Gas and oxygen gas are the

i think it is Synthesis Reaction because in a synthesis reaction one or more simple substances combine to form a more complex substance.

If there is two or more reactions yilding one product is another way to identify a synthesis reaction.

For the chemical equation for this synthesis reaction really looks like:

reactant +reactant = product

if im wrong correct me but have a blessed day/night

=)

c.

explanation:

the temperature of the gas, in k, not celsius.