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H2SO4(aq)CaCO3(s) = CaSO4(s)H2O(l)CO2(g)
Pb(NO3)2 + H2O2 + KOH = PbO2 + H2O + KNO3 =>
Pb(NO3)2 + H2O2 + 2 KOH = PbO2 + 2 H2O + 2 KNO3
NH3 + K2Cr2O7 + H2SO4 = N2 + K2SO4 + Cr2(SO4)3 + H2O =>
2 NH3 + K2Cr2O7 + 4 H2SO4 = N2 + K2SO4 + Cr2(SO4)3 + 7 H2O
P4(s) + S8(s) = P4S10(s) =>
4 P4(s) + 5 S8(s) = 4 P4S10(s)
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
Ca(HCO3)2 + HCl(aq) = CaCl2 + CO2 + H2O =>
Ca(HCO3)2 + 2 HCl(aq) = CaCl2 + 2 CO2 + 2 H2O
Ti2O = Ti + O2 =>
2 Ti2O = 4 Ti + O2
Al + Br = AlBr3 =>
Al + 3 Br = AlBr3
Fe(NO3)3 + NaCl = FeCl3 + Na3(NO3)3 =>
Fe(NO3)3 + 3 NaCl = FeCl3 + Na3(NO3)3
CuSO4(aq) + NaOH(aq) = Cu(OH)2(s) + Na2SO4(aq) =>
CuSO4(aq) + 2 NaOH(aq) = Cu(OH)2(s) + Na2SO4(aq)
S2O8{2-} + I{-} = SO4{2-} + I3{-} =>
S2O8{2-} + 3 I{-} = 2 SO4{2-} + I3{-}
(H2SO4) + KHO = (K2SO4) + H2O =>
(H2SO4) + 2 KHO = (K2SO4) + 2 H2O
Cu + NaNO3 + HNO3 = NO2 + Cu(NO3)2 + NaOH =>
Cu + 2 NaNO3 + 2 HNO3 = 2 NO2 + Cu(NO3)2 + 2 NaOH
Al(Br)3 + Cl2 = Al(Cl)3 + Br2 =>
2 Al(Br)3 + 3 Cl2 = 2 Al(Cl)3 + 3 Br2
KHC8H4O4 + NaOH = Na + KC8H4O4 + H2O =>
KHC8H4O4 + NaOH = Na + KC8H4O4 + H2O
Zn(NO3)2 + AgI = ZnI + (NO3)2Ag =>
Zn(NO3)2 + AgI = ZnI + (NO3)2Ag
NaMnO4 + NaNO2 + NaOH = Na2MnO4 + NaNO3 + H2O =>
2 NaMnO4 + NaNO2 + 2 NaOH = 2 Na2MnO4 + NaNO3 + H2O
Pb(ClO4)2 + (NH4)2SO4 = PbSO4 + NH4ClO4 =>
Pb(ClO4)2 + (NH4)2SO4 = PbSO4 + 2 NH4ClO4
BaBr3 + Na2SO4 = Ba2(SO4)3 + NaBr =>
2 BaBr3 + 3 Na2SO4 = Ba2(SO4)3 + 6 NaBr
NH4ClH2SO4 = NH4SO4H2Cl =>
NH4ClH2SO4 = NH4SO4H2Cl
CuO + NH4OH + (NH4)2SO4 = [Cu(NH3)4]SO4 + H2O =>
CuO + 2 NH4OH + (NH4)2SO4 = [Cu(NH3)4]SO4 + 3 H2O
ZCl + H2 = Z + HCl =>
2 ZCl + H2 = 2 Z + 2 HCl
P4O6 + KOH = K2PHO3 + H2O =>
P4O6 + 8 KOH = 4 K2PHO3 + 2 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C10H15NO + HCl = C10H15NOHCl =>
C10H15NO + HCl = C10H15NOHCl
MnSO4 + NaOH + Cl2 = Na2SO4 + Na2MnO4 + NaCl + H2O =>
MnSO4 + 8 NaOH + 2 Cl2 = Na2SO4 + Na2MnO4 + 4 NaCl + 4 H2O
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
Hg0 = Hg = + O2 =>
Hg0 = Hg
Na(s) + O2(g) = Na2O(s) =>
4 Na(s) + O2(g) = 2 Na2O(s)
CrO2Cl2 + F2 = CrO2F2 + Cl2 =>
CrO2Cl2 + F2 = CrO2F2 + Cl2
C3H7Cl + Na = C3H7Na + Cl2 =>
2 C3H7Cl + 2 Na = 2 C3H7Na + Cl2
HCl + CO2 = H2CO2 + Cl =>
2 HCl + CO2 = H2CO2 + 2 Cl
Al2O3 + N2O3 = Al2(O3N)2 =>
Al2O3 + N2O3 = Al2(O3N)2
NH4OH + Pb(NO3)2 = Pb(OH)2 + (NH4)2(NO3)2 =>
2 NH4OH + Pb(NO3)2 = Pb(OH)2 + (NH4)2(NO3)2
Na + O2 = Na2(O2) =>
2 Na + O2 = Na2(O2)
Sn2Cl2NaS2 = NaCl2Sn2S2 =>
Sn2Cl2NaS2 = NaCl2Sn2S2
AlO + CO = Al2 + CO2 =>
2 AlO + 2 CO = Al2 + 2 CO2
BiO3{-} + e + H{+] = Bi{3+}+H2O =>
BiO3{-} + 2e + 6 H{+] = Bi{3+}+3H2O
Zn + HCl + VOCl2 = ZnCl2 + H2O + VCl3 =>
Zn + 4 HCl + 2 VOCl2 = ZnCl2 + 2 H2O + 2 VCl3
BaSO4 + NaCO3 + C = Na2S + BaCO3 + CO =>
BaSO4 + 2 NaCO3 + 6 C = Na2S + BaCO3 + 7 CO
Ca + LiCO3 = CaCO3 + Li =>
Ca + LiCO3 = CaCO3 + Li
Fe(ClO)2 + HCl + K2Cr2O7 = Fe(ClO)3 + KCl + CrCl3 + H2O =>
2 Fe(ClO)2 + 10 HCl + K2Cr2O7 = 2 Fe(ClO)3 + 2 KCl + 2 CrCl3 + 5 H2O
Na2CO3 + BaCl = Na2CO3BaCl =>
Na2CO3 + BaCl = Na2CO3BaCl
NaH + BF3 = B2H6 + NaF =>
6 NaH + 2 BF3 = B2H6 + 6 NaF
Na2S + H2O + SO2 = Na2S2O3 + H2S =>
3 Na2S + H2O + 4 SO2 = 3 Na2S2O3 + H2S
CuO + Na2CO3 = Na2O + CuCO3 =>
CuO + Na2CO3 = Na2O + CuCO3
Mg + Ca(NO3)2 = Mg(NO3)3 + Ca =>
2 Mg + 3 Ca(NO3)2 = 2 Mg(NO3)3 + 3 Ca
Mg + Ag2SO4 = Mg(SO4) + Ag =>
Mg + Ag2SO4 = Mg(SO4) + 2 Ag
CuSO4 + Na2C2O4 = Na2SO4 + CuC2O4 =>
CuSO4 + Na2C2O4 = Na2SO4 + CuC2O4
Na2CO3(aq) + CuSO4(aq) = CuCO3 + Na2SO4 =>
Na2CO3(aq) + CuSO4(aq) = CuCO3 + Na2SO4
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