The air of the ballon had a mass of 0.00320 kg , the temperature of the air in the ballon decreased bye 215*C , the change in thermal energy of the air in the ballon was 860 J , calculate the specific heat capacity of the air in the ballon ?

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