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4 Pb + 4 C = Pb4C4
Ca + Na = CaNa2 =>
Ca + 2 Na = CaNa2
H2 + C + N = HCN =>
H2 + 2 C + 2 N = 2 HCN
C2H6O + K2Cr2O7 + H2SO4 = CH4CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H6O + 2 K2Cr2O7 + 8 H2SO4 = 3 CH4CO2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
CH3CHOHCH3 + Na2Cr2O7 + H2SO4 = CH3COCH3 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 CH3CHOHCH3 + Na2Cr2O7 + 4 H2SO4 = 3 CH3COCH3 + Cr2(SO4)3 + Na2SO4 + 7 H2O
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
Ba(aq) + OH(aq) + H3PO4(l) = Ba3(PO4)2(s) + H2O(l) =>
3 Ba(aq) + 6 OH(aq) + 2 H3PO4(l) = Ba3(PO4)2(s) + 6 H2O(l)
HCHO2 + OH = CHO2 + H2O =>
HCHO2 + OH = CHO2 + H2O
Zn + SO3 = ZnSO3 =>
Zn + SO3 = ZnSO3
SO2 + HNO3 = SO4 + NO + H2O =>
3 SO2 + 4 HNO3 = 3 SO4 + 4 NO + 2 H2O
Na2B4O7*10H2O + AgNO3 = AgBO2 + B2O3 + NaNO3 + H2O =>
Na2B4O7*10H2O + 2 AgNO3 = 2 AgBO2 + B2O3 + 2 NaNO3 + 10 H2O
C8H10 + KMnO4 + H2SO4 = C6H4(COOH)2 + MnSO4 + H2O + K2SO4 =>
5 C8H10 + 12 KMnO4 + 18 H2SO4 = 5 C6H4(COOH)2 + 12 MnSO4 + 28 H2O + 6 K2SO4
C15H32 + H2O = CH4 + CO2 =>
2 C15H32 + 14 H2O = 23 CH4 + 7 CO2
KMnO4 + Na2C2O4 + HCl = CO2 + MnCl2 + NaCl + KCl + H2O =>
2 KMnO4 + 5 Na2C2O4 + 16 HCl = 10 CO2 + 2 MnCl2 + 10 NaCl + 2 KCl + 8 H2O
H(ClO4) + Cu(OH)2 = H2O + Cu(ClO4)2 =>
2 H(ClO4) + Cu(OH)2 = 2 H2O + Cu(ClO4)2
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Zn(s) + PbSO4(aq) = Pb(s) + ZnSO4(aq) =>
Zn(s) + PbSO4(aq) = Pb(s) + ZnSO4(aq)
LiCl + H2SO4 = HCl + Li2SO4 =>
2 LiCl + H2SO4 = 2 HCl + Li2SO4
NO2 + Ca = CaO + Ca3N2 =>
2 NO2 + 7 Ca = 4 CaO + Ca3N2
ZnSO4 + NaOH = Na2ZnO2 + H2SO4 =>
ZnSO4 + 2 NaOH = Na2ZnO2 + H2SO4
KClO3 + H2SO4 = KHSO4 + O + Cl2 + H2O =>
2 KClO3 + 2 H2SO4 = 2 KHSO4 + 5 O + Cl2 + H2O
Na(s) + S8(s) = Na2S =>
16 Na(s) + S8(s) = 8 Na2S
copper(ii)hydroxide + hydrochloricacid = copper(ii)chloride + water =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
Na2Cr2O7 + H2SO4 = H2Cr2O7 + Na2SO4 =>
Na2Cr2O7 + H2SO4 = H2Cr2O7 + Na2SO4
Na2CO3(s) + HCl(g) = NaCl(s) + CO2(g) + H2O(l) =>
Na2CO3(s) + 2 HCl(g) = 2 NaCl(s) + CO2(g) + H2O(l)
As + H2O = H2AsO4{-} + AsH3 + H{+} =>
8 As + 12 H2O = 3 H2AsO4{-} + 5 AsH3 + 3 H{+}
NO3 + HI = NO + I2 + H2O =>
NO3 + 4 HI = NO + 2 I2 + 2 H2O
Ca(OH)2 + NaIO3 = Ca(IO3)2 + NaOH =>
Ca(OH)2 + 2 NaIO3 = Ca(IO3)2 + 2 NaOH
Be3N2 + H2O(l) = Be(OH)2 + NH3 =>
Be3N2 + 6 H2O(l) = 3 Be(OH)2 + 2 NH3
KHC6H4(CO2)2 + NaOH = C6H4(CO2)2 + H2O + Na + K =>
KHC6H4(CO2)2 + NaOH = C6H4(CO2)2 + H2O + Na + K
(NH4)Cl + F2 = NH4F + Cl2 =>
2(NH4)Cl + F2 = 2 NH4F + Cl2
Zn(s) + Sn{2+}(aq) = Zn{2+}(aq) + Sn =>
Zn(s) + Sn{2+}(aq) = Zn{2+}(aq) + Sn
Sb2O3 + Cl2 = SbCl3 + O2 =>
2 Sb2O3 + 6 Cl2 = 4 SbCl3 + 3 O2
Na2S + Pb(NO3)2 = PbS + Na + NO3 =>
Na2S + Pb(NO3)2 = PbS + 2 Na + 2 NO3
CaO4 + Fe2O3 = Ca2Fe2O5 + O2 =>
2 CaO4 + Fe2O3 = Ca2Fe2O5 + 3 O2
Ba2C + H2O = Ba(OH)2 + CH4 =>
Ba2C + 4 H2O = 2 Ba(OH)2 + CH4
C3H7Cl + AgNO3 = C3H7NO3 + AgCl =>
C3H7Cl + AgNO3 = C3H7NO3 + AgCl
C6H5CHCl2 + NaOH = C6H5CH(OH)2 + NaCl =>
C6H5CHCl2 + 2 NaOH = C6H5CH(OH)2 + 2 NaCl
NH3(aq) + F2(g) = NH4F(s) + NF3(g) =>
4 NH3(aq) + 3 F2(g) = 3 NH4F(s) + NF3(g)
NH4Br + H2SO4 = (NH4)2SO4 + HBr =>
2 NH4Br + H2SO4 = (NH4)2SO4 + 2 HBr
CaCO3(s) + HCl(aq) = CO2(g) + CaCl2(aq) + H2O(l) =>
CaCO3(s) + 2 HCl(aq) = CO2(g) + CaCl2(aq) + H2O(l)
MnBr2(aq) + Na2S(aq) = MnS + NaBr =>
MnBr2(aq) + Na2S(aq) = MnS + 2 NaBr
R7H10Q + Z2 = RZ2 + H2Z + QZ2 =>
2 R7H10Q + 21 Z2 = 14 RZ2 + 10 H2Z + 2 QZ2
IO3{-}(aq) + I{-}(aq) + H{+}(aq) = I2(s) + H2O(l) =>
IO3{-}(aq) + 5 I{-}(aq) + 6 H{+}(aq) = 3 I2(s) + 3 H2O(l)
P + Cl = P2Cl4 =>
2 P + 4 Cl = P2Cl4
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
ZnI2 + Li2CrO4 = ZnCrO4 + I2Li2 =>
ZnI2 + Li2CrO4 = ZnCrO4 + I2Li2
FeCl3 + NaBr = FeBr + NaCl3 =>
FeCl3 + NaBr = FeBr + NaCl3
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Na3N + Si3N4 = Na5SiN3 =>
5 Na3N + Si3N4 = 3 Na5SiN3
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