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2 K2Cr2O7 + 10 NaHSO3 + 3 H2SO4 = 4 Cr(SO4) + 4 KSO3 + 5 Na2SO4 + 8 H2O
Sn + NaOH = Na2SnO2 + H =>
Sn + 2 NaOH = Na2SnO2 + 2 H
HCl + NOH = NHCl2 + H2O =>
2 HCl + NOH = NHCl2 + H2O
C3H6 + O2 = C2O4 + H6 =>
2 C3H6 + 6 O2 = 3 C2O4 + 2 H6
Sr(OH)2 = Sr + O + H =>
Sr(OH)2 = Sr + 2 O + 2 H
CH3(CH2)64H3 + O2 = CO2 + H2O =>
2 CH3(CH2)64H3 + 197 O2 = 130 CO2 + 134 H2O
C7H9N + Br2 = C7H5Br3N + HBr =>
2 C7H9N + 7 Br2 = 2 C7H5Br3N + 8 HBr
NiFe2O4 + H2 = Ni + Fe + H2O =>
NiFe2O4 + 4 H2 = Ni + 2 Fe + 4 H2O
Se + HClO4 = SeO2 + Cl2 + H2O =>
7 Se + 4 HClO4 = 7 SeO2 + 2 Cl2 + 2 H2O
C3H8O + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O + C3H6O2 =>
3 C3H8O + 2 Na2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 Na2SO4 + 11 H2O + 3 C3H6O2
Cl2(g) + NaI = NaCl + I2 =>
Cl2(g) + 2 NaI = 2 NaCl + I2
Ba2C = Ba + C =>
Ba2C = 2 Ba + C
Cu(c) + O2(c) = CuO =>
2 Cu(c) + O2(c) = 2 CuO
CuS(s) = Cu(s) + S(s) =>
CuS(s) = Cu(s) + S(s)
Na(OH) + CaF2 = Ca(OH)2 + NaF =>
2 Na(OH) + CaF2 = Ca(OH)2 + 2 NaF
CaF + H2SO4 = H2F + CaSO4 =>
CaF + H2SO4 = H2F + CaSO4
HI(aq) + NaHCO3(aq) = H2CO3 + NaI =>
HI(aq) + NaHCO3(aq) = H2CO3 + NaI
FeS5 + H2O + O2 = FeSO4 + H2SO4 =>
FeS5 + 4 H2O + 8 O2 = FeSO4 + 4 H2SO4
H4SiO4 + Ca(OH)2 = Ca4(SiO4)2 + H2O =>
2 H4SiO4 + 4 Ca(OH)2 = Ca4(SiO4)2 + 8 H2O
Fe(NO3)3 + NH4NCS = Fe(SCN)6 + NO3 + NH4 =>
Fe(NO3)3 + 6 NH4NCS = Fe(SCN)6 + 3 NO3 + 6 NH4
Cr + OH = CrO4 + H2 =>
Cr + 4 OH = CrO4 + 2 H2
K2O(s) + HNO3(aq) = KNO3(aq) + H2O(l) =>
K2O(s) + 2 HNO3(aq) = 2 KNO3(aq) + H2O(l)
C2H5(OH) + CH3COOH = CH3COOC2H5 + H2O =>
C2H5(OH) + CH3COOH = CH3COOC2H5 + H2O
Am + O2 = AmO =>
2 Am + O2 = 2 AmO
FeCl3 + AgN03 = Fe(N03)3 + AgCl =>
FeCl3 + 3 AgN03 = Fe(N03)3 + 3 AgCl
Fe2O3 + A1 = Fe + A12O3 =>
Fe2O3 + 12 A1 = 2 Fe + A12O3
NO + KClO3 + KOH = KCl + KNO3 + H2O =>
2 NO + KClO3 + 2 KOH = KCl + 2 KNO3 + H2O
*B2Br6 + HNO3 = B(NO3)3 + HBr =>
*B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Fe2O3 + (NH4)2CO3 = Fe2(CO3)3 + (NH4)2O =>
Fe2O3 + 3(NH4)2CO3 = Fe2(CO3)3 + 3(NH4)2O
Ca(HCO3)2 + Na2CO3 = CaCO3 + NaHCO3 =>
Ca(HCO3)2 + Na2CO3 = CaCO3 + 2 NaHCO3
CHCH + HI = CI + H =>
CHCH + 2 HI = 2 CI + 4 H
CaBr2 + AgNO3 = AgBr + Ca(NO3)2 =>
CaBr2 + 2 AgNO3 = 2 AgBr + Ca(NO3)2
(COOH)2*2H2O + NaOH = Na2C2O4 + H2O =>
(COOH)2*2H2O + 2 NaOH = Na2C2O4 + 4 H2O
NaOH + Cu(NO3)2 = Cu(OH)2 + NaNO3 =>
2 NaOH + Cu(NO3)2 = Cu(OH)2 + 2 NaNO3
Zn + HNO3 = (ZnNO3)2 + NO + H2O =>
6 Zn + 8 HNO3 = 3(ZnNO3)2 + 2 NO + 4 H2O
MnS + KMnO4 = MnO2 + K2MnO4 + K2SO4 =>
MnS + 4 KMnO4 = 4 MnO2 + K2MnO4 + K2SO4
HBrO2 + SO2 + H2O = Br2 + H2SO4 =>
2 HBrO2 + 3 SO2 + 2 H2O = Br2 + 3 H2SO4
CuS + HI = CuI2 + H2S =>
CuS + 2 HI = CuI2 + H2S
ZnCO3 + CH3COOH = ZnCH3COOH2 + CO2 + H2O =>
8 ZnCO3 + 11 CH3COOH = 8 ZnCH3COOH2 + 14 CO2 + 2 H2O
KMnO4 + CH2CH2 + H2SO4 + H = CH2OHCH2OH + MnSO4 + K2SO4 =>
2 KMnO4 + 4 CH2CH2 + 3 H2SO4 + 2 H = 4 CH2OHCH2OH + 2 MnSO4 + K2SO4
CaCl2 + HC2H3O2 = Ca(C2H3O2)2 + HCl =>
CaCl2 + 2 HC2H3O2 = Ca(C2H3O2)2 + 2 HCl
CuO + C6H8O7 = Cu3(C6H5O7)2 + H2O =>
3 CuO + 2 C6H8O7 = Cu3(C6H5O7)2 + 3 H2O
Fe(NO3)3 + K3Fe(CN)6 = Fe2(CN)6 + KNO3 =>
Fe(NO3)3 + K3Fe(CN)6 = Fe2(CN)6 + 3 KNO3
N2O5 + H2O = NH4 + O2 =>
2 N2O5 + 8 H2O = 4 NH4 + 9 O2
HCl(ac) + NaNO3(ac) = HNO3 + NaCl =>
HCl(ac) + NaNO3(ac) = HNO3 + NaCl
(NH4)2SO4 + NaOH = NH4OH + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH4OH + Na2SO4
C2H6O + Al2O3 = C2H4 + H2Al2O4 =>
C2H6O + Al2O3 = C2H4 + H2Al2O4
Cr(NO3)3 + Ba(OH)2 = Cr(OH)3 + Ba(NO3)2 =>
2 Cr(NO3)3 + 3 Ba(OH)2 = 2 Cr(OH)3 + 3 Ba(NO3)2
NaClO + As + H2O = NaCl + H3AsO4 =>
5 NaClO + 2 As + 3 H2O = 5 NaCl + 2 H3AsO4
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
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