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2 Cr2O3 + 4 CO = 4 CrCO + 3 O2
CH2ONa + H2O = CH2OH + NaOH =>
CH2ONa + H2O = CH2OH + NaOH
BaOHCl + H2O = Ba(OH)2 + HCl =>
BaOHCl + H2O = Ba(OH)2 + HCl
ZnCl2(ac) + AgNO3(ac) = Zn(NO3)2(ac) + AgCl(s) =>
ZnCl2(ac) + 2 AgNO3(ac) = Zn(NO3)2(ac) + 2 AgCl(s)
Cr + HI = CrI3 + H2 =>
2 Cr + 6 HI = 2 CrI3 + 3 H2
BaOH2 + K3PO4 = BaPO4 + K3OH2 =>
BaOH2 + K3PO4 = BaPO4 + K3OH2
H2S4 + NaOH = Na2S4 + H2O =>
H2S4 + 2 NaOH = Na2S4 + 2 H2O
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
ZnSO4 + NaOH = Zn(OH)2 + Na2(SO4) =>
ZnSO4 + 2 NaOH = Zn(OH)2 + Na2(SO4)
CaHCl = Ca(HCl) =>
CaHCl = Ca(HCl)
K2Cr2O7(aq) + SnCl2(aq) + HCl(aq) = CrCl3(aq) + SnCl4(aq) + KCl(aq) + H2O(l) =>
K2Cr2O7(aq) + 3 SnCl2(aq) + 14 HCl(aq) = 2 CrCl3(aq) + 3 SnCl4(aq) + 2 KCl(aq) + 7 H2O(l)
KNo3 + NaOH = KOH + NaNo3 =>
KNo3 + NaOH = KOH + NaNo3
NaHCO3 + HC2O3H2 = NaC2O3H2 + H2CO3 =>
NaHCO3 + HC2O3H2 = NaC2O3H2 + H2CO3
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
CH3O(g) + O2(g) = CO2(g) + H2O(g) =>
4 CH3O(g) + 5 O2(g) = 4 CO2(g) + 6 H2O(g)
Cu(No3)2 + KI = CuI + I2 + KNo3 =>
2 Cu(No3)2 + 4 KI = 2 CuI + I2 + 4 KNo3
C2H5OH + KI = C2H5OHKI =>
C2H5OH + KI = C2H5OHKI
C2H5OH + K2Cr2O7 = CH3COOH + K + Cr + H2O =>
7 C2H5OH + 2 K2Cr2O7 = 7 CH3COOH + 4 K + 4 Cr + 7 H2O
C6H5MgBr + CrCl3 = (C6H5)5CrBr + MgBr2 + MgCl2 + CrCl2 =>
5 C6H5MgBr + 4 CrCl3 = (C6H5)5CrBr + 2 MgBr2 + 3 MgCl2 + 3 CrCl2
C60 = C27 =>
9 C60 = 20 C27
FeSO4 + K2C2O4 = K2SO4 + FeC2O4 =>
FeSO4 + K2C2O4 = K2SO4 + FeC2O4
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
K + P2 = KP =>
2 K + P2 = 2 KP
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
(NH4)2HPO4 + CuO = Cu3(PO4)2 + H2O + NH3 =>
2(NH4)2HPO4 + 3 CuO = Cu3(PO4)2 + 3 H2O + 4 NH3
Cr2O72{-} + S2{-} + H{+} = Cr3{+} + S + H2O =>
3 Cr2O72{-} + 427 S2{-} + 432 H{+} = 2 Cr3{+} + 854 S + 216 H2O
N3O6 = NO2 =>
N3O6 = 3 NO2
NaCl(aq) + Hg2(NO3)2(aq) = NaNO3(aq) + Hg2Cl2(s) =>
2 NaCl(aq) + Hg2(NO3)2(aq) = 2 NaNO3(aq) + Hg2Cl2(s)
K2CO3 + Ca(OH)2 = KOH + CaCO3 =>
K2CO3 + Ca(OH)2 = 2 KOH + CaCO3
NaHCO3(s) + C2H4O2(aq) = CO2 + H2O + NaC2H3O2 =>
NaHCO3(s) + C2H4O2(aq) = CO2 + H2O + NaC2H3O2
Mg + C = MgC =>
Mg + C = MgC
HCl + ZnS = ZnCl2 + H + S =>
2 HCl + ZnS = ZnCl2 + 2 H + S
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
CaCO3 + HBr = CaBr2 + H2O + CO2 =>
CaCO3 + 2 HBr = CaBr2 + H2O + CO2
Fe2O3 + CaS = Fe2S3 + CaO =>
Fe2O3 + 3 CaS = Fe2S3 + 3 CaO
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
KMnO4 + NaCl + H2SO4 = K2SO4 + MnSO4 + Na2SO4 + H2O + Cl2 =>
2 KMnO4 + 10 NaCl + 8 H2SO4 = K2SO4 + 2 MnSO4 + 5 Na2SO4 + 8 H2O + 5 Cl2
KCl + F2 = FCl2 + K =>
4 KCl + F2 = 2 FCl2 + 4 K
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
KMnO4 + H2SO4 + FeCl2 = Fe2(SO4)3 + HCl + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 18 H2SO4 + 10 FeCl2 = 5 Fe2(SO4)3 + 20 HCl + K2SO4 + 2 MnSO4 + 8 H2O
Fe + HCl(conc) = FeCl3 + H2 =>
2 Fe + 6 HCl(conc) = 2 FeCl3 + 3 H2
Zn + S2O4 = ZnS2O4 =>
Zn + S2O4 = ZnS2O4
CuCl2 + Zn(OH)2 = Cu(OH)2 + ZnCl2 =>
CuCl2 + Zn(OH)2 = Cu(OH)2 + ZnCl2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Na2SiO3 + HNo3 = H2SiO3 + NaNo3 =>
Na2SiO3 + 2 HNo3 = H2SiO3 + 2 NaNo3
MgCl2 + Ca(OH)2 = CaCl2 + Mg(OH)2 =>
MgCl2 + Ca(OH)2 = CaCl2 + Mg(OH)2
CrCl2 + I2 = CrCl3 + CrI3 =>
6 CrCl2 + 3 I2 = 4 CrCl3 + 2 CrI3
KCl + F2 = FCl2 + K =>
4 KCl + F2 = 2 FCl2 + 4 K
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