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3 Cr2O7 + 7 I = 6 Cr + 7 IO3
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
Cd + H2CO3 = CdH2CO3 =>
Cd + H2CO3 = CdH2CO3
FeC2O4*2H2O = Fe2O3 + CO2 + H2 + O2 =>
4 FeC2O4*2H2O = 2 Fe2O3 + 8 CO2 + 8 H2 + O2
H3N + Br2 = NH4Br + N2 =>
8 H3N + 3 Br2 = 6 NH4Br + N2
K{+} + e = K =>
K{+} + e = K
S2C = CS2 =>
S2C = CS2
PbO2 + Mn2 = Pb2 + Mn2O3 =>
6 PbO2 + 4 Mn2 = 3 Pb2 + 4 Mn2O3
K2CrO4 + SO2 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
2 K2CrO4 + 3 SO2 + 2 H2SO4 = 2 K2SO4 + Cr2(SO4)3 + 2 H2O
Na2S + AgCH3CO2 = Ag2S + NaCH3CO2 =>
Na2S + 2 AgCH3CO2 = Ag2S + 2 NaCH3CO2
Pb + H2 = PbH4 = =>
Pb + 2 H2 = PbH4
CS + O = CO + SO =>
CS + 2 O = CO + SO
Pb + S(s) = PbS =>
Pb + S(s) = PbS
H3CCH3 + O2 = CO2 + H2O =>
2 H3CCH3 + 7 O2 = 4 CO2 + 6 H2O
MnO4{-} + H2SO4 + Br{-} = MnSO4 + Br2 + H2O + SO4{-} =>
MnO4{-} + 4 H2SO4 + 2 Br{-} = MnSO4 + Br2 + 4 H2O + 3 SO4{-}
Mg + CO2 = CO + MgO =>
Mg + CO2 = CO + MgO
CH3COOH(aq) = CH3COO + H =>
CH3COOH(aq) = CH3COO + H
Al2(FeO)3 = Fe3 + Al2O3 =>
Al2(FeO)3 = Fe3 + Al2O3
Zn(NO3)2 = NO2 + O2 + ZnO =>
2 Zn(NO3)2 = 4 NO2 + O2 + 2 ZnO
Na2S*9H2O + Cd(NO3)2 = CdS + NaNO3 + H2O =>
Na2S*9H2O + Cd(NO3)2 = CdS + 2 NaNO3 + 9 H2O
HNO3 + C6H12O6 = H2C2O4 + H2O + NO =>
6 HNO3 + C6H12O6 = 3 H2C2O4 + 6 H2O + 6 NO
CH3CH2CH2OH + K2Cr2O7 + H2SO4 = CH3CH2COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3CH2COOH + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
Au + HgCl2 = Hg + AuCl =>
2 Au + HgCl2 = Hg + 2 AuCl
Cu + H2O + CO2 + O2 = Cu3(CO3)2(OH)2 =>
6 Cu + 2 H2O + 4 CO2 + 3 O2 = 2 Cu3(CO3)2(OH)2
FeS + HCI = FeSHCI =>
FeS + HCI = FeSHCI
Co(H2O)6{2+} + HCl = CoCl4{2-} + H2{2+} + H2O =>
Co(H2O)6{2+} + 4 HCl = CoCl4{2-} + 2 H2{2+} + 6 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
BaN2O6 + H2SO4 = BaSO4 + HNO3 =>
BaN2O6 + H2SO4 = BaSO4 + 2 HNO3
NaOH + FeS = Na2S + Fe(OH)2 =>
2 NaOH + FeS = Na2S + Fe(OH)2
Mg(NO3)2 + EDTA = MgEDTA + NO3 =>
Mg(NO3)2 + EDTA = MgEDTA + 2 NO3
Ca + Mn(SO4)2 = Ca(SO4)2 + Mn =>
Ca + Mn(SO4)2 = Ca(SO4)2 + Mn
FeCl3 + NH4Cl = FeCl2 + N2 + HCl =>
6 FeCl3 + 2 NH4Cl = 6 FeCl2 + N2 + 8 HCl
Pb(NO3)2 + BrNH4 = PbNH4 + Br(NO3)2 =>
Pb(NO3)2 + BrNH4 = PbNH4 + Br(NO3)2
Na2CO3 + H2ClO3 = Na2ClO3 + H2CO3 =>
Na2CO3 + H2ClO3 = Na2ClO3 + H2CO3
H{+} + Cr2O7 + I{-} = I2 + Cr{3+} + H2O =>
14 H{+} + Cr2O7 + 8 I{-} = 4 I2 + 2 Cr{3+} + 7 H2O
ZnSO4 + HNO3 = ZnNO3 + HSO4 =>
ZnSO4 + HNO3 = ZnNO3 + HSO4
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
P2H4 = PH3 + P46 =>
69 P2H4 = 92 PH3 + P46
MgMoO + Al(PO4) = Al2(MoO)3 + Mg3(PO4)2 =>
3 MgMoO + 2 Al(PO4) = Al2(MoO)3 + Mg3(PO4)2
C6H5NH2 + Br2 = C6H5Br3NH2 =>
2 C6H5NH2 + 3 Br2 = 2 C6H5Br3NH2
Na2O(l) + H2O(l) = NaOH(ac) =>
Na2O(l) + H2O(l) = 2 NaOH(ac)
CrO7{2-} + C2H5OH + H{+} = Cr{3+} + CH3CHO + H2O =>
2 CrO7{2-} + 9 C2H5OH + 10 H{+} = 2 Cr{3+} + 9 CH3CHO + 14 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Ni{+} = Ni{2+} + Ni =>
2 Ni{+} = Ni{2+} + Ni
H2O(l) + Br2(g) = HBr(aq) + HBrO(aq) =>
H2O(l) + Br2(g) = HBr(aq) + HBrO(aq)
N2H4 + N2O4 = NO + H2O =>
N2H4 + 2 N2O4 = 6 NO + 2 H2O
C2H6O2 = C4H8O2 + H2O =>
2 C2H6O2 = C4H8O2 + 2 H2O
ZnSO4 + H2O = H2SO4 + Zn(OH)2 =>
ZnSO4 + 2 H2O = H2SO4 + Zn(OH)2
Co(NO3)3 + (NH4)2C2O4 = Co2(C2O4)3 + NH4NO3 =>
2 Co(NO3)3 + 3(NH4)2C2O4 = Co2(C2O4)3 + 6 NH4NO3
{+}2 = {+} =>
{+}2 = {+}
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