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2 Be + O2 = 2 BeO
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
C4H9Br + KI = C4H9I + KBr =>
C4H9Br + KI = C4H9I + KBr
K2S5O6 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
3 K2S5O6 + 10 K2Cr2O7 + 28 H2SO4 = 10 Cr2(SO4)3 + 13 K2SO4 + 28 H2O
MnO2 + Al = Al2O3 + Mn =>
3 MnO2 + 4 Al = 2 Al2O3 + 3 Mn
Cu(OH)2 + HCl = CuCl2 + H2O = =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
NaHCO3 = CO2 + H2O + Na2CO3 =>
2 NaHCO3 = CO2 + H2O + Na2CO3
CaCO3 + CH3COOH = CaOOCCH3 + H2O + CO2 =>
8 CaCO3 + 9 CH3COOH = 8 CaOOCCH3 + 6 H2O + 10 CO2
KMnO4 + NaClKCl + H2SO4 = Cl2 + K2SO4 + MnSO4 + Na2SO4 + H2O =>
4 KMnO4 + 10 NaClKCl + 16 H2SO4 = 10 Cl2 + 7 K2SO4 + 4 MnSO4 + 5 Na2SO4 + 16 H2O
Mg + H2SO4 + HCl = H2S + MgCl2 + H2O =>
4 Mg + H2SO4 + 8 HCl = H2S + 4 MgCl2 + 4 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
IOH2 = IH2O =>
IOH2 = IH2O
Ag2S + HNO3 + HCl = S2 + AgCl + NO + H2O =>
6 Ag2S + 4 HNO3 + 12 HCl = 3 S2 + 12 AgCl + 4 NO + 8 H2O
Pb(NO3)2 + NAl = Pb(NO3)2NAl =>
Pb(NO3)2 + NAl = Pb(NO3)2NAl
SICl4 + H2O = H4SIO4 + HCl =>
SICl4 + 4 H2O = H4SIO4 + 4 HCl
(NO3) + NaOH = (OH)3 + NaNO3 =>
3(NO3) + 3 NaOH = (OH)3 + 3 NaNO3
HCHO + H2O2 = HCOOH + H2 =>
2 HCHO + H2O2 = 2 HCOOH + H2
HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g) =>
2 HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g)
Na + O = NaO =>
Na + O = NaO
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Mn(OH)2 + MnO(OH)2 = Mn(MnO3) + H2O =>
Mn(OH)2 + MnO(OH)2 = Mn(MnO3) + 2 H2O
Fe(NO3)2 + FeCl3 = FeCl2 + Fe(NO3)3 =>
3 Fe(NO3)2 + 2 FeCl3 = 3 FeCl2 + 2 Fe(NO3)3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Pb(NO3)2NaS2O3 = PbS2O3Na(NO3)2 =>
Pb(NO3)2NaS2O3 = PbS2O3Na(NO3)2
Ca(OH)2 + KHC8H4O4 = Ca(KC8H4O4)2 + H2O =>
Ca(OH)2 + 2 KHC8H4O4 = Ca(KC8H4O4)2 + 2 H2O
Al(III)(s) + CuCl2(aq) = Cu(II)(s) + Al2(Cl2)3 =>
2 Al(III)(s) + 3 CuCl2(aq) = 3 Cu(II)(s) + Al2(Cl2)3
(Cr(N2H4CO)6)4(Cr(CN)6)3 + KMnO4 + HNO3 = K2Cr2O7 + CO2 + KNO3 + Mn(NO3)2 + H2O =>
10(Cr(N2H4CO)6)4(Cr(CN)6)3 + 1176 KMnO4 + 2798 HNO3 = 35 K2Cr2O7 + 420 CO2 + 1106 KNO3 + 1176 Mn(NO3)2 + 1879 H2O
Ti + CH3F + H2 = TiF4 + CH4 =>
Ti + 4 CH3F + 2 H2 = TiF4 + 4 CH4
KMnO4(s) = K2MnO4(aq) + MnO2(s) + O2(g) =>
2 KMnO4(s) = K2MnO4(aq) + MnO2(s) + O2(g)
Na + O = Na4O =>
4 Na + O = Na4O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CrO3 + Si = Cr4 + SiO2 =>
4 CrO3 + 6 Si = Cr4 + 6 SiO2
Xe + F2 + O2 = OXeF4 =>
2 Xe + 4 F2 + O2 = 2 OXeF4
Ca(HCO3)2 + HBrO3 = Ca(BrO3)2 + H2O + CO2 =>
Ca(HCO3)2 + 2 HBrO3 = Ca(BrO3)2 + 2 H2O + 2 CO2
BaO + H2O = Ba + H2O2 =>
BaO + H2O = Ba + H2O2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
CH3OH + KCN = CH3CN + KOH =>
CH3OH + KCN = CH3CN + KOH
O3 + Br = BrO =>
O3 + 3 Br = 3 BrO
MgCO3(s) + H2SO4(aq) = CO2(g) + H2O(l) + MgSO4 =>
MgCO3(s) + H2SO4(aq) = CO2(g) + H2O(l) + MgSO4
CoCl3 + Li(OH) = Co(OH)3 + LiCl =>
CoCl3 + 3 Li(OH) = Co(OH)3 + 3 LiCl
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Na2Cr2O7 + Na2C2O4 + H2SO4 = Na2SO4 + Cr2(SO4)3 + CO2 + H2O =>
Na2Cr2O7 + 3 Na2C2O4 + 7 H2SO4 = 4 Na2SO4 + Cr2(SO4)3 + 6 CO2 + 7 H2O
Cr(OH)3 + KOH + Br = K2CrO4 + KBr + H2O =>
Cr(OH)3 + 5 KOH + 3 Br = K2CrO4 + 3 KBr + 4 H2O
CuSO4 + HgCl2 = CuCl2 + HgSO4 =>
CuSO4 + HgCl2 = CuCl2 + HgSO4
K[Cr(SCN)4] + KOH = K[Cr(OH)4] + KSCN =>
K[Cr(SCN)4] + 4 KOH = K[Cr(OH)4] + 4 KSCN
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Ca(NO3)2 + KCl = CaCl2 + KNO3 =>
Ca(NO3)2 + 2 KCl = CaCl2 + 2 KNO3
Pb2(CO3)3 = Pb2O3 + CO2 =>
Pb2(CO3)3 = Pb2O3 + 3 CO2
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