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Please please please someone give me the answers to all of these our teacher is very bad at explaining things and we are all confused i really need the answers please

Please Please Please Someone Give Me The Answers To All Of These Our Teacher Is Very Bad At Explaining Things And We Are All Confused I Really Need The Answers class=

Answer :

Answer: #1 2Al + 2S - Al2S2

Explanation: You have to make sure there are 2 of each on each side