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Al2O3 + 6 H = 2 Al + 3 H2O
NaI + (CH3COO)2Pb = PbI2 + Na2(CH3COO)2 =>
2 NaI + (CH3COO)2Pb = PbI2 + Na2(CH3COO)2
H2SO4 + NaPO4 = H2PO4 + NaSO4 =>
H2SO4 + NaPO4 = H2PO4 + NaSO4
Fe + KO2 = K3FeO4 + O2 =>
Fe + 3 KO2 = K3FeO4 + O2
CH3OH + O2 = CHCO + H2O =>
8 CH3OH + 5 O2 = 4 CHCO + 14 H2O
Ca(s) + Nb(NO3)3(aq) = Ca(NO3)2(aq) + Nb(s) =>
3 Ca(s) + 2 Nb(NO3)3(aq) = 3 Ca(NO3)2(aq) + 2 Nb(s)
H2 + Se = H6Se =>
3 H2 + Se = H6Se
(a)C2H6(g) + O2(g) = CO2(g) + H2O(g) =>
2(a)C2H6(g) + 7 O2(g) = 4 CO2(g) + 6 H2O(g)
Fe(NO3)3 + Ag = Fe + AgNO3 =>
Fe(NO3)3 + 3 Ag = Fe + 3 AgNO3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Fe(OH)2 + HCl = FeCl2 + H2O =>
Fe(OH)2 + 2 HCl = FeCl2 + 2 H2O
C13H10 + Na2Cr2O7 + H{+} = C13H8O + Cr{3+} + Na{+} + H2O =>
3 C13H10 + 2 Na2Cr2O7 + 16 H{+} = 3 C13H8O + 4 Cr{3+} + 4 Na{+} + 11 H2O
Cu3N2 + Na2CO3 = CuCO3 + Na3N =>
Cu3N2 + 3 Na2CO3 = 3 CuCO3 + 2 Na3N
LiH(s) + BF3(g) = LiBF4(s) + B2H6(g) =>
6 LiH(s) + 8 BF3(g) = 6 LiBF4(s) + B2H6(g)
HOCl + H2S = S + H2O + HCl =>
HOCl + H2S = S + H2O + HCl
Ba + HSO3 = Ba(HSO3)2 =>
Ba + 2 HSO3 = Ba(HSO3)2
KFeO2 + HCl = KCl + FeCl3 + H2O =>
KFeO2 + 4 HCl = KCl + FeCl3 + 2 H2O
CuCl + H2O + O2 = Cu(OH)Cl =>
4 CuCl + 2 H2O + O2 = 4 Cu(OH)Cl
C8H7N + HNO3 = C8H8N2O3 =>
C8H7N + HNO3 = C8H8N2O3
Cl2 + Li2S = LiCl + S2 =>
2 Cl2 + 2 Li2S = 4 LiCl + S2
Mg + ClO = Mg(ClO) =>
Mg + ClO = Mg(ClO)
Fe + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3 = Fe(NO3)3 + NO + 2 H2O
Potassium + water = potassiumhydroxide + hydrogen =>
2 K + 2 H2O = 2 KOH + H2
FeSO4 + H2SO4 + KMnO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
10 FeSO4 + 8 H2SO4 + 2 KMnO4 = K2SO4 + 2 MnSO4 + 5 Fe2(SO4)3 + 8 H2O
K3(Fe(CN)6) + HCl = K3(Fe(CN)6)HCl =>
K3(Fe(CN)6) + HCl = K3(Fe(CN)6)HCl
MgOHCl = MgCl2 + MgO + H2O =>
2 MgOHCl = MgCl2 + MgO + H2O
Ca + H(C2H3O2) = Ca(C2H3O2) + H2 =>
2 Ca + 2 H(C2H3O2) = 2 Ca(C2H3O2) + H2
Al + BaOH + H2O = BaAl(OH)4 + H2 =>
2 Al + 2 BaOH + 6 H2O = 2 BaAl(OH)4 + 3 H2
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
K2SO4 + Sr(NO3)2 = K2NO3 + Sr(SO4)2 =>
2 K2SO4 + Sr(NO3)2 = 2 K2NO3 + Sr(SO4)2
AgNo3 + Na2CO3 = Ag2CO3(s) + NaNo3 =>
2 AgNo3 + Na2CO3 = Ag2CO3(s) + 2 NaNo3
hydrogensulfide + sulfuricacid = sulfurdioxide + water =>
H2S + 3 H2SO4 = 4 SO2 + 4 H2O
MgSO4 + HNO3 = Mg(NO3)2 + H2 + SO4 =>
MgSO4 + 2 HNO3 = Mg(NO3)2 + H2 + SO4
Hf + MoO3 = HfO2 + Mo =>
3 Hf + 2 MoO3 = 3 HfO2 + 2 Mo
Na + HOH = NaOH + H23 =>
23 Na + 23 HOH = 23 NaOH + H23
C6H5CH2CH3 + KMnO4 + H2SO4 = C6H5COOH + MnSO4 + K2SO4 + H2O =>
35 C6H5CH2CH3 + 54 KMnO4 + 81 H2SO4 = 40 C6H5COOH + 54 MnSO4 + 27 K2SO4 + 136 H2O
Ca3(PO4)2 + HNO3 = Ca(NO3)2 + PO4 + H2 =>
Ca3(PO4)2 + 6 HNO3 = 3 Ca(NO3)2 + 2 PO4 + 3 H2
H2O + MnCl2 + NH3 = Mn(OH)2 + NH4Cl =>
2 H2O + MnCl2 + 2 NH3 = Mn(OH)2 + 2 NH4Cl
H4As2O7 + Hg(OH)2 = Hg2As2O7 + H2O =>
H4As2O7 + 2 Hg(OH)2 = Hg2As2O7 + 4 H2O
K + H2SO4 = K2SO4 + S + H2O =>
6 K + 4 H2SO4 = 3 K2SO4 + S + 4 H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
C8H10 + KMnO4 + H2SO4 = C6H4(COOH)2 + K2SO4 + MnSO4 + H2O =>
5 C8H10 + 12 KMnO4 + 18 H2SO4 = 5 C6H4(COOH)2 + 6 K2SO4 + 12 MnSO4 + 28 H2O
Al2O3 + LiOH + H2O = Li[Al(OH)4] =>
Al2O3 + 2 LiOH + 3 H2O = 2 Li[Al(OH)4]
K[Cr(OH)4] + HNO3 = KNO3 + Cr(OH)3 + H2O =>
K[Cr(OH)4] + HNO3 = KNO3 + Cr(OH)3 + H2O
H2S + Ca(OH)2 = Ca(HS)2 + H2O =>
2 H2S + Ca(OH)2 = Ca(HS)2 + 2 H2O
Al + K2Cr2O7 + H2SO4 = Al2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
2 Al + K2Cr2O7 + 7 H2SO4 = Al2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
Ba + NO3 = Ba(NO3)2 =>
Ba + 2 NO3 = Ba(NO3)2
SnO2* + H2* = Sn + H2*O =>
SnO2* + 2 H2* = Sn + 2 H2*O
(NH4)3PO4 + Ca(OH)2 = Ca + PO43 + NH3 + H2O =>
2(NH4)3PO4 + 81 Ca(OH)2 = 81 Ca + 2 PO43 + 6 NH3 + 84 H2O
CaCO3 + MnO = CaMnO3 + C + O3 =>
3 CaCO3 + 3 MnO = 3 CaMnO3 + 3 C + O3
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