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CaCO3 = Ca + CO3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Fe(OH)2 + KOH = FeO(OH) + H2O(aq) + K =>
Fe(OH)2 + KOH = FeO(OH) + H2O(aq) + K
C2O4{2-} + HNO2 + H{+} = CO2 + NO + H2O =>
C2O4{2-} + 2 HNO2 + 2 H{+} = 2 CO2 + 2 NO + 2 H2O
Zn + H2O = ZnO + H2 =>
Zn + H2O = ZnO + H2
NaI + HCl = NaCl + I2 + H2 =>
2 NaI + 2 HCl = 2 NaCl + I2 + H2
Cl2O7 + Na2O = NaClO4 =>
Cl2O7 + Na2O = 2 NaClO4
Fe2O3(s) + H2(g) = Fe(s) + H2O(l) =>
Fe2O3(s) + 3 H2(g) = 2 Fe(s) + 3 H2O(l)
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Ca(IO3)2 + KI + HCl = CaCl2 + KCl2 + I2 + H2O =>
2 Ca(IO3)2 + 10 KI + 24 HCl = 2 CaCl2 + 10 KCl2 + 7 I2 + 12 H2O
PbCO3 + HNO3 = Pb(NO3)2 + H2CO3 =>
PbCO3 + 2 HNO3 = Pb(NO3)2 + H2CO3
Na2CO3(aq) + Fe(NO3)3 = NaNO3(aq) + Fe2(CO3)3(s) =>
3 Na2CO3(aq) + 2 Fe(NO3)3 = 6 NaNO3(aq) + Fe2(CO3)3(s)
Ca(HCO3)2 + KOH = CaCO3 + H2O + K2CO3 =>
Ca(HCO3)2 + 2 KOH = CaCO3 + 2 H2O + K2CO3
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
BaCl2 + FeCl3 = BaCl3 + FeCl =>
2 BaCl2 + FeCl3 = 2 BaCl3 + FeCl
C6H12S + O2 = SO2 + CO2 + H2O =>
C6H12S + 10 O2 = SO2 + 6 CO2 + 6 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
CO2 + HNO3 + H3PO4 + H2O = C106H263O110N16P + O2 =>
106 CO2 + 16 HNO3 + H3PO4 + 122 H2O = C106H263O110N16P + 138 O2
CO3 + HCl = CO3Cl2 + H2 =>
CO3 + 2 HCl = CO3Cl2 + H2
Mg3(PO4)2 + Ba(OH)2 = Mg(OH)2 + Ba3(PO4)2 =>
Mg3(PO4)2 + 3 Ba(OH)2 = 3 Mg(OH)2 + Ba3(PO4)2
AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
Fe(OH)2 + KOH = FeO(OH) + H2O(aq) + K =>
Fe(OH)2 + KOH = FeO(OH) + H2O(aq) + K
As2O3 + H2O = AsO4 + H =>
As2O3 + 5 H2O = 2 AsO4 + 10 H
Al(OH)3 + H3PO4 = PAlO4 + H2O =>
Al(OH)3 + H3PO4 = PAlO4 + 3 H2O
Fe(s) + H2O(g) = Fe3O4(s) + H2(g) =>
3 Fe(s) + 4 H2O(g) = Fe3O4(s) + 4 H2(g)
Mn(NO3)2 + PbO2 + H2SO4 = PbSO4 + HNO3 + HMnO4 + H2O =>
2 Mn(NO3)2 + 5 PbO2 + 5 H2SO4 = 5 PbSO4 + 4 HNO3 + 2 HMnO4 + 2 H2O
Fe2O3(s) + H2(g) = Fe(s) + H2O(l) =>
Fe2O3(s) + 3 H2(g) = 2 Fe(s) + 3 H2O(l)
HgS + NaOH = Hg(OH) + NaS =>
HgS + NaOH = Hg(OH) + NaS
Sb2S3 + Fe = Sb + FeS =>
Sb2S3 + 3 Fe = 2 Sb + 3 FeS
ClO3 + SO3 = Cl + SO4 =>
ClO3 + 3 SO3 = Cl + 3 SO4
HC2H3O2(aq) + KOH(aq) = H2O(l) + KC2H3O2(aq) =>
HC2H3O2(aq) + KOH(aq) = H2O(l) + KC2H3O2(aq)
Fe(NO3)3 + NaOH + Cl2 = Na2FeO4 + NaNO3 + NaCl + H2O =>
2 Fe(NO3)3 + 16 NaOH + 3 Cl2 = 2 Na2FeO4 + 6 NaNO3 + 6 NaCl + 8 H2O
BeCl2 + PH3 = BePH3Cl2 =>
BeCl2 + PH3 = BePH3Cl2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
Cr(OH)3 + KClO3 + KOH = K2CrO4 + Cl + H2O =>
5 Cr(OH)3 + 3 KClO3 + 7 KOH = 5 K2CrO4 + 3 Cl + 11 H2O
K2Cr2O7 + NaOH = KOH + Na2Cr2O7 =>
K2Cr2O7 + 2 NaOH = 2 KOH + Na2Cr2O7
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
MnSO4*1H2O + NaF = H2O + MnF2 + Na2SO4 =>
MnSO4*1H2O + 2 NaF = H2O + MnF2 + Na2SO4
Cu(NO3)2 + NaOH = CuNa2 + OHNO3 =>
Cu(NO3)2 + 2 NaOH = CuNa2 + 2 OHNO3
Mg + HCl = Mg2Cl2 + H2 =>
2 Mg + 2 HCl = Mg2Cl2 + H2
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
copper + oxygen = copper(I)oxide =>
4 Cu + O2 = 2 Cu2O
Sr2 + HCl = SrCl + H2 =>
Sr2 + 2 HCl = 2 SrCl + H2
PbO + HCl = H2O + PbCl2 =>
PbO + 2 HCl = H2O + PbCl2
K4[Fe(CN)6] + Cl2 = K3[Fe(CN)6]KCl =>
2 K4[Fe(CN)6] + Cl2 = 2 K3[Fe(CN)6]KCl
KNO3 + C + S = K2S + N2 + CO2 =>
2 KNO3 + 3 C + S = K2S + N2 + 3 CO2
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
(NH4)2Cr2O7(s) = Cr2O3 + N + H2O =>
(NH4)2Cr2O7(s) = Cr2O3 + 2 N + 4 H2O
LiOH + BaBr2 = LiBr + BaH2O2 =>
2 LiOH + BaBr2 = 2 LiBr + BaH2O2
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