How many miles of hydrogen are required to produce 14 grams of methane in the following reactions? Stoichiometry and work

What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water

Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory