Which of the following shows that the combustion of methane produces 802 kJ/mol of energy?
A. CH_(g) + 2O2(g) + 802 kJ/mol → CO2(g) + 2H2O(g)
B. CH4(9) +202(g) → CO2(g) + 2H20(9) - 802 kJ/mol
OC. CH4(9) +202(g) → CO2(g) + 2H2O(g) + 802 kJ/mol
D. CH4(g) + 20 (g)
802kJ
CO2(g) + 2H2O(9)
SUBMIT

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy

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