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2 NO2 + H2O = HNO3 + HNO2
C3H8O3 + KMnO4 + H2SO4 = C3H2O5 + MnSO4 + K2SO4 + H2O =>
C3H8O3 + 2 KMnO4 + 3 H2SO4 = C3H2O5 + 2 MnSO4 + K2SO4 + 6 H2O
S2 + F = SF6 =>
S2 + 12 F = 2 SF6
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
NO2 + ClO4 = NO3 + ClO3 =>
NO2 + ClO4 = NO3 + ClO3
Mg(OH)2 + H3PO3 = Mg3O6P2 + H2O =>
3 Mg(OH)2 + 2 H3PO3 = Mg3O6P2 + 6 H2O
SnCl2 + K2Cr2O7 + H2SO4 = Sn(SO4)2 + SnCl4 + Cr2(SO4)3 + KCl + H2O =>
3 SnCl2 + K2Cr2O7 + 7 H2SO4 = 2 Sn(SO4)2 + SnCl4 + Cr2(SO4)3 + 2 KCl + 7 H2O
P + Ce = PCe5 =>
P + 5 Ce = PCe5
K + Sn(NO3)4 = K(NO3) + Sn4 =>
16 K + 4 Sn(NO3)4 = 16 K(NO3) + Sn4
AgBr = Ag + Br2 =>
2 AgBr = 2 Ag + Br2
C3H6 = C3H4 + H2 =>
C3H6 = C3H4 + H2
AuCl3 = Au + Cl2 =>
2 AuCl3 = 2 Au + 3 Cl2
Cu2O + SO3 = Cu2SO4 =>
Cu2O + SO3 = Cu2SO4
C3H6 + O = CO2 + H2O =>
C3H6 + 9 O = 3 CO2 + 3 H2O
V + ZnBr2 = VBr3 + Zn =>
2 V + 3 ZnBr2 = 2 VBr3 + 3 Zn
C7H6O3 + H2SO4 = C7H6O6S + H2O =>
C7H6O3 + H2SO4 = C7H6O6S + H2O
Br2 + H2O = HBr + O2 =>
2 Br2 + 2 H2O = 4 HBr + O2
Pb(NO3)2 + AlCl3 = PbCl2 + Al(NO3)3 =>
3 Pb(NO3)2 + 2 AlCl3 = 3 PbCl2 + 2 Al(NO3)3
AgCl + PbI2 = AgI + PbCl2 =>
2 AgCl + PbI2 = 2 AgI + PbCl2
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
Fe + HF = FeF3 + H2 =>
2 Fe + 6 HF = 2 FeF3 + 3 H2
Cu(s) + HgCl2(aq) = Hg(s) + CuCl2(aq) =>
Cu(s) + HgCl2(aq) = Hg(s) + CuCl2(aq)
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
CuSO4 + K4[Fe(CN)6] = Cu2Fe(CN)6 + K2SO4 =>
2 CuSO4 + K4[Fe(CN)6] = Cu2Fe(CN)6 + 2 K2SO4
Pb + Br2 = PbBr4 =>
Pb + 2 Br2 = PbBr4
H3AsO4 = As2O5 + H2O =>
2 H3AsO4 = As2O5 + 3 H2O
Co(OH)3 + H{+} = Co2{+} + O2 + H2O =>
8 Co(OH)3 + 4 H{+} = 4 Co2{+} + 5 O2 + 14 H2O
Mg3N2 + O2 = MgO + N2O5 =>
Mg3N2 + 4 O2 = 3 MgO + N2O5
C7H16(g) + O2(g) = CO2(g) + H2O(l) =>
C7H16(g) + 11 O2(g) = 7 CO2(g) + 8 H2O(l)
K3MnO4 + H2O = K2MnO4 + MnO(OH)2 + KOH =>
2 K3MnO4 + 3 H2O = K2MnO4 + MnO(OH)2 + 4 KOH
NaCI + H2SO4 = NaHSO4 + HCI =>
NaCI + H2SO4 = NaHSO4 + HCI
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Ca + AgCl = CaCl2 + Ag =>
Ca + 2 AgCl = CaCl2 + 2 Ag
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
Cd + HBr = CdBr2 + H2 =>
Cd + 2 HBr = CdBr2 + H2
KMnO4 + H2SO4 + KI = MnSO4 + H2O + I2 + K2SO4 =>
2 KMnO4 + 8 H2SO4 + 10 KI = 2 MnSO4 + 8 H2O + 5 I2 + 6 K2SO4
NH4 + ClO3 = NH4ClO3 =>
NH4 + ClO3 = NH4ClO3
CuSO4 + Ni = Cu + Ni2(SO4) =>
CuSO4 + 2 Ni = Cu + Ni2(SO4)
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
KNO3 + C = K2O + N2 + CO2 =>
4 KNO3 + 5 C = 2 K2O + 2 N2 + 5 CO2
NiCl2 + Na2S = NiS + NaCl =>
NiCl2 + Na2S = NiS + 2 NaCl
I2 + OH{-} = I{-} + IO3{-} + H2O =>
3 I2 + 6 OH{-} = 5 I{-} + IO3{-} + 3 H2O
MgSO4(aq) + AgNO3(aq) = Ag2SO4(s) + Mg(NO3)2(aq) =>
MgSO4(aq) + 2 AgNO3(aq) = Ag2SO4(s) + Mg(NO3)2(aq)
Zn(ClO3)2 = ZnCl2 + O2 =>
Zn(ClO3)2 = ZnCl2 + 3 O2
Mo + HNO3 = H2MoO4 + NO =>
Mo + 2 HNO3 = H2MoO4 + 2 NO
Fe + HNO3 = Fe(NO3)3 + NO2 + H2O =>
Fe + 6 HNO3 = Fe(NO3)3 + 3 NO2 + 3 H2O
Ag2S + KCN = KAg(CN)2 + K2S =>
Ag2S + 4 KCN = 2 KAg(CN)2 + K2S
Na2S2O3 + HNO3 = NaNO3 + H2S2O3 =>
Na2S2O3 + 2 HNO3 = 2 NaNO3 + H2S2O3
Cr + Pb(NO3)2 = Cr(NO3)2 + Pb =>
Cr + Pb(NO3)2 = Cr(NO3)2 + Pb
Na2S2O3 + HNO3 = NaNO3 + H2O + SO2 + S8 =>
8 Na2S2O3 + 16 HNO3 = 16 NaNO3 + 8 H2O + 8 SO2 + S8
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