Adventure Sports

help with chemistry homework please….?

i have to write a balanced equation for these reactions:

1. aluminum reacts with awueous hydrochloric acid to form hydrogen gas and awueous aluminum chloride

2. acetylene gas (C2H2) burns in a welding torch with oxygen to form carbon dioxide gas and water vapor

Please help and explain to me how to write these two reactions into chemical equations, thanks so much

1. aluminum (Al) reacts with aqueous (just means there’s no specific concentration) hydrochloric acid (HCl) to form hydrogen gas (H2) and aqueous aluminum chloride (AlCl3)
2Al + 6HCl -> 3 H2 + 2AlCl3

2. 2C2H2 + 4O2 -> 4CO2 + 2H2O

to balance, simply go back and forth, multiplying each compound until you have equal amounts of carbon, hydrogens, etc on each side of the arrow

good luck

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