Объяснение:
2K+H2SO4=K2SO4+H2
4K+O2=2K2O
2K+2HCl=2KCl+H2
2K+S=K2S
6K+2H3PO4=2K3PO4+3H2
2K+Br2=2KBr
2K+2H2O=2KOH+H2
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Объяснение:
2K+H2SO4=K2SO4+H2
4K+O2=2K2O
2K+2HCl=2KCl+H2
2K+S=K2S
6K+2H3PO4=2K3PO4+3H2
2K+Br2=2KBr
2K+2H2O=2KOH+H2