Could somebody please help me with these chemistry questions?

Could somebody please help me with these chemistry questions?



1. phosphorus (P4) + oxygen → diphosphorus pentoxide 
2. potassium hydroxide → potassium oxide + water 
3. aluminum + copper(II) nitrate → aluminum nitrate + 
copper 
4. pentane (C5H12) + oxygen → carbon dioxide + water 
5. ammonium dichromate → chromium(III) oxide + nitrogen 
+ water 
6. barium chloride + sodium hydroxide → sodium 
chloride + barium hydroxide 
7. nickel chlorate → nickel chloride + oxygen 
8. aluminum + hydrochloric acid → aluminum chloride + 
hydrogen





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