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Help me wit 7 , 8 , 9, 10
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Help me wit 7 , 8 , 9, 10

Help me wit 7 , 8 , 9, 10-example-1
User Dutts
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2Br2 + 2HOH –> 4HBr + O2

Na2S + 2HCl –> 2NaCl + H2S

2Cu + 2HNO3 –> 2CuNO3 + H2

C3H8 + 5O2 –> 3CO2 + 4HOH
User Jesse Aldridge
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