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2 ZnCl2 + 2 Na2CO3 + H2O = (ZnOH)2CO3 + 4 NaCl + CO2
H2SO + NaOH = Na2SO + HOH =>
H2SO + 2 NaOH = Na2SO + 2 HOH
CH2O2 + MgO = Mg(COOH)2 + H2O =>
2 CH2O2 + MgO = Mg(COOH)2 + H2O
Fe3{+} = Fe2{+} + e =>
2 Fe3{+} = 3 Fe2{+} + e
MgCl2 + Na3PO4 = Mg3(PO4)2 + NaCl =>
3 MgCl2 + 2 Na3PO4 = Mg3(PO4)2 + 6 NaCl
I2 + HSO3{-} + H2O = I{-} + SO4{2-} + H{+} =>
I2 + HSO3{-} + H2O = 2 I{-} + SO4{2-} + 3 H{+}
KMnO4 + MgBr2 + H2SO4 = MnSO4 + K2SO4 + MgSO4 + Br2 + H2O =>
2 KMnO4 + 5 MgBr2 + 8 H2SO4 = 2 MnSO4 + K2SO4 + 5 MgSO4 + 5 Br2 + 8 H2O
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
C + HNO3(conc) = CO2 + NO2 + H2O =>
C + 4 HNO3(conc) = CO2 + 4 NO2 + 2 H2O
O2 + Si = O2Si =>
O2 + Si = O2Si
CoCl2 + HCl = HCoCl3 =>
CoCl2 + HCl = HCoCl3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
KBrO3(s) = KBr(s) + O2(g) =>
2 KBrO3(s) = 2 KBr(s) + 3 O2(g)
Cr2(SO4)3 + Na2O2 + NaOH = Na2CrO4 + Na2(SO4) + H2O =>
Cr2(SO4)3 + 3 Na2O2 + 4 NaOH = 2 Na2CrO4 + 3 Na2(SO4) + 2 H2O
Al(NO3)3 + NH4Cl = AlCl3 + NH4(NO3) =>
Al(NO3)3 + 3 NH4Cl = AlCl3 + 3 NH4(NO3)
*2Na + Cl2 = NaCl =>
*2Na + Cl2 = 2 NaCl
Ca(NO3)2 + H2O = Ca(OH)2 + HN02 + O2 =>
4 Ca(NO3)2 + 6 H2O = 4 Ca(OH)2 + 4 HN02 + 11 O2
C9H18O = C9H15 + H3O =>
C9H18O = C9H15 + H3O
P4 + S8 = P2S5 =>
4 P4 + 5 S8 = 8 P2S5
K4Fe(SCN)6 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + CO2 + H2O + K2SO4 + KNO3 =>
6 K4Fe(SCN)6 + 97 K2Cr2O7 + 355 H2SO4 = 3 Fe2(SO4)3 + 97 Cr2(SO4)3 + 36 CO2 + 355 H2O + 91 K2SO4 + 36 KNO3
N29 = N =>
N29 = 29 N
Hg2{+} + Fe = Fe2{+} + Hg =>
Hg2{+} + 2 Fe = Fe2{+} + 2 Hg
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
A1(s) + HC1(g) = A1C13(s) + H2(g) =>
2 A1(s) + 26 HC1(g) = 2 A1C13(s) + 13 H2(g)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
H2O2 + NaOH = H2O + Na2O2 =>
H2O2 + 2 NaOH = 2 H2O + Na2O2
Na2O2 = NaO =>
Na2O2 = 2 NaO
CrCl3*6H2O + TiCl3H2O = CrTiO3 + HCl + H2O =>
CrCl3*6H2O + TiCl3H2O = CrTiO3 + 6 HCl + 4 H2O
HNo3 + Fe = Fe(No3)23 + H2 =>
46 HNo3 + 2 Fe = 2 Fe(No3)23 + 23 H2
Ni{2+} + I{-} = Ni(I)2 =>
Ni{2+} + 2 I{-} = Ni(I)2
Sb + I2 = SbI3 =>
2 Sb + 3 I2 = 2 SbI3
CH3CH2OH + K2Cr2O7 + H2SO4 = CH3COOH + Cr2[SO4]3 + K2SO4 + H2O =>
3 CH3CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2[SO4]3 + 2 K2SO4 + 11 H2O
Cl2(aq) + NaI(aq) = Cl2(NaI) =>
Cl2(aq) + NaI(aq) = Cl2(NaI)
CaO + H3PO4 = Ca3(PO4)2 + H2O =>
3 CaO + 2 H3PO4 = Ca3(PO4)2 + 3 H2O
SO2 + NaOH = Na2SO3 + HOH =>
SO2 + 2 NaOH = Na2SO3 + HOH
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Al(s) + SnNO3(s) = AlNO3 + Sn(s) =>
Al(s) + SnNO3(s) = AlNO3 + Sn(s)
MgO + Cl2 = MgCl2 + O =>
MgO + Cl2 = MgCl2 + O
CH3Br(g) = CH3 + Br2 =>
2 CH3Br(g) = 2 CH3 + Br2
NaCO3 + CuSO4 = NaSO4 + Cu2(CO3)2 =>
2 NaCO3 + 2 CuSO4 = 2 NaSO4 + Cu2(CO3)2
Na3VO4 + H2SO4 + Zn = H2O + Na2SO4 + ZnSO4 + V2(SO4)3 =>
2 Na3VO4 + 8 H2SO4 + 2 Zn = 8 H2O + 3 Na2SO4 + 2 ZnSO4 + V2(SO4)3
PF2I + Hg = P2F4 + Hg2I2 =>
2 PF2I + 2 Hg = P2F4 + Hg2I2
K2S2O8 + HNO3 = KHSO4 + O3 + KNO3 + S =>
3 K2S2O8 + 3 HNO3 = 3 KHSO4 + 4 O3 + 3 KNO3 + 3 S
CaCl2 + NaOH = Ca(OH)2 + NaCl =>
CaCl2 + 2 NaOH = Ca(OH)2 + 2 NaCl
H2(CO3) + Sr(OH)2 = H(OH) + Sr(CO3) =>
H2(CO3) + Sr(OH)2 = 2 H(OH) + Sr(CO3)
Ba(OH)2 + C6H8O7 = Ba3C12H10O14 + H2O =>
3 Ba(OH)2 + 2 C6H8O7 = Ba3C12H10O14 + 6 H2O
Sb + I2 = SbI3 =>
2 Sb + 3 I2 = 2 SbI3
Ba(OH)2 + CaSO4 = BaSO4 + Ca(OH)2 =>
Ba(OH)2 + CaSO4 = BaSO4 + Ca(OH)2
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