What mass (in grams) of octane, a component of gasoline, would you have to use in your car to produce 9.48 x 105 kj of energy?

How air particles exert a pressure on the inside of the balloon

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

Based on the equation and the information in the table, what is the enthalpy of the reaction?