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(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
Cr{3+} + (NH4)2S2O8 + H2O = CrO4{2-} + (NH4)2SO4 + H2SO4 + H{+} =>
2 Cr{3+} + 3(NH4)2S2O8 + 8 H2O = 2 CrO4{2-} + 3(NH4)2SO4 + 3 H2SO4 + 10 H{+}
K2Cr2O7 + H2SO4 + H2O + C2H5OH = KCr(SO4)2*12H2O + C2H5O =>
K2Cr2O7 + 4 H2SO4 + 17 H2O + 6 C2H5OH = 2 KCr(SO4)2*12H2O + 6 C2H5O
MgCl2 + KNO3 = Mg(NO3)2 + KCl =>
MgCl2 + 2 KNO3 = Mg(NO3)2 + 2 KCl
Rh + S = RhS =>
Rh + S = RhS
Cu + NaOH = Cu(OH)2 + Na2 =>
Cu + 2 NaOH = Cu(OH)2 + Na2
Mn(NO3)2 + PbO2 + HNO3 = Pb(NO3)2 + Pb(MnO4)2 + H2O =>
2 Mn(NO3)2 + 5 PbO2 + 4 HNO3 = 4 Pb(NO3)2 + Pb(MnO4)2 + 2 H2O
H2SO3 + Ca = Ca(SO3)2 + H2 =>
2 H2SO3 + Ca = Ca(SO3)2 + 2 H2
NH4Cl + H2SO4 = (NH4)2SO4 + HCl =>
2 NH4Cl + H2SO4 = (NH4)2SO4 + 2 HCl
N2(g)O2(g) = NO(g) =>
N2(g)O2(g) = 2 NO(g)
SO3 + I2 = SIO + IO =>
2 SO3 + 3 I2 = 2 SIO + 4 IO
Hg + Sb2O7 = Hg2Sb2O7 =>
2 Hg + Sb2O7 = Hg2Sb2O7
Al2O3 + H2 = Al + H2O =>
Al2O3 + 3 H2 = 2 Al + 3 H2O
N2(g)O2(g) = NO(g) =>
N2(g)O2(g) = 2 NO(g)
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
AgNO3 + NH4OH + CH3COCH3 = Ag + CH3COOH + NH4{+} + NO3{-} =>
24 AgNO3 + 16 NH4OH + 14 CH3COCH3 = 24 Ag + 21 CH3COOH + 20 NH4{+} + 20 NO3{-}
N2(g)O2(g) = NO(g) =>
N2(g)O2(g) = 2 NO(g)
Al + Zn(NO3)2 = Al(NO3)3 + Zn =>
2 Al + 3 Zn(NO3)2 = 2 Al(NO3)3 + 3 Zn
Mg(NO3)2 + LiOH = Mg(OH)2 + Li(NO3) =>
Mg(NO3)2 + 2 LiOH = Mg(OH)2 + 2 Li(NO3)
Fe2 + HCl = Fe2Cl3 + H2 =>
2 Fe2 + 6 HCl = 2 Fe2Cl3 + 3 H2
Cl2O7 + H2O = HClO4 =>
Cl2O7 + H2O = 2 HClO4
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
N2(g)O2(g) = NO(g) =>
N2(g)O2(g) = 2 NO(g)
CO2(g) + H2O(l) = C6H12O6(l) + O2(g) =>
6 CO2(g) + 6 H2O(l) = C6H12O6(l) + 6 O2(g)
Co + Cl2 + NaOH = Co(OH)2 + NaCl =>
Co + Cl2 + 2 NaOH = Co(OH)2 + 2 NaCl
Cr(OH)3 + O2 + KOH = K2CrO4 + H2O =>
4 Cr(OH)3 + 3 O2 + 8 KOH = 4 K2CrO4 + 10 H2O
HgO + Se + OH{-} = Hg2O + SeO4{-2} + H2O =>
6 HgO + Se + 2 OH{-} = 3 Hg2O + SeO4{-2} + H2O
N2(g)O2(g) = NO(g) =>
N2(g)O2(g) = 2 NO(g)
NaOH + H2SO4 = Na2(HSO4)2 + H2O =>
2 NaOH + 2 H2SO4 = Na2(HSO4)2 + 2 H2O
HNO3 + CuSO4 = Cu(NO3)2 + H2SO4 =>
2 HNO3 + CuSO4 = Cu(NO3)2 + H2SO4
CuCl22H2O + Al = H2O + AlCl3 + Cu =>
3 CuCl22H2O + 22 Al = 3 H2O + 22 AlCl3 + 3 Cu
Ba(HS)2 + HNO3 = Ba(NO3)2 + S + NO + H2O =>
3 Ba(HS)2 + 10 HNO3 = 3 Ba(NO3)2 + 6 S + 4 NO + 8 H2O
C6H6(l) + O2(g) = CO2(g) + H2O(g) =>
2 C6H6(l) + 15 O2(g) = 12 CO2(g) + 6 H2O(g)
CaSO4 + Na2CO3 = CaCO3 + Na2SO4 =>
CaSO4 + Na2CO3 = CaCO3 + Na2SO4
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
Cr(OH)3 + (HClO4) = Cr(ClO4)3 + H2O =>
Cr(OH)3 + 3(HClO4) = Cr(ClO4)3 + 3 H2O
PbO + Mg = Pb + MgO =>
PbO + Mg = Pb + MgO
C7H16(l) + O2(g) = CO2(g) + H2O(g) =>
C7H16(l) + 11 O2(g) = 7 CO2(g) + 8 H2O(g)
N2(g)O2(g) = NO(g) =>
N2(g)O2(g) = 2 NO(g)
Fe2(SO4)3 + KOH = Fe(OH)3 + K2SO4 =>
Fe2(SO4)3 + 6 KOH = 2 Fe(OH)3 + 3 K2SO4
Sb + H{+} = Sb{3+} + H2 =>
2 Sb + 6 H{+} = 2 Sb{3+} + 3 H2
Cl{+} + O = ClO{+} =>
Cl{+} + O = ClO{+}
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
Cl2O7 + Ca(OH)2 = Ca(ClO4)2 + H2O =>
Cl2O7 + Ca(OH)2 = Ca(ClO4)2 + H2O
C27H55 + O2 = CO2 + H2O =>
4 C27H55 + 163 O2 = 108 CO2 + 110 H2O
C4H13OH + O2 = H2O + CO2 =>
C4H13OH + 7 O2 = 7 H2O + 4 CO2
Cl2(g) + KBr(aq) = Br2(l) + KCl =>
Cl2(g) + 2 KBr(aq) = Br2(l) + 2 KCl
N2(g)O2(g) = NO(g) =>
N2(g)O2(g) = 2 NO(g)
Pb(NO3)2 + HCl = PbCl2 + HNO3 =>
Pb(NO3)2 + 2 HCl = PbCl2 + 2 HNO3
KMnO4 + Cr(OH)3 + KOH = K2MnO4 + K2Cr2O7 + HOH =>
6 KMnO4 + 2 Cr(OH)3 + 8 KOH = 6 K2MnO4 + K2Cr2O7 + 7 HOH
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