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2 Ca + I = Ca2I
SrCO3 + Mg = SrO + MgO + CO =>
SrCO3 + Mg = SrO + MgO + CO
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Ca(ClO)2 + MnSO4 + H2O = MnO2 + H2SO4 + CaCl2 =>
Ca(ClO)2 + 2 MnSO4 + 2 H2O = 2 MnO2 + 2 H2SO4 + CaCl2
BaAg2 + BaCd2Po + CdPo2 = BaAgCd2Po4 + Ba2Ag4Cd =>
8 BaAg2 + 2 BaCd2Po + 7 CdPo2 = 4 BaAgCd2Po4 + 3 Ba2Ag4Cd
C9H18 + KMnO4 + H2O = C9H20O2 + MnO2 + KOH =>
3 C9H18 + 2 KMnO4 + 4 H2O = 3 C9H20O2 + 2 MnO2 + 2 KOH
Br + CoI3 = CoBr3 + I =>
3 Br + CoI3 = CoBr3 + 3 I
V2O5(s) + HCl(aq) = VOCl3(s) + H2O(i) =>
V2O5(s) + 6 HCl(aq) = 2 VOCl3(s) + 3 H2O(i)
MgF2 + K3N = Mg3N2 + KF =>
3 MgF2 + 2 K3N = Mg3N2 + 6 KF
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
CO2(g) + KOH(l) = K2CO3(s) + H2O(l) =>
CO2(g) + 2 KOH(l) = K2CO3(s) + H2O(l)
C15H30(l) + O2(g) = CO2(g) + H2O(l) =>
2 C15H30(l) + 45 O2(g) = 30 CO2(g) + 30 H2O(l)
KCNS + K2Cr2O7 + H2SO4 = CO2 + NO2 + Cr2(SO4)3 + K2SO4 + H2O =>
2 KCNS + 5 K2Cr2O7 + 19 H2SO4 = 2 CO2 + 2 NO2 + 5 Cr2(SO4)3 + 6 K2SO4 + 19 H2O
KMnO4 + CH3CH2OH + HCl = CH3COOH + MnCl2 + KCl + H2O =>
4 KMnO4 + 5 CH3CH2OH + 12 HCl = 5 CH3COOH + 4 MnCl2 + 4 KCl + 11 H2O
Fe + C = Fe2C =>
2 Fe + C = Fe2C
Ba(NO3)2 + NaOH = BaNa + (NO3)2OH =>
Ba(NO3)2 + NaOH = BaNa + (NO3)2OH
Fe2(CO3)3 + Zn = ZnCO3 + Fe2 =>
Fe2(CO3)3 + 3 Zn = 3 ZnCO3 + Fe2
Cd3(PO4)2 + (NH4)2S = CdS + (NH4)3(PO4) =>
Cd3(PO4)2 + 3(NH4)2S = 3 CdS + 2(NH4)3(PO4)
Na + MgCr2O7 = Mg + Na2Cr2O7 =>
2 Na + MgCr2O7 = Mg + Na2Cr2O7
(NH4)2CO3 + CH3COONa = Na2CO3 + NH3 + CH3COOH =>
(NH4)2CO3 + 2 CH3COONa = Na2CO3 + 2 NH3 + 2 CH3COOH
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Zn + Cd = ZnCd =>
Zn + Cd = ZnCd
CH3CHCH2 + Cr2O7{2-} + H{+} = CH3COOH + Cr{3+} + H2O =>
2 CH3CHCH2 + 2 Cr2O7{2-} + 16 H{+} = 3 CH3COOH + 4 Cr{3+} + 8 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Mg(OH)2(aq) + HCl(aq) = MgCl2(aq) + H2O(l) =>
Mg(OH)2(aq) + 2 HCl(aq) = MgCl2(aq) + 2 H2O(l)
(NH4)2SO3 + Ca3(PO4)2 = CaSO3 + (NH4)3PO4 =>
3(NH4)2SO3 + Ca3(PO4)2 = 3 CaSO3 + 2(NH4)3PO4
NH4 + CrO4 = N + H2O + CrO =>
3 NH4 + 2 CrO4 = 3 N + 6 H2O + 2 CrO
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
NiS + H2O2 + HCl = S + NiCl2 + H2O =>
NiS + H2O2 + 2 HCl = S + NiCl2 + 2 H2O
PbS + Na2CO3 = Na2S + PbO + CO2 =>
PbS + Na2CO3 = Na2S + PbO + CO2
Cr2(SO3)3 + H2SO4 = Cr2(SO4)3 + SO2 + H2O =>
Cr2(SO3)3 + 3 H2SO4 = Cr2(SO4)3 + 3 SO2 + 3 H2O
CaCl2 + Li2C2O4 = LiCl + CaC2O4 =>
CaCl2 + Li2C2O4 = 2 LiCl + CaC2O4
Ne + H2O = NeO + H2 =>
Ne + H2O = NeO + H2
Cr2O7 + Fe2 + H{+} = Cr3{+} + Fe3{+} + H2O =>
3 Cr2O7 + 60 Fe2 + 42 H{+} = 2 Cr3{+} + 40 Fe3{+} + 21 H2O
B2(SO4)3 + Mg(OH)2 = B(OH)3 + MgSO4 =>
B2(SO4)3 + 3 Mg(OH)2 = 2 B(OH)3 + 3 MgSO4
Zn + CrSO4 = ZnSO4 + Cr =>
Zn + CrSO4 = ZnSO4 + Cr
NiS + H2O2 + HNO3 = H2O + Ni(NO3)2 + S =>
NiS + H2O2 + 2 HNO3 = 2 H2O + Ni(NO3)2 + S
SO3{2-} + Co(OH)2 = Co + SO4{2-} + H =>
2 SO3{2-} + Co(OH)2 = Co + 2 SO4{2-} + 2 H
C5H10O + K2Cr2O7 + H2SO4 = C5H8O + Cr + H2O + K2SO4 =>
6 C5H10O + K2Cr2O7 + H2SO4 = 6 C5H8O + 2 Cr + 7 H2O + K2SO4
Al + CaO + H2O = Ca(AlO2)2 + H2 =>
2 Al + CaO + 3 H2O = Ca(AlO2)2 + 3 H2
S2O3{2-} + NiO2 + H2O = SO3{2-} + Ni{2+} + OH{-} =>
S2O3{2-} + 2 NiO2 + H2O = 2 SO3{2-} + 2 Ni{2+} + 2 OH{-}
CH2CHCH2OH + KMnO4 + KOH = K2MnO4 + CH2(OH)CH(OH)CH2(OH) =>
CH2CHCH2OH + 2 KMnO4 + 2 KOH = 2 K2MnO4 + CH2(OH)CH(OH)CH2(OH)
Ca3N2 + H2S = CaS + H3N =>
Ca3N2 + 3 H2S = 3 CaS + 2 H3N
PbS + PbO = Pb + SO2 =>
PbS + 2 PbO = 3 Pb + SO2
FO + H2O = H2FO2 =>
FO + H2O = H2FO2
Fe + Cr2(SO4)3 = FeSO4 + Cr =>
3 Fe + Cr2(SO4)3 = 3 FeSO4 + 2 Cr
Fe + Ag3PO4 = Fe3(PO4)2 + Ag =>
3 Fe + 2 Ag3PO4 = Fe3(PO4)2 + 6 Ag
CH3SH + NaOH = CH3OH + Na2S + H2O =>
CH3SH + 2 NaOH = CH3OH + Na2S + H2O
CaS + HF = CaF2 + H2S =>
CaS + 2 HF = CaF2 + H2S
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