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2 B + 2 H2O = 2 BOH + H2
Cu(NO3)2 + K2S = CuS + K(NO3) =>
Cu(NO3)2 + K2S = CuS + 2 K(NO3)
Pd + HCl + HNO3 = PdCl2 + NO2 + H2O =>
Pd + 2 HCl + 2 HNO3 = PdCl2 + 2 NO2 + 2 H2O
Hg(NO3)2 + NaCl = HgCl2 + NaNO3 =>
Hg(NO3)2 + 2 NaCl = HgCl2 + 2 NaNO3
NiCl2(aq) + NaBr(aq) = NiBr2 + NaCl =>
NiCl2(aq) + 2 NaBr(aq) = NiBr2 + 2 NaCl
NaNO2 + H2O = Na2O + HNO2 =>
2 NaNO2 + H2O = Na2O + 2 HNO2
Ba(OH)NO3 + H2SO4 = BaSO4 + HNO3 + H2O =>
Ba(OH)NO3 + H2SO4 = BaSO4 + HNO3 + H2O
CH3OH + Na2Cr2O7 + H2SO4 = CH2O + Na2SO4 + Cr2(SO4)3 + H2O =>
3 CH3OH + Na2Cr2O7 + 4 H2SO4 = 3 CH2O + Na2SO4 + Cr2(SO4)3 + 7 H2O
CO2 + He = CO2He =>
CO2 + He = CO2He
Ba + NaOH = Ba(OH)2 + Na =>
Ba + 2 NaOH = Ba(OH)2 + 2 Na
Na2S + HClO = Na2SO4 + HCl =>
Na2S + 4 HClO = Na2SO4 + 4 HCl
H3PO4(s) = P2O5(s) + H2O(l) =>
2 H3PO4(s) = P2O5(s) + 3 H2O(l)
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
Me + H2O = Me(OH)2 + H2 =>
Me + 2 H2O = Me(OH)2 + H2
N2H4 + F2 = N2 + HF =>
N2H4 + 2 F2 = N2 + 4 HF
Ni(NO3)3(aq) + KBr(aq) = NiBr3(s) + KNO3(aq) =>
Ni(NO3)3(aq) + 3 KBr(aq) = NiBr3(s) + 3 KNO3(aq)
Na2S + CdSO4 = Na2SO4 + SCd =>
Na2S + CdSO4 = Na2SO4 + SCd
H3BO3 + Mg = Mg(BO3)2 + H2 =>
2 H3BO3 + Mg = Mg(BO3)2 + 3 H2
Tl2S + HNO3 = Tl(NO3)3 + NO2 + H2SO4 + H2O =>
Tl2S + 18 HNO3 = 2 Tl(NO3)3 + 12 NO2 + H2SO4 + 8 H2O
HCOOH + Mg = (HCOO)2Mg + H2 =>
2 HCOOH + Mg = (HCOO)2Mg + H2
H2PO4{-} + OH{-} = HPO4{2-} + H2O =>
H2PO4{-} + OH{-} = HPO4{2-} + H2O
NH2CONH2 + O2 = N2 + CO2 + H2O =>
2 NH2CONH2 + 3 O2 = 2 N2 + 2 CO2 + 4 H2O
CuSO4 + NH4OH = Cu(OH)2 + (NH4)2SO4 =>
CuSO4 + 2 NH4OH = Cu(OH)2 + (NH4)2SO4
(Ba(OH)2) + HBr = BaBr2 + H2O =>
(Ba(OH)2) + 2 HBr = BaBr2 + 2 H2O
NH3 + OH = NO2 + H2O =>
NH3 + 7 OH = NO2 + 5 H2O
Na3PO4 + H2O = NaOH + H3PO4 =>
Na3PO4 + 3 H2O = 3 NaOH + H3PO4
B2H9 + O2 = B2O3 + H2O =>
4 B2H9 + 15 O2 = 4 B2O3 + 18 H2O
S2O8{2-} + H2O = SO4{2-} + H2O2 + H{+} =>
S2O8{2-} + 2 H2O = 2 SO4{2-} + H2O2 + 2 H{+}
CH3COOH(aq) + NaHCO3(s) = CO2(g) + H2O(l) + NaCH3COO(aq) =>
CH3COOH(aq) + NaHCO3(s) = CO2(g) + H2O(l) + NaCH3COO(aq)
CH3CHO + I2 + NaOH = CHI3 + HCOONa + HI =>
CH3CHO + 3 I2 + NaOH = CHI3 + HCOONa + 3 HI
MgSO4 + NH3 + H2O = Mg(OH)2 + (NH4)2SO4 =>
MgSO4 + 2 NH3 + 2 H2O = Mg(OH)2 + (NH4)2SO4
Bi(NO3)3 + K2SnO2 + KOH = Bi + K2SnO3 + KNO3 + H2O =>
2 Bi(NO3)3 + 3 K2SnO2 + 6 KOH = 2 Bi + 3 K2SnO3 + 6 KNO3 + 3 H2O
Pb + CuCl2 = PbCl4 + Cu =>
Pb + 2 CuCl2 = PbCl4 + 2 Cu
I + O = I2O7 =>
2 I + 7 O = I2O7
H2C{-}CH2 + KMnO4 + KOH = CH2(OK){-}CH2(OK) + K2MnO2 + H2O =>
5 H2C{-}CH2 + KMnO4 + 6 KOH = 5 CH2(OK){-}CH2(OK) + K2MnO2 + 3 H2O
Zn(HO)2 + HCl = ZnCl2 + H2O =>
Zn(HO)2 + 2 HCl = ZnCl2 + 2 H2O
FeSO4 + K3[Fe(CN)6] = KFe[Fe(CN)6] + K2SO4 =>
FeSO4 + K3[Fe(CN)6] = KFe[Fe(CN)6] + K2SO4
Fe + CO = FeO + C =>
Fe + CO = FeO + C
MnO2 + H2O = Mn(OH)2 + O2 =>
2 MnO2 + 2 H2O = 2 Mn(OH)2 + O2
AgNO3 + FeSO4 = Fe2(SO4)3 + Fe(NO3)2 + Ag =>
2 AgNO3 + 3 FeSO4 = Fe2(SO4)3 + Fe(NO3)2 + 2 Ag
NaOH(aq) + MgCl2(aq) = NaCl(s) + Mg(OH)2(aq) =>
2 NaOH(aq) + MgCl2(aq) = 2 NaCl(s) + Mg(OH)2(aq)
Ag(s) + H2SO4(aq) = AgSO4(aq) + H2(g) =>
Ag(s) + H2SO4(aq) = AgSO4(aq) + H2(g)
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
H2S + HNO3 = H2SO4 + NO2 + H2O =>
H2S + 8 HNO3 = H2SO4 + 8 NO2 + 4 H2O
HCN + H2 = CH4 + NH3 =>
HCN + 3 H2 = CH4 + NH3
Ca(OH)2(s) + HCl(aq) = CaCl2(aq) + H2O(l) =>
Ca(OH)2(s) + 2 HCl(aq) = CaCl2(aq) + 2 H2O(l)
(CaO)3SiO2 + H2O = Ca3Si2O7(H2O)3 + Ca(OH)2 =>
2(CaO)3SiO2 + 6 H2O = Ca3Si2O7(H2O)3 + 3 Ca(OH)2
H{+} + OH{-} = H2O =>
H{+} + OH{-} = H2O
CH4O(l) + O2 = CO2 + H2O =>
2 CH4O(l) + 3 O2 = 2 CO2 + 4 H2O
CaSO3 + HNO3 = Ca(NO3)2 + H2SO3 =>
CaSO3 + 2 HNO3 = Ca(NO3)2 + H2SO3
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