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(NH4)2S + Cu(NO3)2 = 2(NH4)NO3 + CuS
Al + NiBr = AlBr3 + Ni =>
Al + 3 NiBr = AlBr3 + 3 Ni
C2H18 + O2 = CO2 + H2O =>
2 C2H18 + 13 O2 = 4 CO2 + 18 H2O
Cu + ClO4 = Cu(ClO4)2 =>
Cu + 2 ClO4 = Cu(ClO4)2
SnClO3 = SnCl + O2 =>
2 SnClO3 = 2 SnCl + 3 O2
OCl{-} + S2O3{2-} + H2O = SO4{2-} + Cl{-} + H{+} =>
4 OCl{-} + S2O3{2-} + H2O = 2 SO4{2-} + 4 Cl{-} + 2 H{+}
Br + C = BrC =>
Br + C = BrC
Fe(s) + HCl2(aq) = FeCl3(aq) + H2(g) =>
4 Fe(s) + 6 HCl2(aq) = 4 FeCl3(aq) + 3 H2(g)
Mg(NO3)2 + NaOH(g) = Mg(OH)2 + NaNO3 =>
Mg(NO3)2 + 2 NaOH(g) = Mg(OH)2 + 2 NaNO3
C3H6N3O9 = N2 + CO2 + H2O =>
2 C3H6N3O9 = 3 N2 + 6 CO2 + 6 H2O
NH3 + O2 = NO3 + H2O =>
4 NH3 + 9 O2 = 4 NO3 + 6 H2O
Au(s) + O2(g) = AuO =>
2 Au(s) + O2(g) = 2 AuO
Cu2O + Cu2S*FeS = Cu2S + FeO =>
Cu2O + Cu2S*FeS = 2 Cu2S + FeO
LiO(s) = Li(s) + O2(g) =>
2 LiO(s) = 2 Li(s) + O2(g)
BaSO4 + CO = BaO + SO2 + CO2 =>
BaSO4 + CO = BaO + SO2 + CO2
CrSO4 + NaOH = Cr(OH)2 + Na2SO4 =>
CrSO4 + 2 NaOH = Cr(OH)2 + Na2SO4
ClO3{-} + Ag{+} + OH{-} = ClO4{-} + Ag + H2O =>
ClO3{-} + 2 Ag{+} + 2 OH{-} = ClO4{-} + 2 Ag + H2O
ZnO + H3PO4 = (ZnO)3(P2O5) + H2O =>
3 ZnO + 2 H3PO4 = (ZnO)3(P2O5) + 3 H2O
NaAt + Cl2 = NaAtCl =>
2 NaAt + Cl2 = 2 NaAtCl
CuCl2 + Na(OH) = Cu(OH)2 + NaCl =>
CuCl2 + 2 Na(OH) = Cu(OH)2 + 2 NaCl
O2 + H2O + Cr = (OH)4{-} + Cr{+4} =>
4 O2 + 8 H2O + Cr = 4(OH)4{-} + Cr{+4}
NH4Cl + KI = KCl + NH3 + HI =>
NH4Cl + KI = KCl + NH3 + HI
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
NH3(aq) + CuSO4(aq) = Cu(NH2){+}(aq) + HSO4{-}(aq) =>
NH3(aq) + CuSO4(aq) = Cu(NH2){+}(aq) + HSO4{-}(aq)
B5H9 + N2F4 = BF3 + N2 + HF =>
B5H9 + 6 N2F4 = 5 BF3 + 6 N2 + 9 HF
C + NaOH = H2 + Na + Na2CO3 =>
2 C + 6 NaOH = 3 H2 + 2 Na + 2 Na2CO3
C24H + H2O2 = H2O + CO2 =>
2 C24H + 97 H2O2 = 98 H2O + 48 CO2
Fe + HNO3(conc) = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3(conc) = Fe(NO3)3 + NO + 2 H2O
CuCl2 + NaBr = CuBrCl2Na =>
CuCl2 + NaBr = CuBrCl2Na
CO2 + NH3 = CN2OH4 + H2O =>
CO2 + 2 NH3 = CN2OH4 + H2O
NaBr + H2SO4 = Na2SO4 + Br2SO2 + H2O =>
2 NaBr + 2 H2SO4 = Na2SO4 + Br2SO2 + 2 H2O
C2H3NaO2 + H2O + CO2 = NaHCO3 + CH3COOH =>
C2H3NaO2 + H2O + CO2 = NaHCO3 + CH3COOH
C6H12O6(aq) + O2 = CO2 + H2O =>
C6H12O6(aq) + 6 O2 = 6 CO2 + 6 H2O
K2CrO7 + HCl + Sn = CrCl3 + SnCl4 + KCl + H2O =>
4 K2CrO7 + 56 HCl + 9 Sn = 4 CrCl3 + 9 SnCl4 + 8 KCl + 28 H2O
Cu + SO4{2-} + H{+} = Cu{2+} + SO2 + H2O =>
Cu + SO4{2-} + 4 H{+} = Cu{2+} + SO2 + 2 H2O
C6H11NO4 + O2 = CO2 + N2 + H2O =>
4 C6H11NO4 + 27 O2 = 24 CO2 + 2 N2 + 22 H2O
HCl + Cr(OH)3 = CrCl3 + H2O =>
3 HCl + Cr(OH)3 = CrCl3 + 3 H2O
SO3{2-} + H2O + MnO4{-} = SO4{2-} + OH{-} + MnO2 =>
3 SO3{2-} + H2O + 2 MnO4{-} = 3 SO4{2-} + 2 OH{-} + 2 MnO2
Na2HPO4 + H2O = Na2H2PO4 + OH =>
Na2HPO4 + H2O = Na2H2PO4 + OH
Cr + CuSO4*5H2O = Cu + CrSO4 + H2O =>
Cr + CuSO4*5H2O = Cu + CrSO4 + 5 H2O
Na2B4O7 + H2SO4 = B2O3 + Na2SO4 + H2O =>
Na2B4O7 + H2SO4 = 2 B2O3 + Na2SO4 + H2O
Mn7 = Mn4 =>
4 Mn7 = 7 Mn4
Al(s) + S2(g) = Al2S3 =>
4 Al(s) + 3 S2(g) = 2 Al2S3
CsOH(aq) + H3PO4(aq) = Cs3PO4 + H2O =>
3 CsOH(aq) + H3PO4(aq) = Cs3PO4 + 3 H2O
TeO2 + Cr2O7{2-} + H2O + H{+} = H6TeO6 + Cr3{+} =>
17 TeO2 + 3 Cr2O7{2-} + 47 H2O + 8 H{+} = 17 H6TeO6 + 2 Cr3{+}
HBr(aq) + Ca(s) = H2(g) + CaBr(s) =>
2 HBr(aq) + 2 Ca(s) = H2(g) + 2 CaBr(s)
KMnO4 + HCl + H2S = MnCl2 + KCl + S + H2O =>
2 KMnO4 + 6 HCl + 5 H2S = 2 MnCl2 + 2 KCl + 5 S + 8 H2O
Li2CO3 + BaBr2 = Ba2CO3 + LiBr2 =>
Li2CO3 + 2 BaBr2 = Ba2CO3 + 2 LiBr2
Cs(s) + HCl(aq) = CsH(aq) + Cl(g) =>
Cs(s) + HCl(aq) = CsH(aq) + Cl(g)
HI + KNO3 + H2S = I2 + NO2 + H2O + K2S =>
2 HI + 2 KNO3 + H2S = I2 + 2 NO2 + 2 H2O + K2S
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