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2 H(g)O(s) = 2 H(l) + O2(g)
Ca(NO3)2 + KI = CaI2 + KNO3 =>
Ca(NO3)2 + 2 KI = CaI2 + 2 KNO3
BaO + HCl = BaCl2 + H2O =>
BaO + 2 HCl = BaCl2 + H2O
C2H4 + H2SO4 = C2H6SO4 =>
C2H4 + H2SO4 = C2H6SO4
Se6 + O2 = SeO =>
Se6 + 3 O2 = 6 SeO
NO2(g) + H2O(l) = HNO3(aq) + NO(g) =>
3 NO2(g) + H2O(l) = 2 HNO3(aq) + NO(g)
Ca(OH)2(aq) + HCl = CaCl2 + H2O =>
Ca(OH)2(aq) + 2 HCl = CaCl2 + 2 H2O
Ag + ClH = AgH + Cl =>
Ag + ClH = AgH + Cl
Al(OH)3 + Mg = MgO + Al + H2O =>
2 Al(OH)3 + 3 Mg = 3 MgO + 2 Al + 3 H2O
MnOH2(s) + O2 = MnO2 + H2O =>
MnOH2(s) + O2 = MnO2 + H2O
C2H5OH(ac) + CO2(g) = C6H12O6(ac) =>
2 C2H5OH(ac) + 2 CO2(g) = C6H12O6(ac)
AgNO3(S) + CaCl2(L) = AgCl(S) + Ca(NO3)2(L) =>
2 AgNO3(S) + CaCl2(L) = 2 AgCl(S) + Ca(NO3)2(L)
(NH4)2CrO4 + MgCl2 = NH4Cl + MgCrO4 =>
(NH4)2CrO4 + MgCl2 = 2 NH4Cl + MgCrO4
Na2CO3 + Ca(OH)2 = CaCO3 + NaOH =>
Na2CO3 + Ca(OH)2 = CaCO3 + 2 NaOH
Mg3N2 + HCl(aq) = MgCl2 + NH3 =>
Mg3N2 + 6 HCl(aq) = 3 MgCl2 + 2 NH3
Cl(g) + CaBr = ClCa(g) + Br =>
Cl(g) + CaBr = ClCa(g) + Br
Ag + Pb(C2H3O2)2 = Pb + Ag(C2H3O2)2 =>
Ag + Pb(C2H3O2)2 = Pb + Ag(C2H3O2)2
Na2CO3(aq) + CaCl2 = NaCl + CaCO3 =>
Na2CO3(aq) + CaCl2 = 2 NaCl + CaCO3
CH2O + Cu(OH)2 + NaOH = Na2CO3 + Cu2O + H2O =>
CH2O + 4 Cu(OH)2 + 2 NaOH = Na2CO3 + 2 Cu2O + 6 H2O
CuSO4 = CuO + O2 + SO2 =>
2 CuSO4 = 2 CuO + O2 + 2 SO2
Ag2SO4 + BaCl2 = AgCl + BaSO4 =>
Ag2SO4 + BaCl2 = 2 AgCl + BaSO4
OH{-} + Br2 = Br{-} + BrO3{-} + H2O =>
6 OH{-} + 3 Br2 = 5 Br{-} + BrO3{-} + 3 H2O
K2(Co(CNS)4) + KCl + H2O = (Co(H2O)6)Cl2 + KCNS =>
K2(Co(CNS)4) + 2 KCl + 6 H2O = (Co(H2O)6)Cl2 + 4 KCNS
HBr(ac) + MgCO3(s) = MgBr2(ac) + H2O(l) + CO2(g) =>
2 HBr(ac) + MgCO3(s) = MgBr2(ac) + H2O(l) + CO2(g)
Ni(OH)2 + BrO = Br + Ni2O3 + H2O =>
2 Ni(OH)2 + BrO = Br + Ni2O3 + 2 H2O
H2Cr2O7 + Ba(OH)2 = BaCr2O7 + H2O =>
H2Cr2O7 + Ba(OH)2 = BaCr2O7 + 2 H2O
K3[Al(OH)6] + HCl = AlCl3 + KOH + H2O =>
K3[Al(OH)6] + 3 HCl = AlCl3 + 3 KOH + 3 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
NH4(NO3) + H2O = HNO3 + NH4O =>
7 NH4(NO3) + 5 H2O = 6 HNO3 + 8 NH4O
Na2CO3(aq) + CaCl2 = CaCO3(s) + NaCl(aq) =>
Na2CO3(aq) + CaCl2 = CaCO3(s) + 2 NaCl(aq)
K2C2O4 + FeCl3 = K3Fe(C2O4)3 + KCl =>
3 K2C2O4 + FeCl3 = K3Fe(C2O4)3 + 3 KCl
H4NO3 + Ba(OH)2 = Ba(NO3)2 + H2O + NH3 =>
16 H4NO3 + 5 Ba(OH)2 = 5 Ba(NO3)2 + 28 H2O + 6 NH3
MoS2 + H2O = H2SO4 + Mo + H2 =>
MoS2 + 8 H2O = 2 H2SO4 + Mo + 6 H2
Mg4 + C2 = Mg2C =>
Mg4 + C2 = 2 Mg2C
PbCl2 + H3PO4 = Pb3(PO4)2 + HCl =>
3 PbCl2 + 2 H3PO4 = Pb3(PO4)2 + 6 HCl
Pb(NO3)2(aq) + NaCl(aq) = PbCl2(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaCl(aq) = PbCl2(s) + 2 NaNO3(aq)
Hg + HSO4 = Hg(HSO4)2 =>
Hg + 2 HSO4 = Hg(HSO4)2
O2 + JS = S8 + JO =>
4 O2 + 8 JS = S8 + 8 JO
NaOH + Cu(OH)2 = Na2CuO2 + H2O =>
2 NaOH + Cu(OH)2 = Na2CuO2 + 2 H2O
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
Al3 + oxygen = Al2O3 =>
4 Al3 + 9 O2 = 6 Al2O3
NaCl(aq) + AgNO3(aq) = AgCl(s) + NaNO3 =>
NaCl(aq) + AgNO3(aq) = AgCl(s) + NaNO3
NH4 + NO3 = N + H2O =>
3 NH4 + 2 NO3 = 5 N + 6 H2O
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO(g) + H2O(l) =>
3 Cu(s) + 8 HNO3(aq) = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
C3H6 + KMnO4 + H2O = C3H8O2 + KOH + MnO2 =>
3 C3H6 + 2 KMnO4 + 4 H2O = 3 C3H8O2 + 2 KOH + 2 MnO2
CH3COOH + CuCO3*Cu(OH)2 = CuCH3COOH + CO2 + H2O =>
5 CH3COOH + 2 CuCO3*Cu(OH)2 = 4 CuCH3COOH + 4 CO2 + 4 H2O
CuSO4 + PbNO3 = CuNO3 + PbSO4 =>
CuSO4 + PbNO3 = CuNO3 + PbSO4
(CH3COO)2Fe + K2S = FeS + CH3COOK =>
(CH3COO)2Fe + K2S = FeS + 2 CH3COOK
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
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