How many liters of H2O gas are produced when 7.25 liters of C3H8 are
burned at STP?
C3H8 + 5O2 → 3CO2 + 4H2O

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).

answerlinnaeus;