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2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
CH3CH2CH2CH2CH3 + Br2 = CH3CH2CH2CH2CH2Br + HBr =>
CH3CH2CH2CH2CH3 + Br2 = CH3CH2CH2CH2CH2Br + HBr
Cr + HNO3 = Cr(NO3)3 + H2 =>
2 Cr + 6 HNO3 = 2 Cr(NO3)3 + 3 H2
H3(PO4) + Li2(SO3) = H2(SO3) + Li3(PO4) =>
2 H3(PO4) + 3 Li2(SO3) = 3 H2(SO3) + 2 Li3(PO4)
Na2B4O7 + Al2(SO4)3 + H2O = H3BO3 + Al(OH)3 + Na2SO4 =>
3 Na2B4O7 + Al2(SO4)3 + 21 H2O = 12 H3BO3 + 2 Al(OH)3 + 3 Na2SO4
NH4 + O2 = NH4NO3 + H2O =>
4 NH4 + 5 O2 = 2 NH4NO3 + 4 H2O
Na2HPO3 + NaOH = H3PO3 + Na + O2 =>
Na2HPO3 + 2 NaOH = H3PO3 + 4 Na + O2
Zn(s) + H2SO4(l) = ZnSO4(aq) + H(g) =>
Zn(s) + H2SO4(l) = ZnSO4(aq) + 2 H(g)
Al2O3 + C = C4Al + CO2 =>
2 Al2O3 + 19 C = 4 C4Al + 3 CO2
CaCO3 + C2H3O2 = Ca(C2H3O2)2 + CO2 + H2O =>
7 CaCO3 + 16 C2H3O2 = 7 Ca(C2H3O2)2 + 11 CO2 + 3 H2O
H + Sb2O5 = SbO + H2O =>
6 H + Sb2O5 = 2 SbO + 3 H2O
Al(No3)3 + NaOH = Na(Al(OH)4) + NaNo3 =>
Al(No3)3 + 4 NaOH = Na(Al(OH)4) + 3 NaNo3
C2H2 + Ag = Ag2C2 + H2 =>
C2H2 + 2 Ag = Ag2C2 + H2
Na2SO3 + Be3(PO4)2 = Na3PO4 + Be2(SO3)2 =>
6 Na2SO3 + 2 Be3(PO4)2 = 4 Na3PO4 + 3 Be2(SO3)2
MnO4{-} + As2S3 + OH{-} = AsO4{3-} + SO3{2-} + MnO2 + H2O =>
22 MnO4{-} + 3 As2S3 + 14 OH{-} = 6 AsO4{3-} + 9 SO3{2-} + 22 MnO2 + 7 H2O
NaOH(s) + CO2 = Na2CO3 + H2O =>
2 NaOH(s) + CO2 = Na2CO3 + H2O
ClCH2CO2H + NaOH = NaClCH2CO2 + H2O =>
ClCH2CO2H + NaOH = NaClCH2CO2 + H2O
Fe + NiCl3 = NiFe + Cl2 =>
2 Fe + 2 NiCl3 = 2 NiFe + 3 Cl2
F2 + CsH = CsF + H2 =>
F2 + 2 CsH = 2 CsF + H2
CU(s) + O2(g) = CUO(s) =>
2 CU(s) + O2(g) = 2 CUO(s)
Fe2O3 + Al = AlO + FeAl =>
Fe2O3 + 5 Al = 3 AlO + 2 FeAl
C6H14 + O2(g) = CO2 + H2O =>
2 C6H14 + 19 O2(g) = 12 CO2 + 14 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H2SO4 + Zn(CH3CH2)2 = ZnSO4 + HCH3CH2 =>
H2SO4 + Zn(CH3CH2)2 = ZnSO4 + 2 HCH3CH2
HNO3 + P2O5 = H3PO4 + N2O5 =>
6 HNO3 + P2O5 = 2 H3PO4 + 3 N2O5
C3H7NO2 + O2 = CO2 + H2O + NH3 =>
C3H7NO2 + 3 O2 = 3 CO2 + 2 H2O + NH3
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
TiCl4(g) + Na(s) = NaCl(s) + Ti(s) =>
TiCl4(g) + 4 Na(s) = 4 NaCl(s) + Ti(s)
Ga + HNO3 = Ga(NO3)3 + N2 + H2O =>
10 Ga + 36 HNO3 = 10 Ga(NO3)3 + 3 N2 + 18 H2O
(a)Fe + O2 = Fe2O3 =>
4(a)Fe + 3 O2 = 2 Fe2O3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Zn + HCI = ZnCI + H2 =>
2 Zn + 2 HCI = 2 ZnCI + H2
MgNH3 + Na2HPO4 = MgNH4PO4 + Na =>
MgNH3 + Na2HPO4 = MgNH4PO4 + 2 Na
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
Pb + Cr + O = PbCrO4 =>
Pb + Cr + 4 O = PbCrO4
Ca(C1O3)2 + GaF3 = Ga(C1O3)3 + CaF2 =>
3 Ca(C1O3)2 + 2 GaF3 = 2 Ga(C1O3)3 + 3 CaF2
C6H13COOH + O2 = C + H2O =>
2 C6H13COOH + 5 O2 = 14 C + 14 H2O
Al2O3 + NaOH = NaAlO2 + H2O =>
Al2O3 + 2 NaOH = 2 NaAlO2 + H2O
HBr + KBrO3 + CH3COOH = Br2 + H2O + CH3OOK =>
10 HBr + 2 KBrO3 + CH3COOH = 6 Br2 + 4 H2O + 2 CH3OOK
CH3CO2K + AgNO3 = CH3CO2Ag + KNO3 =>
CH3CO2K + AgNO3 = CH3CO2Ag + KNO3
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Cu2CO3(OH)2(s) + C(s) = Cu(s) + CO2(g) + H2O(g) =>
Cu2CO3(OH)2(s) + C(s) = 2 Cu(s) + 2 CO2(g) + H2O(g)
MnO2 + HCl = Cl2 + H2O + MnCl2 =>
MnO2 + 4 HCl = Cl2 + 2 H2O + MnCl2
Na2[Zn(OH)4] + HCl = Zn(OH)2 + NaCl + H2O =>
Na2[Zn(OH)4] + 2 HCl = Zn(OH)2 + 2 NaCl + 2 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NaCN + FeSO4 + Ag(NO3) = Na4[Fe(CN)6] + NaNO3 + Ag2SO4 =>
6 NaCN + FeSO4 + 2 Ag(NO3) = Na4[Fe(CN)6] + 2 NaNO3 + Ag2SO4
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