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Ca(OH)2 + 2 HBr = CaBr2 + 2 H2O
Na2CO3(aq) + CaCl2(aq) = CaCO3(s) + NaCl(aq) = Na2CO3 + CaCl = CaCO3 + NaCl =>
Na2CO3(aq) + CaCl2(aq) = CaCO3(s) + 2 NaCl(aq)
Sc + HCl = ScCl3 + H2 =>
2 Sc + 6 HCl = 2 ScCl3 + 3 H2
H2S(s) + O2(g) = SO2(g) + H2O =>
2 H2S(s) + 3 O2(g) = 2 SO2(g) + 2 H2O
K2Cr2O7 + KI + H2(SO4) = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 7 H2(SO4) = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
AgNO3 + CuBr2 = AgBr + Cu(NO3)2 =>
2 AgNO3 + CuBr2 = 2 AgBr + Cu(NO3)2
Ag(NO3) + K2(CO3) = Ag2(CO3) + K(NO3) =>
2 Ag(NO3) + K2(CO3) = Ag2(CO3) + 2 K(NO3)
C24H80O6 + O2 = C + H2O =>
C24H80O6 + 17 O2 = 24 C + 40 H2O
K2Cr2O7 + H2O2 + H2SO4 = CrO5 + H2O + K2SO4 =>
K2Cr2O7 + 4 H2O2 + H2SO4 = 2 CrO5 + 5 H2O + K2SO4
HCl + HBr = BrCl2 + H2 =>
4 HCl + 2 HBr = 2 BrCl2 + 3 H2
CrO3 + H2O = CrO2(OH)2 =>
CrO3 + H2O = CrO2(OH)2
CuBr2 + AgNO3 = AgBr + Cu(NO3)2 =>
CuBr2 + 2 AgNO3 = 2 AgBr + Cu(NO3)2
Mg + HBr = MgBr2 + H1 =>
Mg + 2 HBr = MgBr2 + 2 H1
CO = C + CO2 =>
2 CO = C + CO2
Na3PO4(aq) + NiCl2(aq) = Ni3(PO4)2(s) + NaCl(aq) =>
2 Na3PO4(aq) + 3 NiCl2(aq) = Ni3(PO4)2(s) + 6 NaCl(aq)
Br2 + I2 = BrI =>
Br2 + I2 = 2 BrI
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
NiCl2 + Na + (PO4) = Ni3(PO4)2 + NaCl =>
3 NiCl2 + 6 Na + 2(PO4) = Ni3(PO4)2 + 6 NaCl
N2O4 + H2O = HN + O2 =>
2 N2O4 + 2 H2O = 4 HN + 5 O2
KINaNO2 = KNO2NaI =>
KINaNO2 = KNO2NaI
CrO2{-} + S2O8{-2} + OH{-} = CrO4{-2} + SO4{-2} + H2O =>
2 CrO2{-} + 3 S2O8{-2} + 8 OH{-} = 2 CrO4{-2} + 6 SO4{-2} + 4 H2O
PbCl2(s) = Pb + Cl2 =>
PbCl2(s) = Pb + Cl2
Pb(NO3)2 + H2S = PbS + HNO3 =>
Pb(NO3)2 + H2S = PbS + 2 HNO3
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Ba + (CrO4)2 = BaCrO4 =>
2 Ba + (CrO4)2 = 2 BaCrO4
ZnS + O + H2O = ZnO + H2SO4 =>
ZnS + 4 O + H2O = ZnO + H2SO4
Fe2S3 + O2 = Fe3O4 + SO3 =>
6 Fe2S3 + 35 O2 = 4 Fe3O4 + 18 SO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Zn + KOH + H2O = K2[Zn(OH)6] + H2 =>
Zn + 2 KOH + 4 H2O = K2[Zn(OH)6] + 2 H2
CaCl + NaCrO4 = CaCrO4 + NaCl =>
CaCl + NaCrO4 = CaCrO4 + NaCl
Ta2O5 + Al2O3 = AlTaO4 =>
Ta2O5 + Al2O3 = 2 AlTaO4
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
NaOH + Na2SO4 + Mn3As2 = NaMnO4 + NaHAsO4 + Na2SO3 + H2O =>
10 NaOH + 33 Na2SO4 + 2 Mn3As2 = 6 NaMnO4 + 4 NaHAsO4 + 33 Na2SO3 + 3 H2O
Mg + Pb(C2H3O2) = Pb + Mg(C2H3O2)2 =>
Mg + 2 Pb(C2H3O2) = 2 Pb + Mg(C2H3O2)2
V2O2(SO4)2 + KMnO4 + H2O = H3VO4 + MnSO4 + K2SO4 + H2SO4 =>
5 V2O2(SO4)2 + 2 KMnO4 + 22 H2O = 10 H3VO4 + 2 MnSO4 + K2SO4 + 7 H2SO4
Ag(s) + H2O(l) = AgOH(aq) + H2(g) =>
2 Ag(s) + 2 H2O(l) = 2 AgOH(aq) + H2(g)
FeCl2 + K2Cr2O7 + HCl = FeCl3 + KCl + CrCl3 + H2O =>
6 FeCl2 + K2Cr2O7 + 14 HCl = 6 FeCl3 + 2 KCl + 2 CrCl3 + 7 H2O
KHSO3 + HCI = KHCI + HSO3 =>
KHSO3 + HCI = KHCI + HSO3
FeS2 + H2O = Fe2O3 + H2 + H2SO4 =>
2 FeS2 + 19 H2O = Fe2O3 + 15 H2 + 4 H2SO4
C2 + F2 = C2F4 =>
C2 + 2 F2 = C2F4
Zn(OH)2 + HNO2 = Zn(NO2)2 + H2O =>
Zn(OH)2 + 2 HNO2 = Zn(NO2)2 + 2 H2O
H2O + KNO3 + AI + KOH = KAIO2 + NH3 =>
2 H2O + 3 KNO3 + 8 AI + 5 KOH = 8 KAIO2 + 3 NH3
Li + Br2 = LiBr =>
2 Li + Br2 = 2 LiBr
C7H63O2 + O2 = CO2 + H220 =>
220 C7H63O2 + 1320 O2 = 1540 CO2 + 63 H220
NaCl + OH = NaO + HCl =>
NaCl + OH = NaO + HCl
NaFeO2 + NaNO3 + NaOH = Na2FeO4 + H2O + N2 =>
10 NaFeO2 + 6 NaNO3 + 4 NaOH = 10 Na2FeO4 + 2 H2O + 3 N2
C3H8 + O2 = C2O8 + H2 =>
2 C3H8 + 12 O2 = 3 C2O8 + 8 H2
HCl + FeAl = FeCl3 + Al + H2 =>
6 HCl + 2 FeAl = 2 FeCl3 + 2 Al + 3 H2
C4H9O + CrO3 = C4H7O + Cr + H2O =>
3 C4H9O + CrO3 = 3 C4H7O + Cr + 3 H2O
HgO = Hg + O =>
HgO = Hg + O
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