discuss possible causes of differences in energy densities between the two materials (wood and charcoal) as well as sources of experimental error

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?