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K2Cr2O7 + 7 H2SO4 + 2 FeC2O4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 4 CO2 + 7 H2O
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
Hg(NO3)2 + NaCl = HgCl2 + NaNO3 =>
Hg(NO3)2 + 2 NaCl = HgCl2 + 2 NaNO3
Be + HBr = BeBr2 + H2 =>
Be + 2 HBr = BeBr2 + H2
Na3CrO3 + Cl2 + NaOH = Na3CrO4 + NaCl + H2O =>
Na3CrO3 + Cl2 + 2 NaOH = Na3CrO4 + 2 NaCl + H2O
Hg(NO3)2 + H2SO4 + H2O = HgSO4(HgO)2 + HNO3 =>
3 Hg(NO3)2 + H2SO4 + 2 H2O = HgSO4(HgO)2 + 6 HNO3
NaHCO3 + Hg3N2 = Na3N + Hg(HCO3)2 =>
6 NaHCO3 + Hg3N2 = 2 Na3N + 3 Hg(HCO3)2
C4H8OH + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
10 C4H8OH + 14 KMnO4 + 21 H2SO4 = 20 CH3COOH + 14 MnSO4 + 7 K2SO4 + 26 H2O
HCl + (NaOH)2 = NaCl + H2O =>
2 HCl + (NaOH)2 = 2 NaCl + 2 H2O
*5Ca(NO3)2*NH4NO3*10H2O + H2SO4 = CaSO4*2H2O + (NH4)2SO4 + HNO3 =>
2*5Ca(NO3)2*NH4NO3*10H2O + 11 H2SO4 = 10 CaSO4*2H2O + (NH4)2SO4 + 22 HNO3
AgC1 + NH4OH = Ag(NH3)2C1 + H2O =>
AgC1 + 2 NH4OH = Ag(NH3)2C1 + 2 H2O
AlCl3 + H2O = Al2O3 + ClH =>
2 AlCl3 + 3 H2O = Al2O3 + 6 ClH
FeS + H{+} = Fe{+2} + HS{-} =>
FeS + H{+} = Fe{+2} + HS{-}
FeO3 + CO = Fe + CO2 =>
FeO3 + 3 CO = Fe + 3 CO2
MnO4{-]+CH2CH2 = CO2+OH{-}+MnO2 =>
4 MnO4{-]+CH2CH2 = 2 CO2+4OH{-}+4MnO2
C + O2 = CO =>
2 C + O2 = 2 CO
(CaO)4SiO4 + H2O = (CaO)3SiO4H6O3 + Ca(OH)2 =>
(CaO)4SiO4 + 4 H2O = (CaO)3SiO4H6O3 + Ca(OH)2
K3PO4 + SrSO4 = Sr3(PO4)2 + K2SO4 =>
2 K3PO4 + 3 SrSO4 = Sr3(PO4)2 + 3 K2SO4
NaCl + K2Cr2O7 + H2SO4 = Na2SO4 + Cr2(SO4)3 + K2SO4 + Cl2 + H2O =>
6 NaCl + K2Cr2O7 + 7 H2SO4 = 3 Na2SO4 + Cr2(SO4)3 + K2SO4 + 3 Cl2 + 7 H2O
H{+} + CH2O + Fe(OH)2{+} = FeCO3 + H2O + Fe{2+} =>
2 H{+} + CH2O + 4 Fe(OH)2{+} = FeCO3 + 6 H2O + 3 Fe{2+}
HON + S = NO + HS =>
HON + S = NO + HS
C4H8 + C2H6 = C4H10 =>
C4H8 + 2 C2H6 = 2 C4H10
*3CH3OH + *3O2 = CO2 + H2O =>
2*3CH3OH + 3*3O2 = 6 CO2 + 12 H2O
LiCl + NaF = LiF + NaCl =>
LiCl + NaF = LiF + NaCl
Cu + N + O2 = Cu(NO3)2 =>
Cu + 2 N + 3 O2 = Cu(NO3)2
FeCl3 + KBr = FeBr3 + KCl =>
FeCl3 + 3 KBr = FeBr3 + 3 KCl
Kr + S2 = Kr2S =>
4 Kr + S2 = 2 Kr2S
Fe + Na2SO4 = Fe2O3 + Na2S =>
8 Fe + 3 Na2SO4 = 4 Fe2O3 + 3 Na2S
CsO2 + CO2 = Cs2CO3 + O2 =>
4 CsO2 + 2 CO2 = 2 Cs2CO3 + 3 O2
S3P2 + CaCl2 = Ca3P2 + SCl2 =>
S3P2 + 3 CaCl2 = Ca3P2 + 3 SCl2
CaSO4 + H2O = H2SO4 + Ca(OH)2 =>
CaSO4 + 2 H2O = H2SO4 + Ca(OH)2
Fe + (HBr) = FeBr2 + H2 =>
Fe + 2(HBr) = FeBr2 + H2
KMnO4 + H2SO4 + Sb = K2SO4 + MnSO4 + SbO + H2O =>
2 KMnO4 + 3 H2SO4 + 5 Sb = K2SO4 + 2 MnSO4 + 5 SbO + 3 H2O
KI(aq) + BaS(aq) = KS + IBa =>
KI(aq) + BaS(aq) = KS + IBa
Fe(NO3)3*9H2O + Ni(NO3)2*6H2O = NiFe5O8 + H2O + N2 + O2 =>
10 Fe(NO3)3*9H2O + 2 Ni(NO3)2*6H2O = 2 NiFe5O8 + 102 H2O + 17 N2 + 43 O2
CO + H2 = CH3OH =>
CO + 2 H2 = CH3OH
KBr + ClH2O = KCl + BrH2O =>
KBr + ClH2O = KCl + BrH2O
Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + 2 KNO3
NaCO3 + Na2S + SO2 = Na2S2O3 + CO2 =>
2 NaCO3 + 3 Na2S + 5 SO2 = 4 Na2S2O3 + 2 CO2
Ca3(PO4)2 + SiO2 = P4O10 + CaSiO3 =>
2 Ca3(PO4)2 + 6 SiO2 = P4O10 + 6 CaSiO3
Rb3N + O2 = Rb2O + N2 =>
4 Rb3N + 3 O2 = 6 Rb2O + 2 N2
CaF2 + H2SO4 = CaSO4 + HF =>
CaF2 + H2SO4 = CaSO4 + 2 HF
Mg + Nb2O5 = MgO + Nb =>
5 Mg + Nb2O5 = 5 MgO + 2 Nb
CaCl2 + Cu(NO3)2 = Ca(NO3)2 + CuCl2 =>
CaCl2 + Cu(NO3)2 = Ca(NO3)2 + CuCl2
C5H6O + O2 = CO2 + H2O(water) =>
C5H6O + 6 O2 = 5 CO2 + 3 H2O(water)
H2CO3(aq) + NH3(aq) = (NH4)2CO3 =>
H2CO3(aq) + 2 NH3(aq) = (NH4)2CO3
(CH3(CH2)4CH3) + O2 = (CO2) + (H2O) =>
2(CH3(CH2)4CH3) + 19 O2 = 12(CO2) + 14(H2O)
Na2S + Mn(NO3)2 = MnS + Na2(NO3)2 =>
Na2S + Mn(NO3)2 = MnS + Na2(NO3)2
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
Fe2S3 + CaCO3 = Fe2(CO3)3 + CaS =>
Fe2S3 + 3 CaCO3 = Fe2(CO3)3 + 3 CaS
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