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K2S + Cu(NO3)2 = 2 KNO3 + CuS
CuO(s) + CO(S) = Cu2O(S) + CO2(g) =>
2 CuO(s) + CO(S) = Cu2O(S) + CO2(g)
C10H + O2 = CO2 + H2O =>
4 C10H + 41 O2 = 40 CO2 + 2 H2O
HgNO3 + KOH = KNO3 + HgOH =>
HgNO3 + KOH = KNO3 + HgOH
KMnO4 + (COOH)2 + H{+} = CO2 + H2O + Mn2{+} + K =>
4 KMnO4 + 15(COOH)2 + 2 H{+} = 30 CO2 + 16 H2O + 2 Mn2{+} + 4 K
K + NH3 = KH5 + N2 =>
6 K + 10 NH3 = 6 KH5 + 5 N2
HNO2(aq) + KMNO4(aq) + H2SO4 = MNSOO4(aq) + HNO3(aq) + K2SO4(aq) + H20(l) =>
60 HNO2(aq) + 20 KMNO4(aq) + 30 H2SO4 = 20 MNSOO4(aq) + 60 HNO3(aq) + 10 K2SO4(aq) + 3 H20(l)
Na2CO3 + HCl = H2CO3 + NaCl =>
Na2CO3 + 2 HCl = H2CO3 + 2 NaCl
KMnO4 + Na2SO4 + H2SO4 = K2SO4 + NaSO4 + MnSO4 + H2O =>
2 KMnO4 + 5 Na2SO4 + 8 H2SO4 = K2SO4 + 10 NaSO4 + 2 MnSO4 + 8 H2O
NH4 + Ca = (NH4)2Ca =>
2 NH4 + Ca = (NH4)2Ca
KClO4 + H2 = KCl + H2O =>
KClO4 + 4 H2 = KCl + 4 H2O
Br2 + CrO2{-} + OH{-} = Br{-} + CrO3{2-} + H2O =>
Br2 + 2 CrO2{-} + 4 OH{-} = 2 Br{-} + 2 CrO3{2-} + 2 H2O
Pb(OH)4 + H2SO4 = HOH + Pb(SO4)2 =>
Pb(OH)4 + 2 H2SO4 = 4 HOH + Pb(SO4)2
I{-} + H{+} + MnO4{-} = I2 + Mn2{+} + H2O =>
26 I{-} + 32 H{+} + 4 MnO4{-} = 13 I2 + 2 Mn2{+} + 16 H2O
Cu{+2} + SCN{-} = CuSCN{+} =>
Cu{+2} + SCN{-} = CuSCN{+}
As2O3 + KMnO4 + H2SO4 = As2O5 + K2SO4 + MnSO4 + H2O =>
5 As2O3 + 4 KMnO4 + 6 H2SO4 = 5 As2O5 + 2 K2SO4 + 4 MnSO4 + 6 H2O
KI(aq) + NH4OH(aq) = KOH(aq) + INH4(aq) =>
KI(aq) + NH4OH(aq) = KOH(aq) + INH4(aq)
I2 + Pb(NO3)2 + HNO3 = PbI2 + H(NO3)3 =>
I2 + Pb(NO3)2 + HNO3 = PbI2 + H(NO3)3
aluminum + CuF2 = AlF + copper =>
2 Al + CuF2 = 2 AlF + Cu
Ba(OH)2H16O8 + NH4SCN = Ba(SCN)2 + NH3 + H2O =>
Ba(OH)2H16O8 + 2 NH4SCN = Ba(SCN)2 + 2 NH3 + 10 H2O
PbO + S = PbS + O2 =>
2 PbO + 2 S = 2 PbS + O2
Na2CO3(aq) + HCl(s) = NaCl(aq) + CO2(g) + H2O(l) =>
Na2CO3(aq) + 2 HCl(s) = 2 NaCl(aq) + CO2(g) + H2O(l)
MgSO4 + H2S = H2SO4 + MgS =>
MgSO4 + H2S = H2SO4 + MgS
Na(s) + H3PO4(aq) = H(g) + Na3PO4(aq) =>
3 Na(s) + H3PO4(aq) = 3 H(g) + Na3PO4(aq)
NaCH3OO(aq) + HBr(aq) = NaBr(aq) + CH3OOH(aq) =>
NaCH3OO(aq) + HBr(aq) = NaBr(aq) + CH3OOH(aq)
NaOCl + HCl2 = Cl2 + H2O + NaCl =>
NaOCl + 2 HCl2 = 2 Cl2 + H2O + NaCl
MgI2 + H2O2 + H2SO4 = I2 + MgSO4 + H2O* =>
MgI2 + H2O2 + H2SO4 = I2 + MgSO4 + 2 H2O*
Zn + H[SnCl3] = ZnCl + Sn + H2 =>
6 Zn + 2 H[SnCl3] = 6 ZnCl + 2 Sn + H2
Pb(OH)2 + FeCl2 = Fe(OH)2 + PbCl2 =>
Pb(OH)2 + FeCl2 = Fe(OH)2 + PbCl2
HNO3 + SrHO = SrNO3 + H2O =>
HNO3 + SrHO = SrNO3 + H2O
C6NH5O2 + C5H10O2 = C11H13NO3 + H2O =>
C6NH5O2 + C5H10O2 = C11H13NO3 + H2O
Cr2O7{2-} + I2 = Cr{3+} + I{-} + O =>
Cr2O7{2-} + 4 I2 = 2 Cr{3+} + 8 I{-} + 7 O
HBr(aq) + NaHSO3(aq) = H2SO3 + NaBr(aq) =>
HBr(aq) + NaHSO3(aq) = H2SO3 + NaBr(aq)
Cl2(g) + NaOH(aq) = NaCl(aq) + NaClO3(aq) + H2O =>
3 Cl2(g) + 6 NaOH(aq) = 5 NaCl(aq) + NaClO3(aq) + 3 H2O
Li2 + Cl = LiCl =>
Li2 + 2 Cl = 2 LiCl
H + O + P = H3PO4 =>
3 H + 4 O + P = H3PO4
CuO + HN3 = N2 + Cu + H2O =>
CuO + 2 HN3 = 3 N2 + Cu + H2O
AI + NiNO2 = Ni + AINO2 =>
AI + NiNO2 = Ni + AINO2
P4O10 + KOH = K3PO4 + H2O =>
P4O10 + 12 KOH = 4 K3PO4 + 6 H2O
Al(s) + H2SO4(l) = Al2(SO4)3(aq) + H2(g) =>
2 Al(s) + 3 H2SO4(l) = Al2(SO4)3(aq) + 3 H2(g)
CH3COONa + HBr = NaBr + CH3COOH =>
CH3COONa + HBr = NaBr + CH3COOH
H2O2 + KNaC4H4O6 = CO2 + NaOH + KOH + H2O =>
5 H2O2 + KNaC4H4O6 = 4 CO2 + NaOH + KOH + 6 H2O
V{5+} + Br{-} = V + Br =>
V{5+} + 5 Br{-} = V + 5 Br
NH4HCO3 + NaCI = NaHCO3 + NH4CI =>
NH4HCO3 + NaCI = NaHCO3 + NH4CI
ClO{-} + Cr(OH)3 + OH{-} = Cl{-} + CrO42{-} + H2O =>
40 ClO{-} + Cr(OH)3 + OH{-} = 40 Cl{-} + CrO42{-} + 2 H2O
As2S5 + HNO3 = H3As4 + H2SO4 + H2O + NO2 =>
2 As2S5 + 57 HNO3 = H3As4 + 10 H2SO4 + 17 H2O + 57 NO2
Ni + Cu2O = NiCu2O =>
Ni + Cu2O = NiCu2O
Cu(NO3)2(aq) + NH4OH = HNO3 + CuOH + NH3 =>
8 Cu(NO3)2(aq) + 11 NH4OH = 17 HNO3 + 8 CuOH + 10 NH3
NaPO4 + MnCl2 = NaCl2 + PO4Mn =>
NaPO4 + MnCl2 = NaCl2 + PO4Mn
K2SO4 + KOH + S = K2SO3 + H2 =>
K2SO4 + 2 KOH + S = 2 K2SO3 + H2
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