An average home in Colorado requires 20. GJ of heat per month. How many grams of natural gas (methane) must be burned to supply this energy?
CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) ΔH°rxn= –890.4 kJ/mol
(A) 1.4 x 103 g
(B) 3.6 x 105 g
(C) 7.1 x 10–4 g
(D) 2.2 x 104 g
(E) 1.4 x 104 g