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4 Cr + 3 SnCl4 = 4 CrCl3 + 3 Sn
Ca{2+} + NH3 + H2O = Ca(OH)2 + NH4{+} =>
Ca{2+} + 2 NH3 + 2 H2O = Ca(OH)2 + 2 NH4{+}
Gold + sulfur = gold(iii)sulfide =>
2 Au + 3 S = Au2S3
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
Al(*OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(*OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Fe2O3 + P4O10 = FePO4 =>
2 Fe2O3 + P4O10 = 4 FePO4
N2H4(g) + H2O2(g) = N2(g) + H2O(g) =>
N2H4(g) + 2 H2O2(g) = N2(g) + 4 H2O(g)
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
K4[Fe(CN)6] + KMnO4 + H2SO4 = H2O + K2SO4 + K3(Fe(CN)6) + MnSO4 =>
5 K4[Fe(CN)6] + KMnO4 + 4 H2SO4 = 4 H2O + 3 K2SO4 + 5 K3(Fe(CN)6) + MnSO4
N2 + H2O = NH4NO2 =>
N2 + 2 H2O = NH4NO2
C2H4N4O4 + O2 = CO2 + H2O + N2 =>
C2H4N4O4 + O2 = 2 CO2 + 2 H2O + 2 N2
AgNO3 + (NH4)2S = Ag2S + NH4NO3 =>
2 AgNO3 + (NH4)2S = Ag2S + 2 NH4NO3
NiS + H2O2 + HCl = S + NiCl2 + H2O =>
NiS + H2O2 + 2 HCl = S + NiCl2 + 2 H2O
MgO(s) + SO2(g) = MgSO3(s) =>
MgO(s) + SO2(g) = MgSO3(s)
Cr2(SO4)3 + H2SO4 = Cr2(SO4)6 + H2O + SO2 =>
Cr2(SO4)3 + 6 H2SO4 = Cr2(SO4)6 + 6 H2O + 3 SO2
*C20H42 + O2 = CO2 + H2O =>
2*C20H42 + 61 O2 = 40 CO2 + 42 H2O
Fe + U2 = FeU3 =>
2 Fe + 3 U2 = 2 FeU3
Ag2SO4 + NaNO3 = Na2SO4 + AgNO3 =>
Ag2SO4 + 2 NaNO3 = Na2SO4 + 2 AgNO3
HCH2CHCO2 + OH = CH2CO2 + H2O =>
2 HCH2CHCO2 + 6 OH = 3 CH2CO2 + 4 H2O
MnO4 + NO2 + H2O = HNO3 + MnO2 =>
MnO4 + 4 NO2 + 2 H2O = 4 HNO3 + MnO2
(NH4)Cl + KOH = KCl + NH3 + H2O =>
(NH4)Cl + KOH = KCl + NH3 + H2O
H + Cl + O2 = HClO =>
2 H + 2 Cl + O2 = 2 HClO
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Zn + H2S2O7 = Zn2S2O7 + H2S + H2O =>
16 Zn + 9 H2S2O7 = 8 Zn2S2O7 + 2 H2S + 7 H2O
CH3COOH + CH4O = C3H6O2 + H2O =>
CH3COOH + CH4O = C3H6O2 + H2O
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
CH3COOH(aq)NaOH(aq) = CH3COONa(aq)H2O(l) =>
CH3COOH(aq)NaOH(aq) = CH3COONa(aq)H2O(l)
C16H8 + O2 = CO2 + H2O =>
C16H8 + 18 O2 = 16 CO2 + 4 H2O
K3PO4 + CaCl2 = Ca3(PO4)2(aq) + KCl(s) =>
2 K3PO4 + 3 CaCl2 = Ca3(PO4)2(aq) + 6 KCl(s)
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Na2CO3 = CO2 + Na2O =>
Na2CO3 = CO2 + Na2O
Na2CO3*10H2O + MgCl2*6H2O = NaCl + MgCO3 + H2O =>
Na2CO3*10H2O + MgCl2*6H2O = 2 NaCl + MgCO3 + 16 H2O
Fe(SCN)3 + FeCl3 = Fe + ClSCN =>
Fe(SCN)3 + FeCl3 = 2 Fe + 3 ClSCN
Mg2Si + O2 = SiO2 + Mg =>
Mg2Si + O2 = SiO2 + 2 Mg
NH3(g) + O2 = NO2 + H2O(l) =>
4 NH3(g) + 7 O2 = 4 NO2 + 6 H2O(l)
KOH + Bi = K + Bi2O3 + H2O =>
6 KOH + 2 Bi = 6 K + Bi2O3 + 3 H2O
Mg(OH)2(aq) + HCl(aq) = MgCl2(aq) + H2O(l) =>
Mg(OH)2(aq) + 2 HCl(aq) = MgCl2(aq) + 2 H2O(l)
Al(s) + HBr(aq) = AlBr3(aq) + H2(g) =>
2 Al(s) + 6 HBr(aq) = 2 AlBr3(aq) + 3 H2(g)
Sb + KOH = K3SbO3 + H2 =>
2 Sb + 6 KOH = 2 K3SbO3 + 3 H2
Pb + (PO4) = Pb3(PO4)2 =>
3 Pb + 2(PO4) = Pb3(PO4)2
Fe2O3 + BaO = BaFe2O4 =>
Fe2O3 + BaO = BaFe2O4
Pb{2+} + I{-) = PbI2 =>
Pb{2+} + 2 I{-) = PbI2
CH3COOH + NH4NO3 = CH3COONH4 + H2O + NO2 =>
6 CH3COOH + 7 NH4NO3 = 6 CH3COONH4 + 5 H2O + 8 NO2
Ca(No3)2 + KCl = CaCl2 + KNo3 =>
Ca(No3)2 + 2 KCl = CaCl2 + 2 KNo3
Na2CO3 = CO2 + Na2O =>
Na2CO3 = CO2 + Na2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
O2(g) + NO(g) = NO3(aq) =>
O2(g) + NO(g) = NO3(aq)
BaCl2 + (NH4)2Co3(ac) = BaCo3(s) + NH4Cl(ac) =>
BaCl2 + (NH4)2Co3(ac) = BaCo3(s) + 2 NH4Cl(ac)
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