Question

C(s) + O2(g) = CO2(g)
This is the formula of a coal buring then why is the letter g and s is used in the bracet

Answer 1

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$<marquee direction="left">$it represents their stat.that is..

.................. g represent gas

.................. s represent solid

.................. and l represent liquid

Answer 2

Answer:

Explanation:g and s refers to stated of these  chemicals. carbon is in solid state, oxygen is in gaseous state and CO2 is in gaseous state. the states of these chemicals are always written in braces.