psct7hpxwd psct7hpxwd 18-01-2023 Chemistry contestada What mass, in grams, of oxygen must be burned to release 267 kJ of heat? CH4 (g) + 2 O2 (g) --> CO2 (g) + 2 H2O (g) ∆Hrxn = ‒802.3 kJ/mol
