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H3BO3 + 3 NaOH = Na3BO3 + 3 H2O
CoI2(aq) + K2CO3(aq) = CoCO3(s) + KI(aq) =>
CoI2(aq) + K2CO3(aq) = CoCO3(s) + 2 KI(aq)
C4H10O2 + Na = C4H9O2Na + H2 =>
2 C4H10O2 + 2 Na = 2 C4H9O2Na + H2
Fe + Al3 = FeAl =>
3 Fe + Al3 = 3 FeAl
P + O2 = P4O10 = H3PO4 =>
4 P + 5 O2 = P4O10
Zn(NO3)2 + H2SO4 = Zn(SO4)2 + H2NO3 =>
Zn(NO3)2 + 2 H2SO4 = Zn(SO4)2 + 2 H2NO3
KH2PO4 + Mo(OH)3 = H(OH) + MoPO4 + K3PO4 =>
3 KH2PO4 + 2 Mo(OH)3 = 6 H(OH) + 2 MoPO4 + K3PO4
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
CaSO4(S) + C(S) = CaO(S) + CO2(g) + SO2(g) =>
4 CaSO4(S) + C(S) = 4 CaO(S) + CO2(g) + 5 SO2(g)
F + RbCl = RbF + Cl2 =>
2 F + 2 RbCl = 2 RbF + Cl2
Cl2 + Ca(OH)2 = CaCl2 + H2O + Ca(ClO3)2 =>
6 Cl2 + 6 Ca(OH)2 = 5 CaCl2 + 6 H2O + Ca(ClO3)2
AgNO3 + CaBr2 = AgBr2 + CaNO3 =>
AgNO3 + CaBr2 = AgBr2 + CaNO3
(NH4)2S + Cu(NO3)2 = CuS + NH4NO3(aq) =>
(NH4)2S + Cu(NO3)2 = CuS + 2 NH4NO3(aq)
CaCl2(aq) + AgNO3(aq) = Ca(NO3) + AgCl2(s) =>
CaCl2(aq) + AgNO3(aq) = Ca(NO3) + AgCl2(s)
KBr + H2SO4 + MnO2 = KHSO4 + MnSO4 + Br2 + H2O =>
2 KBr + 3 H2SO4 + MnO2 = 2 KHSO4 + MnSO4 + Br2 + 2 H2O
C = C4 =>
4 C = C4
KI + NaOCl = KCl + NaOI =>
KI + NaOCl = KCl + NaOI
NaOH + H2(g)SO4(g) = Na2(g)SO4(g) + H2(g)O =>
2 NaOH + H2(g)SO4(g) = Na2(g)SO4(g) + 2 H2(g)O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Mo2O + KMnO4 + H2SO4 = MoO3 + MnSO4 + K2SO4 + H2O =>
Mo2O + 2 KMnO4 + 3 H2SO4 = 2 MoO3 + 2 MnSO4 + K2SO4 + 3 H2O
NH4CO3 + NaOH = NaCO3 + H2O + NH3 =>
NH4CO3 + NaOH = NaCO3 + H2O + NH3
Fe2O3 + CO2 = Fe2CO5 =>
Fe2O3 + CO2 = Fe2CO5
POF3 = O2 + F + P =>
2 POF3 = O2 + 6 F + 2 P
CaS + Na2SO4 = CaSO4 + Na2S =>
CaS + Na2SO4 = CaSO4 + Na2S
C6H12 + O2 = CO2 + H201 =>
67 C6H12 + 402 O2 = 402 CO2 + 4 H201
O3 + F = O2 + OF =>
O3 + F = O2 + OF
KOH + HClO2 = KCl + H2O + O2 =>
KOH + HClO2 = KCl + H2O + O2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
copper + nitricacid = nitrogendioxide + water + copper(II)nitrate =>
Cu + 4 HNO3 = 2 NO2 + 2 H2O + Cu(NO3)2
Sn4 + HCl = SnCl4 + H =>
Sn4 + 16 HCl = 4 SnCl4 + 16 H
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
H + NaOH = HNaOH =>
H + NaOH = HNaOH
Ba(s) + H2SO4(aq) = BaSO4(aq) + SO2(g) + H2O(l) =>
Ba(s) + 2 H2SO4(aq) = BaSO4(aq) + SO2(g) + 2 H2O(l)
NaOH + ReO2 = Na2ReO3 + H2O =>
2 NaOH + ReO2 = Na2ReO3 + H2O
Cu(OH)2(s) + H2SO4(aq) = CuSO4(s) + H2O(l) =>
Cu(OH)2(s) + H2SO4(aq) = CuSO4(s) + 2 H2O(l)
NaAlSiO4 + Ca2Fe2O5 = NaAlO2 + Ca2SiO4 + CaFe2O4 =>
NaAlSiO4 + 2 Ca2Fe2O5 = NaAlO2 + Ca2SiO4 + 2 CaFe2O4
Ag2O = Ag + O6 =>
6 Ag2O = 12 Ag + O6
K2SO4Fe(NO3)3 = FeSO4K2(NO3)3 =>
K2SO4Fe(NO3)3 = FeSO4K2(NO3)3
FeSO4 + SCN = FeSCN + SO4 =>
FeSO4 + SCN = FeSCN + SO4
Zn + Pb(HSO4) = Pb + Zn(HSO4) =>
Zn + Pb(HSO4) = Pb + Zn(HSO4)
Hg + H{+} = Hg{+} + H2 =>
2 Hg + 2 H{+} = 2 Hg{+} + H2
I2(aq) + MgCl2(aq) = Cl2(aq) + MgI2(aq) =>
I2(aq) + MgCl2(aq) = Cl2(aq) + MgI2(aq)
Cr2O3 + KBrO3 + KOH = K2Cr2O7 + H2O + Br2 =>
5 Cr2O3 + 6 KBrO3 + 4 KOH = 5 K2Cr2O7 + 2 H2O + 3 Br2
Fe3O4 + HCl = FeCl + H2O + FeCl3 =>
2 Fe3O4 + 16 HCl = FeCl + 8 H2O + 5 FeCl3
HOCl = HCl + O2 =>
2 HOCl = 2 HCl + O2
Zn + OH{-} + H2O = Zn(OH)4{-} + H2 =>
2 Zn + 2 OH{-} + 6 H2O = 2 Zn(OH)4{-} + 3 H2
FeCl3 + H2SO4 + KI = FeSO4 + I2 + HCl + KSO4 =>
4 FeCl3 + 6 H2SO4 + 2 KI = 4 FeSO4 + I2 + 12 HCl + 2 KSO4
H2C2H4O4 + KOH = K2C2H4O4 + H2O =>
H2C2H4O4 + 2 KOH = K2C2H4O4 + 2 H2O
CH = C2H2 =>
2 CH = C2H2
Cu(OH)2 + HC1 = CuC2 + H2O =>
Cu(OH)2 + 2 HC1 = CuC2 + 2 H2O
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