How much energy must be added to 2 mol h2o(g) to cause it to decompose into h2 and o2?

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Why protons do not repal in the nucleus

17) large amounts of very important metal titanium are made by reacting magnesium metal with titanium tetrachloride. titanium metal and magnesium chloride are produced. a) write the balanced equation for this reaction. b) how many kilograms of magnesium are required to produce 1.00 kilograms of titanium? ( show work, .)