When fuel is burned in a cylinder equipped with a piston, the volume expands from 0.245 L to 1.280 L against an external pressure of 1.02 atm . In addition, 843 J is emitted as heat. What is ΔE for the burning of the fuel?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2

Why dose heating increase the speed at which a solution dissolved in water