Ответ:
2K+Br2=2KBr
2CH4=C2H2+3H2
3Mg+H2=Mg3N2
Ag2O=2Ag+O2
H2+F2=2HF
Cr2O3+2Al=Al2O3+2Cr
2CuO+C=2Cu+CO2
MgCl2+2KOH=2KCl+Mg(OH)2
3CaBr+2K3PO4=6KBr+Ca3(PO4)2↓
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Ответ:
2K+Br2=2KBr
2CH4=C2H2+3H2
3Mg+H2=Mg3N2
Ag2O=2Ag+O2
H2+F2=2HF
Cr2O3+2Al=Al2O3+2Cr
2CuO+C=2Cu+CO2
MgCl2+2KOH=2KCl+Mg(OH)2
3CaBr+2K3PO4=6KBr+Ca3(PO4)2↓