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2 Fe2O3 + 3 C = 4 Fe + 3 CO2
COCl2(g) + H2O = HCl(a) + CO2(g) =>
COCl2(g) + H2O = 2 HCl(a) + CO2(g)
Cr(s) + S(l) = Cr2S3(s) =>
2 Cr(s) + 3 S(l) = Cr2S3(s)
H2SO3 + Ni(OH)2 = NiSO3 + H2O =>
H2SO3 + Ni(OH)2 = NiSO3 + 2 H2O
FeCo2O4 + Na = FeCo2O4Na =>
FeCo2O4 + Na = FeCo2O4Na
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C + O2 = CO2 =>
C + O2 = CO2
SrCO3 + NH4Cl = SrCl2 + (NH4)2CO3 =>
SrCO3 + 2 NH4Cl = SrCl2 + (NH4)2CO3
K + CuI2 = Cu + KI =>
2 K + CuI2 = Cu + 2 KI
SrCO3 + NH4Cl = SrCl2 + (NH4)2CO3 =>
SrCO3 + 2 NH4Cl = SrCl2 + (NH4)2CO3
H2O2 + CO(NH2)2 = CH6N2O3 =>
H2O2 + CO(NH2)2 = CH6N2O3
C + O2 = CO2 =>
C + O2 = CO2
Na2SO3(s) + H2SO4(l) = Na2SO4 + SO2(g) + H2O =>
Na2SO3(s) + H2SO4(l) = Na2SO4 + SO2(g) + H2O
H3PO4 + BaCl2 = Ba3(PO4)2 + HCl =>
2 H3PO4 + 3 BaCl2 = Ba3(PO4)2 + 6 HCl
C6H5CHO + K2Cr2O7 + H2SO4 = C6H5COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H5CHO + K2Cr2O7 + 4 H2SO4 = 3 C6H5COOH + Cr2(SO4)3 + K2SO4 + 4 H2O
OH + (SO3) = (SO4) + H2O =>
2 OH + (SO3) = (SO4) + H2O
Na + S = Na2S =>
2 Na + S = Na2S
Mg + H3O{+} = Mg{2+} + H2 + H2O =>
Mg + 2 H3O{+} = Mg{2+} + H2 + 2 H2O
K2SO4 + NaOH = KOH(s) + Na2SO4 =>
K2SO4 + 2 NaOH = 2 KOH(s) + Na2SO4
PH3 + P = P2H4 =>
4 PH3 + 2 P = 3 P2H4
Si3N4 + H2O = H2SiO3 + NH3 =>
Si3N4 + 9 H2O = 3 H2SiO3 + 4 NH3
NaOH + MnBr2 = NaBr + Mn(OH)2 =>
2 NaOH + MnBr2 = 2 NaBr + Mn(OH)2
Mg + Zn{2+} = Mg{2+} + Zn =>
Mg + Zn{2+} = Mg{2+} + Zn
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
H2SO4 = S2O6 + H2O =>
2 H2SO4 = S2O6 + 2 H2O
Al2O3 + H2 = Al + H2O =>
Al2O3 + 3 H2 = 2 Al + 3 H2O
K2CrO4 + Na2S + H2O = S + Cr(OH)3 + NaOH + KOH =>
2 K2CrO4 + 3 Na2S + 8 H2O = 3 S + 2 Cr(OH)3 + 6 NaOH + 4 KOH
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Fe(OH)3 + HNO3 = Fe(OHNO3)3 + H2 =>
2 Fe(OH)3 + 6 HNO3 = 2 Fe(OHNO3)3 + 3 H2
Xe + O2 = XeO3 =>
2 Xe + 3 O2 = 2 XeO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
H2S + VOSO4 + KOH = K2S2O3 + KVO3 + H2O =>
6 H2S + 8 VOSO4 + 22 KOH = 7 K2S2O3 + 8 KVO3 + 17 H2O
CH3Cl + Zn + H2O = CH4 + ZnOHCl =>
CH3Cl + Zn + H2O = CH4 + ZnOHCl
CH3CH2CH2CHOH + K2Cr2O7 + HCl = CH3CH2CH2COOH + KCl + CrCl3 + H2O =>
2 CH3CH2CH2CHOH + K2Cr2O7 + 8 HCl = 2 CH3CH2CH2COOH + 2 KCl + 2 CrCl3 + 5 H2O
Mg(OH)2NaOH = MgOHNa(OH)2 =>
Mg(OH)2NaOH = MgOHNa(OH)2
NaOH + H2 + CO3 = Na2CO3 + H2O =>
2 NaOH + H2 + CO3 = Na2CO3 + 2 H2O
BaCO3 + Fe2O3 + Co2O3 = Ba3Co2Fe24O41 + CO2 + O2 =>
6 BaCO3 + 24 Fe2O3 + 2 Co2O3 = 2 Ba3Co2Fe24O41 + 6 CO2 + O2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
(NH4)3PO4(aq) + Na2SO4 = (NH4)2SO4 + Na3PO4 =>
2(NH4)3PO4(aq) + 3 Na2SO4 = 3(NH4)2SO4 + 2 Na3PO4
CaS + Ag = Ca + Ag2S =>
CaS + 2 Ag = Ca + Ag2S
P4 + HCOONa = PH3 + Na2C2O4 =>
P4 + 12 HCOONa = 4 PH3 + 6 Na2C2O4
KCH3COO + NaOH = KOH + NaCH3COO =>
KCH3COO + NaOH = KOH + NaCH3COO
ZnS + Ba(OH)2 = Zn(OH)2 + BaS =>
ZnS + Ba(OH)2 = Zn(OH)2 + BaS
C2H6(g) + Br2(l) = C2H5Br(l) + HBr(g) =>
C2H6(g) + Br2(l) = C2H5Br(l) + HBr(g)
LiCO3 + CoSO4 = LiSO4 + CoCO3 =>
LiCO3 + CoSO4 = LiSO4 + CoCO3
Na2O + NaOH = Na3O2H =>
Na2O + NaOH = Na3O2H
PB(NO3)2 + Ni = PB + Ni(NO3)2 =>
PB(NO3)2 + Ni = PB + Ni(NO3)2
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