you can use the following balanced reaction to prepare hydrogen gas: CaH2 + 2H2O = Ca(OH)2 + 2H2. how many grams of H2 will result from the reaction of 100g of CaH2 with excess H2O

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.