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HCO2H + NaHCO3 = HCO2Na + H2O + CO2
Sn(OH)2 + NaOH = Na2[Sn(OH)4] =>
Sn(OH)2 + 2 NaOH = Na2[Sn(OH)4]
Na2SO4 + Fe = Fe2O3 + Na2SO3 =>
3 Na2SO4 + 2 Fe = Fe2O3 + 3 Na2SO3
Fe2P + S = P4S10 + FeS =>
4 Fe2P + 18 S = P4S10 + 8 FeS
Hg + NaCl = HgCl + Na =>
Hg + NaCl = HgCl + Na
C4H8(g) + O2(aq) = CO2(g) + H2O(l) =>
C4H8(g) + 6 O2(aq) = 4 CO2(g) + 4 H2O(l)
NH3Cl + H2O = H3O + NH2Cl =>
NH3Cl + H2O = H3O + NH2Cl
C7H6O2 + C7H12O4 = C14H10O4 + C2H6O =>
43 C7H6O2 + 3 C7H12O4 = 21 C14H10O4 + 14 C2H6O
Na2O + HCOOH = Na{+} + OH{-} + HCOO{-} =>
Na2O + HCOOH = 2 Na{+} + OH{-} + HCOO{-}
S{2-} = S + {-} =>
S{2-} = S + 2e
Ca(NO3)2 + C6H8O7 + H3PO4 = Ca5(PO4)3OH + H2O + CO2 + N2 =>
45 Ca(NO3)2 + 25 C6H8O7 + 27 H3PO4 = 9 Ca5(PO4)3OH + 136 H2O + 150 CO2 + 45 N2
KI + K2Cr2O7 + H2SO4 = Cr2S3O12 + I2 + K2SO4 + H2O =>
6 KI + K2Cr2O7 + 7 H2SO4 = Cr2S3O12 + 3 I2 + 4 K2SO4 + 7 H2O
At2 + H2O + Br2 = HBr + AtO =>
At2 + 2 H2O + 2 Br2 = 4 HBr + 2 AtO
Pb(OH)2 + OH = Pb(OH)3 =>
Pb(OH)2 + OH = Pb(OH)3
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
BiCl3 + H2O = BiOCl + H*Cl =>
BiCl3 + H2O = BiOCl + 2 H*Cl
NaNO3 + BaH2 = Ba(NO3)2 + NaH =>
2 NaNO3 + BaH2 = Ba(NO3)2 + 2 NaH
Na2S2O3 + KMnO4 + H2SO4 = K2SO4 + H2O + MnSO4 + Na2SO4 =>
5 Na2S2O3 + 8 KMnO4 + 7 H2SO4 = 4 K2SO4 + 7 H2O + 8 MnSO4 + 5 Na2SO4
Ca(HCO3)2 + NaOH = Ca(OH)2 + Na2CO3 + H2O =>
Ca(HCO3)2 + 4 NaOH = Ca(OH)2 + 2 Na2CO3 + 2 H2O
Pb(NO3)2(aq) + Rb3AsO4(aq) = Pb3(AsO4)2(s) + RbNO3(aq) =>
3 Pb(NO3)2(aq) + 2 Rb3AsO4(aq) = Pb3(AsO4)2(s) + 6 RbNO3(aq)
C2H3Br + KOH = C2H4 + KBr + O2 =>
2 C2H3Br + 2 KOH = 2 C2H4 + 2 KBr + O2
Bi(OH)3(s) + K2SnO2(s) = Bi(s) + K2SnO3(s) + H2O(i) =>
2 Bi(OH)3(s) + 3 K2SnO2(s) = 2 Bi(s) + 3 K2SnO3(s) + 3 H2O(i)
K2CrO4 + SrCl2 = SrCrO4 + (KCl) =>
K2CrO4 + SrCl2 = SrCrO4 + 2(KCl)
Li2SO3 + HC2H3O2 = LiC2H3O2 + H2SO3 =>
Li2SO3 + 2 HC2H3O2 = 2 LiC2H3O2 + H2SO3
PH3 + K2CrO4 + H2O = K3PO4 + KCr(OH)4 + OH =>
PH3 + 3 K2CrO4 + 5 H2O = K3PO4 + 3 KCr(OH)4 + OH
Re2O7 + Re = ReO2 =>
2 Re2O7 + 3 Re = 7 ReO2
Fe + Au(NO3)3 = Au + Fe(NO3)2 =>
3 Fe + 2 Au(NO3)3 = 2 Au + 3 Fe(NO3)2
NH4VO3 + H2O2 + NaOH = Na3VO8 + H2O + NH4OH =>
NH4VO3 + 4 H2O2 + 3 NaOH = Na3VO8 + 5 H2O + NH4OH
CaF2 + K3Po4 = Ca3(Po4)2 + KF =>
3 CaF2 + 2 K3Po4 = Ca3(Po4)2 + 6 KF
Li + CdSO4 = Li2O + Cd + SO2 =>
4 Li + CdSO4 = 2 Li2O + Cd + SO2
Fe(OH)2 + HBr = FeBr2 + H2O =>
Fe(OH)2 + 2 HBr = FeBr2 + 2 H2O
NOBr = NO + Br =>
NOBr = NO + Br
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
K2MnO4 + H2O = KOH + H + KMnO4 =>
K2MnO4 + H2O = KOH + H + KMnO4
Sr + H3PO4 = Sr3(PO4)2 + H2 =>
3 Sr + 2 H3PO4 = Sr3(PO4)2 + 3 H2
NH4HCO3 + NH3 = (NH4)2CO3 =>
NH4HCO3 + NH3 = (NH4)2CO3
Br2(aq) + CaCl2(aq) = CaBr2 + Cl2 =>
Br2(aq) + CaCl2(aq) = CaBr2 + Cl2
Ni10 + S = NiS =>
Ni10 + 10 S = 10 NiS
TiCl4 + NaF = NaCl4 + TiF =>
TiCl4 + NaF = NaCl4 + TiF
Pb(ll)NO3 + Na2SO4 = Pb(ll)SO4 + Na2NO3 =>
Pb(ll)NO3 + Na2SO4 = Pb(ll)SO4 + Na2NO3
Mn(OH)2 + Pb2O4 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
4 Mn(OH)2 + 5 Pb2O4 + 20 HNO3 = 4 HMnO4 + 10 Pb(NO3)2 + 12 H2O
(NH4)2MoO4 + H2SO4 + Zn = Mo2(SO4)3 + ZnSO4 + H2O + NH3 =>
2(NH4)2MoO4 + 6 H2SO4 + 3 Zn = Mo2(SO4)3 + 3 ZnSO4 + 8 H2O + 4 NH3
HS + CaOH = CaS + H2O =>
HS + CaOH = CaS + H2O
PbCl2 + NaOH = Pb(OH)2 + NaCl =>
PbCl2 + 2 NaOH = Pb(OH)2 + 2 NaCl
P4 + Au{+} = Au{3+} + P{3-} =>
P4 + 6 Au{+} = 6 Au{3+} + 4 P{3-}
MgCl2 + HNO3 + HCl = NO + MgCl4 + H2O =>
3 MgCl2 + 2 HNO3 + 6 HCl = 2 NO + 3 MgCl4 + 4 H2O
MnClO3 = MnCl + O2 =>
2 MnClO3 = 2 MnCl + 3 O2
C2H12(g) + O2 = CO2(g) + H2O(g) =>
C2H12(g) + 5 O2 = 2 CO2(g) + 6 H2O(g)
C + KNO3 + S = CO2 + N + K2S =>
3 C + 2 KNO3 + S = 3 CO2 + 2 N + K2S
NH2CH2COOCH3 + HCl = CH3Cl + NH2CH2COOH =>
NH2CH2COOCH3 + HCl = CH3Cl + NH2CH2COOH
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