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2 Zn + 2 HCI = H2 + 2 ZnCI
N = NN =>
2 N = NN
NaI + H2SO4 + KMnO4 = I2 + Na2SO4 + MnSO4 + K2SO4 + H2O =>
10 NaI + 8 H2SO4 + 2 KMnO4 = 5 I2 + 5 Na2SO4 + 2 MnSO4 + K2SO4 + 8 H2O
NaBrO3 + NaI + HCl = I2 + NaCl + NaBr + H2O =>
NaBrO3 + 6 NaI + 6 HCl = 3 I2 + 6 NaCl + NaBr + 3 H2O
Li + F2 = LiF =>
2 Li + F2 = 2 LiF
NaCl + H2O2 + FeCl2 = FeCl3 + NaOH =>
2 NaCl + H2O2 + 2 FeCl2 = 2 FeCl3 + 2 NaOH
NO + H2O = NH3 + O2 =>
4 NO + 6 H2O = 4 NH3 + 5 O2
H2O + As2S3(s) + H{+}(aq) + NO3{-}(aq) = H3AsO4(aq) + S8(s) + NO(g) =>
32 H2O + 24 As2S3(s) + 80 H{+}(aq) + 80 NO3{-}(aq) = 48 H3AsO4(aq) + 9 S8(s) + 80 NO(g)
K2Zn3[Fe(CN)6]2 + NaOH = K4[Fe(CN)6] + Na4[Fe(CN)6] + Na2ZnO2 + H2O =>
2 K2Zn3[Fe(CN)6]2 + 24 NaOH = K4[Fe(CN)6] + 3 Na4[Fe(CN)6] + 6 Na2ZnO2 + 12 H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
NaC6H5CO2 + HCl = C6H6 + NaCl + CO2 =>
NaC6H5CO2 + HCl = C6H6 + NaCl + CO2
HBr + KCl = HK + BrCl =>
HBr + KCl = HK + BrCl
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
ClOH + H2SO4 = SO4{-2} + Cl{+} + H2O =>
2 ClOH + H2SO4 = SO4{-2} + 2 Cl{+} + 2 H2O
C4H6O + O2 = CO2 + H2O =>
C4H6O + 5 O2 = 4 CO2 + 3 H2O
Cu(OH)2 + CaCl2 = CuCl2 + Ca(OH)2 =>
Cu(OH)2 + CaCl2 = CuCl2 + Ca(OH)2
CrO2{-} + OH{-} = CrO4{-2} + H2O + {-} =>
CrO2{-} + 4 OH{-} = CrO4{-2} + 2 H2O + 3e
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Pt + H3PO4 = PtPO4 + H2 =>
2 Pt + 2 H3PO4 = 2 PtPO4 + 3 H2
NaCl + H2O2 = HCl + NaO =>
2 NaCl + H2O2 = 2 HCl + 2 NaO
K4[Ni(CN)4] + Br2 + KOH = Ni(OH)2 + CNBr + KBr =>
K4[Ni(CN)4] + 5 Br2 + 2 KOH = Ni(OH)2 + 4 CNBr + 6 KBr
FeCl3 + NaNO3 = Fe(NO3)3 + NaCl =>
FeCl3 + 3 NaNO3 = Fe(NO3)3 + 3 NaCl
ClCH2CH2SCH2CH2Cl + H2O = HCl + OHCH2CH2SCH2CH2OH =>
ClCH2CH2SCH2CH2Cl + 2 H2O = 2 HCl + OHCH2CH2SCH2CH2OH
K + HBr = KBr2 + H2 =>
K + 2 HBr = KBr2 + H2
K2SO4(aq) + Pb(NO3)2(aq) = KNO3(aq) + PbSO4(s) =>
K2SO4(aq) + Pb(NO3)2(aq) = 2 KNO3(aq) + PbSO4(s)
NH4NO3 + H2SO4 = NO + (NH4)2SO4 + H2O =>
5 NH4NO3 + H2SO4 = 8 NO + (NH4)2SO4 + 7 H2O
Ga2O3 = Ga + O2 =>
2 Ga2O3 = 4 Ga + 3 O2
NaNO2 + (NH4)2SO4 = N2 + Na2SO4 + H2O =>
2 NaNO2 + (NH4)2SO4 = 2 N2 + Na2SO4 + 4 H2O
Br2(l) + KF(aq) = KBr(aq) + F2(l) =>
Br2(l) + 2 KF(aq) = 2 KBr(aq) + F2(l)
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
CuI2 = I2 + Cu =>
CuI2 = I2 + Cu
FeOH + H2SO4 = Fe2SO4 + H2O =>
2 FeOH + H2SO4 = Fe2SO4 + 2 H2O
Al + GaN = AlN + Ga =>
Al + GaN = AlN + Ga
KI + Na2O2 + H2O = I2 + NaOH + KOH =>
2 KI + Na2O2 + 2 H2O = I2 + 2 NaOH + 2 KOH
C18H36O18 + O2 = CO + H2O =>
C18H36O18 + 9 O2 = 18 CO + 18 H2O
NaCI + F2 = NaF + CI =>
2 NaCI + F2 = 2 NaF + 2 CI
(COOH)4 + NaOH = NaCO2 + H2O =>
(COOH)4 + 4 NaOH = 4 NaCO2 + 4 H2O
PbCO3Pb(OH)2 + H2SO4 = PbSO4 + H2O + CO2 =>
PbCO3Pb(OH)2 + 2 H2SO4 = 2 PbSO4 + 3 H2O + CO2
NaCl + H2O2 = HCl + NaO =>
2 NaCl + H2O2 = 2 HCl + 2 NaO
H2O + SO2 = H2S + O2 =>
2 H2O + 2 SO2 = 2 H2S + 3 O2
Ca5(PO4)3(OH) + HCl = CaCl2 + H2O + H2PO4 + H =>
Ca5(PO4)3(OH) + 10 HCl = 5 CaCl2 + H2O + 3 H2PO4 + 3 H
H[CuCl2] + O2 = CuCl2 + H2O =>
4 H[CuCl2] + O2 = 4 CuCl2 + 2 H2O
C7H9 + HNO3 = C7H6[NO2]3 + H2O =>
C7H9 + 3 HNO3 = C7H6[NO2]3 + 3 H2O
PTCl4 = PTCl2 + Cl2 =>
PTCl4 = PTCl2 + Cl2
MgO2 + HCl = MgCl2 + H2O + Cl2 =>
MgO2 + 4 HCl = MgCl2 + 2 H2O + Cl2
KClO3 + Pb(NO3)2 = KNO3 + Pb(ClO3)2 =>
2 KClO3 + Pb(NO3)2 = 2 KNO3 + Pb(ClO3)2
KNO3 + Na2SO4 = KNa2 + NO3SO4 =>
KNO3 + Na2SO4 = KNa2 + NO3SO4
SO2 + K[Al(OH)4] = Al(OH)3 + K2SO3 + H2O =>
SO2 + 2 K[Al(OH)4] = 2 Al(OH)3 + K2SO3 + H2O
KAlO2HClH2O = Al(OH)3KCl =>
KAlO2HClH2O = Al(OH)3KCl
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