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2 Nb + 6 H2O = 2 Nb(OH)3 + 3 H2
KH2PO4 + Ca(OH)2 = CaKPO4 + H2O =>
KH2PO4 + Ca(OH)2 = CaKPO4 + 2 H2O
BaCO3 + H2SO4 = BaSO4 + H2CO3 =>
BaCO3 + H2SO4 = BaSO4 + H2CO3
Na2H2P2O7 + NaOH = Na3PO4 + H2O =>
Na2H2P2O7 + 4 NaOH = 2 Na3PO4 + 3 H2O
HCl(g) + O2(g) = H2O(g) + Cl2(g) =>
4 HCl(g) + O2(g) = 2 H2O(g) + 2 Cl2(g)
SCl2 = S2Cl2 + Cl2 =>
2 SCl2 = S2Cl2 + Cl2
K3PO4 + HCl = KCl + H3PO4 =>
K3PO4 + 3 HCl = 3 KCl + H3PO4
HBr(aq) + NaOH(s) = NaBr(aq) + H2O(l) =>
HBr(aq) + NaOH(s) = NaBr(aq) + H2O(l)
Li2CO3 + H2O = LiOH + H2CO3 =>
Li2CO3 + 2 H2O = 2 LiOH + H2CO3
C6H5NH2 + H2O = C6H5NH4 + OH =>
C6H5NH2 + 2 H2O = C6H5NH4 + 2 OH
C3H7COOH + CaCO3 = C3H7COOCa + H2O + CO2 =>
21 C3H7COOH + 20 CaCO3 = 20 C3H7COOCa + 14 H2O + 24 CO2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ca(OH)2 + NO = CaNO2 + H2O =>
Ca(OH)2 + NO = CaNO2 + H2O
CH4 + CO2 + NH3 = C2H4N2 + H2O =>
3 CH4 + 5 CO2 + 8 NH3 = 4 C2H4N2 + 10 H2O
F2 + O2 = F2O =>
2 F2 + O2 = 2 F2O
Na2SO3(s) + HCl(aq) = NaCl + H2O + SO2(g) =>
Na2SO3(s) + 2 HCl(aq) = 2 NaCl + H2O + SO2(g)
(Au(OH)4){-} + N2H4 = Au + N2 + (OH){-} + H2O =>
4(Au(OH)4){-} + 3 N2H4 = 4 Au + 3 N2 + 4(OH){-} + 12 H2O
C12H26 = C + H2 =>
C12H26 = 12 C + 13 H2
Mg3(PO4)2 + K2O = K2(PO4)2 + Mg3O =>
Mg3(PO4)2 + K2O = K2(PO4)2 + Mg3O
Cu + HCl + KClO3 = H[CuCl2] + KCl + H2O =>
6 Cu + 12 HCl + KClO3 = 6 H[CuCl2] + KCl + 3 H2O
HCl + KMnO4 + Fe = MnCl3 + KCl + H2O + FeCl3 =>
24 HCl + 3 KMnO4 + 4 Fe = 3 MnCl3 + 3 KCl + 12 H2O + 4 FeCl3
NaOH + NaBr = Na + BrOH =>
NaOH + NaBr = 2 Na + BrOH
Fe2O3 + N2 = Fe + NO3 =>
2 Fe2O3 + N2 = 4 Fe + 2 NO3
Fe3O4 + HNO3 = Fe(NO3)3 + N2O + H2O =>
8 Fe3O4 + 74 HNO3 = 24 Fe(NO3)3 + N2O + 37 H2O
MnO4{-} + S2{-} + H2O = MnO2 + S8 + OH{-} =>
4 MnO4{-} + 12 S2{-} + 8 H2O = 4 MnO2 + 3 S8 + 16 OH{-}
C(s) + H2O = CO + H2(g) =>
C(s) + H2O = CO + H2(g)
Cl2 + MnI3 = MnCl3 + I2 =>
3 Cl2 + 2 MnI3 = 2 MnCl3 + 3 I2
RbO2 + CO = Rb2CO3 + O2 =>
2 RbO2 + CO = Rb2CO3 + O2
Zn(SO4) + Ag = Ag2(SO4) + Zn =>
Zn(SO4) + 2 Ag = Ag2(SO4) + Zn
Cr2(SO4)3 + NaOH + NaBiO3 = Na2CrO4 + Bi2O3 + Na2SO4 + H2O =>
2 Cr2(SO4)3 + 14 NaOH + 6 NaBiO3 = 4 Na2CrO4 + 3 Bi2O3 + 6 Na2SO4 + 7 H2O
Fe(HCO3)3 = Fe2O3 + CO2 + H2O =>
2 Fe(HCO3)3 = Fe2O3 + 6 CO2 + 3 H2O
P + O = P4O10 =>
4 P + 10 O = P4O10
NaHCO3 + Cl2 = NaCl + HClO + CO2 =>
NaHCO3 + Cl2 = NaCl + HClO + CO2
P + O = P4O6 =>
4 P + 6 O = P4O6
NH = N + H2 =>
2 NH = 2 N + H2
Al2(SO4)3 + Cu(NO3)2 = Al(NO3)3 + Cu(SO4) =>
Al2(SO4)3 + 3 Cu(NO3)2 = 2 Al(NO3)3 + 3 Cu(SO4)
NH2OH + H2SO4 = (NH3OH)2SO4 =>
2 NH2OH + H2SO4 = (NH3OH)2SO4
ReO2 + Cl2 + H2O = HReO4 + Cl{-} + H{+} =>
2 ReO2 + 3 Cl2 + 4 H2O = 2 HReO4 + 6 Cl{-} + 6 H{+}
Na2B4O7 + H2O = NaOH + H2B4O7 =>
Na2B4O7 + 2 H2O = 2 NaOH + H2B4O7
V + F2 = VF =>
2 V + F2 = 2 VF
KOH + C6H8O6 = KC6H8O6 + OH =>
KOH + C6H8O6 = KC6H8O6 + OH
CH3CH2OH + Li = Li(OH) + C2H5 =>
CH3CH2OH + Li = Li(OH) + C2H5
C3H8O3 + HCl = C3H7ClO2 + H2O =>
C3H8O3 + HCl = C3H7ClO2 + H2O
Ca + MgSO4 = Mg + CaSO4 =>
Ca + MgSO4 = Mg + CaSO4
LiBr + H2O = LiOH + BrH =>
LiBr + H2O = LiOH + BrH
HClO + H2SO4 = H2O + HClO4 + SO2 =>
HClO + 3 H2SO4 = 3 H2O + HClO4 + 3 SO2
KOH + H2Se = K2Se + HOH =>
2 KOH + H2Se = K2Se + 2 HOH
ZnCl2 + Na2CO3 + H2O = Zn2(OH)2CO3 + NaCl + CO2 =>
2 ZnCl2 + 2 Na2CO3 + H2O = Zn2(OH)2CO3 + 4 NaCl + CO2
Cu3 + HNO3 = Cu(NO3)2 + NO + H2O =>
Cu3 + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Pt + HBr = PtBr + H2 =>
2 Pt + 2 HBr = 2 PtBr + H2
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