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(NH4)2S + PbCl2 = 2 NH4Cl + PbS
NH4 + Cu(OH)2 = NH4OH + Cu =>
2 NH4 + Cu(OH)2 = 2 NH4OH + Cu
(CH3)2SO2 + NaOH + H2O = NaHSO4 + CH3OH + H2 =>
(CH3)2SO2 + NaOH + 3 H2O = NaHSO4 + 2 CH3OH + 2 H2
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
ZnBr2 + KMnO4 + HCl = KCl + MnCl2 + Br2 + ZnCl2 + H2O =>
5 ZnBr2 + 2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 5 Br2 + 5 ZnCl2 + 8 H2O
NaCl + Br2 = NaBr + Cl =>
2 NaCl + Br2 = 2 NaBr + 2 Cl
CO2 + CaCO3 = CaCO2CO3 =>
CO2 + CaCO3 = CaCO2CO3
ZnBr2 + KMnO4 + HCl = KCl + MnCl2 + Br2 + ZnCl2 + H2O =>
5 ZnBr2 + 2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 5 Br2 + 5 ZnCl2 + 8 H2O
Ni(OH)2 + Br2 = NiO(OH) + HBr =>
2 Ni(OH)2 + Br2 = 2 NiO(OH) + 2 HBr
KOH + Be + H2O = K2Be(OH)4 + H2 =>
2 KOH + Be + 2 H2O = K2Be(OH)4 + H2
C6H9O7 + NO3{-} + H{+} = CO2 + N2 + H2O =>
10 C6H9O7 + 38 NO3{-} + 38 H{+} = 60 CO2 + 19 N2 + 64 H2O
NH2 + O2 = N2 + H2O =>
2 NH2 + O2 = N2 + 2 H2O
CH3COOH + K2CO3 = CO2 + H2O + K(CH3COO) =>
2 CH3COOH + K2CO3 = CO2 + H2O + 2 K(CH3COO)
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
C2H6 + O2 = C2H4 + H2O =>
2 C2H6 + O2 = 2 C2H4 + 2 H2O
Pb + O2 + H2O = Pb(OH)2 =>
2 Pb + O2 + 2 H2O = 2 Pb(OH)2
ZnS + K4[Fe(CN)6] = Zn2[Fe(CN)6] + K2S =>
2 ZnS + K4[Fe(CN)6] = Zn2[Fe(CN)6] + 2 K2S
Mg(OH)2 + AgBr = Ag(OH) + MgBr2 =>
Mg(OH)2 + 2 AgBr = 2 Ag(OH) + MgBr2
Na2SCaO = CaSNa2O =>
Na2SCaO = CaSNa2O
BaOH2 + SO4 = BaSO4 + H2O =>
BaOH2 + SO4 = BaSO4 + H2O
Fe2O3(s) + Zn(s) = ZnO(s) + Fe(s) =>
Fe2O3(s) + 3 Zn(s) = 3 ZnO(s) + 2 Fe(s)
H2O2 + CH3COCH3 = C6H12O4 + H2O =>
2 H2O2 + 2 CH3COCH3 = C6H12O4 + 2 H2O
Cr2O7{-2} + H{+} + C2O4{-2} = Cr{+3} + CO2 + H2O =>
Cr2O7{-2} + 14 H{+} + 3 C2O4{-2} = 2 Cr{+3} + 6 CO2 + 7 H2O
Na2CO3 + HCl = NaCl + H2CO3 =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
S + NaBr = Br + Na2S =>
S + 2 NaBr = 2 Br + Na2S
H2CO3 + Co = H2 + Co(HCO3)2 =>
2 H2CO3 + Co = H2 + Co(HCO3)2
Li + Ca = Li8Ca =>
8 Li + Ca = Li8Ca
Mn(C2H3O2)2 + KCl = MnCl2 + CH3CO2K =>
Mn(C2H3O2)2 + 2 KCl = MnCl2 + 2 CH3CO2K
CO(g) + (H2)(g) = H2O(g) + (CH4)(g) =>
CO(g) + 3(H2)(g) = H2O(g) + (CH4)(g)
K(s) + I2(g) = KI(s) =>
2 K(s) + I2(g) = 2 KI(s)
O8 + H2O = O9H4 =>
7 O8 + 16 H2O = 8 O9H4
MgOH(s) + H2SO3(aq) = MgHSO3(aq) + H2O(l) =>
MgOH(s) + H2SO3(aq) = MgHSO3(aq) + H2O(l)
PbO + NaCl + H2O = PbCl(OH) + NaOH =>
PbO + NaCl + H2O = PbCl(OH) + NaOH
KCO + CaCl = KCl + COCa =>
KCO + CaCl = KCl + COCa
CH3CONHCH3 + HCl + H2O = CH3NH3Cl + CH3COOH =>
CH3CONHCH3 + HCl + H2O = CH3NH3Cl + CH3COOH
C9H7O4Na + HCl = C9H8O4 + NaCl =>
C9H7O4Na + HCl = C9H8O4 + NaCl
CaO(s) + Al(s) = Al2O3(s) + Ca(s) =>
3 CaO(s) + 2 Al(s) = Al2O3(s) + 3 Ca(s)
H2ONiCl2 = NiCl2 + H2O =>
H2ONiCl2 = NiCl2 + H2O
Cd + PbNO3 = Pb + CdNO3 =>
Cd + PbNO3 = Pb + CdNO3
PbO(s) + C = Pb(s) + CO2(g) =>
2 PbO(s) + C = 2 Pb(s) + CO2(g)
Mg + HCl(s) = MgCl(s) + H2(g) =>
2 Mg + 2 HCl(s) = 2 MgCl(s) + H2(g)
H{+} + helium = HeH{+} =>
H{+} + He = HeH{+}
N + Ar = NAr =>
N + Ar = NAr
KCl + NaNO3 = K(NO3) + NaCl =>
KCl + NaNO3 = K(NO3) + NaCl
CaCO3 + CH3COOH = CH3COOCa + H2O + CO2 =>
8 CaCO3 + 9 CH3COOH = 8 CH3COOCa + 6 H2O + 10 CO2
Mg + Cu2O = MgO + Cu =>
Mg + Cu2O = MgO + 2 Cu
Al4C3 + H3Cl3 = Al4Cl3 + CH =>
Al4C3 + H3Cl3 = Al4Cl3 + 3 CH
Al(NO3)3 + NH4Cl = AlCl + NH4(NO3)3 =>
Al(NO3)3 + NH4Cl = AlCl + NH4(NO3)3
C10H20 + O2 = CO2 + H2O =>
C10H20 + 15 O2 = 10 CO2 + 10 H2O
Fe(s) + H3PO4(aq) = FePO4 + H2 =>
2 Fe(s) + 2 H3PO4(aq) = 2 FePO4 + 3 H2
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