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2 Sc + 6 HCl = 2 ScCl3 + 3 H2
Fe(s) + H2SO4 + H2O = FeSO4*7H2O + H2(g) =>
Fe(s) + H2SO4 + 7 H2O = FeSO4*7H2O + H2(g)
Ba(NO3)2 + (NH4)2C2O4 = BaC2O4 + (NH4)NO3 =>
Ba(NO3)2 + (NH4)2C2O4 = BaC2O4 + 2(NH4)NO3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
Cu(OH)2 + SO4 = CuSO4 + OH =>
Cu(OH)2 + SO4 = CuSO4 + 2 OH
Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + 2 KNO3
Li + Sn(SO3)4 = Li2(SO3) + Sn =>
8 Li + Sn(SO3)4 = 4 Li2(SO3) + Sn
LiBr + NaI = LiI + NaBr =>
LiBr + NaI = LiI + NaBr
KMnO4 + CH3COOH = MnO2 + KOH + CO2 + H2O =>
8 KMnO4 + 3 CH3COOH = 8 MnO2 + 8 KOH + 6 CO2 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Na + FeBO3 = Fe + NaBO3 =>
Na + FeBO3 = Fe + NaBO3
HAsO2 + K2Cr2O7 + H2SO4 = H3AsO4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 HAsO2 + K2Cr2O7 + 4 H2SO4 = 3 H3AsO4 + Cr2(SO4)3 + K2SO4 + H2O
As + NaOH + H2O = NaAsO2 + H2 =>
2 As + 2 NaOH + 2 H2O = 2 NaAsO2 + 3 H2
CoCl2 + HgMnO4 = CoMnO4 + HgCl2 =>
CoCl2 + HgMnO4 = CoMnO4 + HgCl2
KMnO4 + NaOH + NaNO2 = K2MnO2 + Na2MnO2 + NaNO3 + H2O =>
2 KMnO4 + 2 NaOH + 5 NaNO2 = K2MnO2 + Na2MnO2 + 5 NaNO3 + H2O
Ca3(PO4)2 + Si(O2)4 + C = P + Ca(SiO3) + CO =>
Ca3(PO4)2 + 3 Si(O2)4 + 23 C = 2 P + 3 Ca(SiO3) + 23 CO
(CH3CO)2OH2O = CH3COOH =>
(CH3CO)2OH2O = 2 CH3COOH
Al + Br = Al3Br6 =>
3 Al + 6 Br = Al3Br6
Na + FeBO3 = Fe + Na(BO3)2 =>
Na + 2 FeBO3 = 2 Fe + Na(BO3)2
NaHSO4 + NaNO3 + NH3 = NH4NO3 + Na2SO4 =>
NaHSO4 + NaNO3 + NH3 = NH4NO3 + Na2SO4
BH3 + H2O = BH2{-} + H3O{+} =>
BH3 + H2O = BH2{-} + H3O{+}
Zn(NO3)2Sn = ZnSn(NO3)2 =>
Zn(NO3)2Sn = ZnSn(NO3)2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Na + FeBO3 = Fe + Na3BO3 =>
3 Na + FeBO3 = Fe + Na3BO3
P4 + H2O = H3PO4 + H2 =>
P4 + 16 H2O = 4 H3PO4 + 10 H2
Cl + CrBr3 = Br2 + CrCl3 =>
6 Cl + 2 CrBr3 = 3 Br2 + 2 CrCl3
C4H6Cl2 + O2 = CO2 + H2O + HCl =>
C4H6Cl2 + 5 O2 = 4 CO2 + 2 H2O + 2 HCl
Ca + HClO4 = Ca(ClO4) + H2 =>
2 Ca + 2 HClO4 = 2 Ca(ClO4) + H2
H2[SiF6]Mg = Mg[SiF6]H2 =>
H2[SiF6]Mg = Mg[SiF6]H2
Cu + HNO3 + H{+} = Cu{2+} + NO + H2O =>
3 Cu + 2 HNO3 + 6 H{+} = 3 Cu{2+} + 2 NO + 4 H2O
C4H6Cl2 + O2 = CCl4 + CO2 + H2O =>
2 C4H6Cl2 + 10 O2 = CCl4 + 7 CO2 + 6 H2O
Mg + CO4 = MgO + C =>
4 Mg + CO4 = 4 MgO + C
P2Sr = SrP2 =>
P2Sr = SrP2
Te + O = TeO =>
Te + O = TeO
Na2SO4 + H2O(s) = Na2SO4*10H2O(s) =>
Na2SO4 + 10 H2O(s) = Na2SO4*10H2O(s)
P4 + O2 = P4O7 =>
2 P4 + 7 O2 = 2 P4O7
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
Ba(NO3)2 + (NH4)2C2O4 = BaC2O4 + (NO3)2(NH4)2 =>
Ba(NO3)2 + (NH4)2C2O4 = BaC2O4 + (NO3)2(NH4)2
NaBr + HgNO3 = Hg2Br2 + NaNO3 =>
2 NaBr + 2 HgNO3 = Hg2Br2 + 2 NaNO3
H + N = NH3 =>
3 H + N = NH3
Mg(NO3)2 + Ag = AgNO3 + Mg =>
Mg(NO3)2 + 2 Ag = 2 AgNO3 + Mg
NH4OH(aq)KOH(aq) = KOH(aq)NH4OH(aq) =>
NH4OH(aq)KOH(aq) = KOH(aq)NH4OH(aq)
C2H7NO + H3PO4 = C2H10NO5P =>
C2H7NO + H3PO4 = C2H10NO5P
(NH4)2S + CrI2 = NH4I + CrS =>
(NH4)2S + CrI2 = 2 NH4I + CrS
O2 + N2H2 = N2 + H2O2 =>
O2 + N2H2 = N2 + H2O2
CrCl6 + Zn = CrCl3 + ZnCl2 =>
2 CrCl6 + 3 Zn = 2 CrCl3 + 3 ZnCl2
KHS + NaOH = K2S + NaHS + H2O =>
2 KHS + NaOH = K2S + NaHS + H2O
Pt + HBr = PtBr2 + H2 =>
Pt + 2 HBr = PtBr2 + H2
KNO3 + Na2CO3 = K2CO3 + NaNO3 =>
2 KNO3 + Na2CO3 = K2CO3 + 2 NaNO3
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