Using formation values, calculate the H rxn for the combustion of 3 moles of methane (CH4). Write a balanced chemical equation. CH4= -74.81 kj/mol

CO2= -393.51 kj/mol

H2O= -285.83 kj/mol

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each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

answer///carbon;

i believe the answer is three water molecules