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Zn + 2 HCI = H2 + Zn(CI)2
NH3 + CaO = Ca + N2 + H2O =>
2 NH3 + 3 CaO = 3 Ca + N2 + 3 H2O
Ph2PCl + Et3SiH = Ph2PPPh2 + Et3SiCl + H2 =>
2 Ph2PCl + 2 Et3SiH = Ph2PPPh2 + 2 Et3SiCl + H2
FeO + SiC = Fe3C + Si + CO =>
3 FeO + 4 SiC = Fe3C + 4 Si + 3 CO
Ae + V2O5 = Ae2O3 + V =>
10 Ae + 3 V2O5 = 5 Ae2O3 + 6 V
CD + H2SO4 = CDSO4 + H2 =>
CD + H2SO4 = CDSO4 + H2
(NH4)2HPO4 + H2O = (NH4)(OH) + H3PO4 =>
(NH4)2HPO4 + 2 H2O = 2(NH4)(OH) + H3PO4
Pb3(PO3)2 + H2S = H3PO3 + PbS =>
Pb3(PO3)2 + 3 H2S = 2 H3PO3 + 3 PbS
KMnO4 + H2SO4 + NO2SO3 = MnSO4 + K2SO4 + NO2SO4 + H2O2 =>
2 KMnO4 + 3 H2SO4 + 2 NO2SO3 = 2 MnSO4 + K2SO4 + 2 NO2SO4 + 3 H2O2
C5Cl5OH + H2O2 = CO2 + H2O + HCl =>
C5Cl5OH + 7 H2O2 = 5 CO2 + 5 H2O + 5 HCl
HF + Al = F2 + AlH =>
2 HF + 2 Al = F2 + 2 AlH
HNO3 + S + H2O = NH3 + H2SO4 =>
3 HNO3 + 4 S + 7 H2O = 3 NH3 + 4 H2SO4
silvernitrate + sodiumphosphate = Ag3O4P + sodiumnitrate =>
3 AgNO3 + Na3PO4 = Ag3O4P + 3 NaNO3
SIOH = SIO + H =>
SIOH = SIO + H
CaSO4 + (NH4)3PO4 = Ca3(PO4)2 + (NH4)2SO4 =>
3 CaSO4 + 2(NH4)3PO4 = Ca3(PO4)2 + 3(NH4)2SO4
Cu(NO3)2(ac) + K2CrO4(ac) = CuCrO4(s) + KNO3(ac) =>
Cu(NO3)2(ac) + K2CrO4(ac) = CuCrO4(s) + 2 KNO3(ac)
S + HBr = H2S + Br =>
S + 2 HBr = H2S + 2 Br
As2S3 + ClO3{-} + H2O = H2AsO4{-} + SO4{2-} + Cl{-} + H{+} =>
3 As2S3 + 14 ClO3{-} + 18 H2O = 6 H2AsO4{-} + 9 SO4{2-} + 14 Cl{-} + 24 H{+}
Ca(C2H3O2)2 = CaCO3 + C3H6O =>
Ca(C2H3O2)2 = CaCO3 + C3H6O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
HCl + KMnO4 + H2SO4 = KHSO4 + MnSO4 + Cl2 + H2O =>
10 HCl + 2 KMnO4 + 4 H2SO4 = 2 KHSO4 + 2 MnSO4 + 5 Cl2 + 8 H2O
NiSO4 + Na2Cr2O7 + H2SO4 = Ni2(SO4)3 + Cr2(SO4)3 + Na2SO4 + H2O =>
6 NiSO4 + Na2Cr2O7 + 7 H2SO4 = 3 Ni2(SO4)3 + Cr2(SO4)3 + Na2SO4 + 7 H2O
KOH + P2O5 = K5PO5 + H2O =>
10 KOH + P2O5 = 2 K5PO5 + 5 H2O
HI + Ca(OH) = Ca + I + H2O =>
HI + Ca(OH) = Ca + I + H2O
P2 + Cl = Cl5P =>
P2 + 10 Cl = 2 Cl5P
Al + Fe{3}O{4} = Al{2}O{3} + Fe =>
3 Al + 2 Fe{3}O{4} = 3 Al{2}O{3} + 2 Fe
HCl + CrO2 = CrCl2 + Cl2 + H2O =>
4 HCl + CrO2 = CrCl2 + Cl2 + 2 H2O
Pb(CH3COO)2 + (NH4)2CO3 = PbCO3 + CH3COONH4 =>
Pb(CH3COO)2 + (NH4)2CO3 = PbCO3 + 2 CH3COONH4
KI(aq) + Cl2(g) = KCl(aq) + I2(aq) =>
2 KI(aq) + Cl2(g) = 2 KCl(aq) + I2(aq)
SbCl2 + H2O = SbOCl + HCl + H =>
SbCl2 + H2O = SbOCl + HCl + H
H2SO4 + Zn(OH)2 = H2(OH)2 + Zn(SO4) =>
H2SO4 + Zn(OH)2 = H2(OH)2 + Zn(SO4)
PbSO4 + HNO3 = PbHNO3 + SO4 =>
PbSO4 + HNO3 = PbHNO3 + SO4
C2H6 + Br2 = C2H2Br4 + H2 =>
C2H6 + 2 Br2 = C2H2Br4 + 2 H2
Mn + MgO = MnO4 + Mg =>
Mn + 4 MgO = MnO4 + 4 Mg
H3PO2 + CaO = H2O + Ca3(PO2)2 =>
2 H3PO2 + 3 CaO = 3 H2O + Ca3(PO2)2
Zn3(PO4)2 + H(OH) = Zn(OH)2 + H3(PO4) =>
Zn3(PO4)2 + 6 H(OH) = 3 Zn(OH)2 + 2 H3(PO4)
HS + H2O2 = HSO4 + H2O =>
HS + 4 H2O2 = HSO4 + 4 H2O
C2H6O2 + H2 = C2H4 + H2O =>
C2H6O2 + H2 = C2H4 + 2 H2O
(C2H2) + (CO2) + (H2O) = (CH2CHCO2H) =>
6(C2H2) + 3(CO2) + 4(H2O) = 5(CH2CHCO2H)
Cu(NO3)2 + NH4OH = Cu(OH)2 + (NH4)2(NO3)2 =>
Cu(NO3)2 + 2 NH4OH = Cu(OH)2 + (NH4)2(NO3)2
KMnO4 + C3H5(OH)3 = K2CO3 + Mn203 + CO2 + H2O =>
406 KMnO4 + 203 C3H5(OH)3 = 203 K2CO3 + 2 Mn203 + 406 CO2 + 812 H2O
C6H5CH3 + CH4 = C6H5C2H6 =>
21 C6H5CH3 + 13 CH4 = 20 C6H5C2H6
C2Ca + H2O = Ca(OH)2 + C2H2 =>
C2Ca + 2 H2O = Ca(OH)2 + C2H2
BaCO3 + CaSO4 = BaSO4 + CaCO3 =>
BaCO3 + CaSO4 = BaSO4 + CaCO3
HCl + Ga(OH)2 = GaCl2 + H2O =>
2 HCl + Ga(OH)2 = GaCl2 + 2 H2O
H{+} + Cr2O7{2-} + H{-} = Cr{3+} + H2O =>
11 H{+} + Cr2O7{2-} + 3 H{-} = 2 Cr{3+} + 7 H2O
Zn(OH)2 + H2SO4 = ZnSO4 + HOH =>
Zn(OH)2 + H2SO4 = ZnSO4 + 2 HOH
HNo3 + Na2O = NaNo3 + H2O =>
2 HNo3 + Na2O = 2 NaNo3 + H2O
K2Cr2O7 + FeSO4 + H2SO4 = Cr2S012 + Fe2SO12 + K2SO4 + H2O =>
K2Cr2O7 + 12 FeSO4 + 7 H2SO4 = Cr2S012 + 6 Fe2SO12 + K2SO4 + 7 H2O
P4(s) + S8(s) = P6S5 =>
12 P4(s) + 5 S8(s) = 8 P6S5
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