is 0.310-L.When the mixture is ignited,gases are produced and 935 J of energy is released.To what volume will the gases expand against a constant pressure of 635 mmHg,if all the energy released is converted to work to push the piston?

Question

Quizplus · Accepted Answer

To find the volume, use the work formula: W = -PΔV. Convert pressure to atm (635 mmHg = 0.835 atm) and energy to L·atm (935 J = 9.25 L·atm). Solve for ΔV: ΔV = W/P = 9.25 L·atm / 0.835 atm = 11.08 L. Add the initial volume: 0.310 L + 11.08 L = 11.39 L, which rounds to 11.4 L.

A Fuel-Air Mixture Is Placed in a Cylinder Fitted with a Piston.The