Methane combusts according to the following thermochemical equation: CH4 + 2O2. CO2 + 2H2O + 891 kJ How grams of methane are burned to produce 500 kJ?

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.