A car engine supplies joules of energy during the 10. seconds it takes to accelerate the car along a horizontal surface. What is the average power developed by the car engine while it is accelerating

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air