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CaCO3(aq) + H2SO4(aq) = CaSO4(s) + H2CO3(s)
Fe + O2 = FeO3 =>
2 Fe + 3 O2 = 2 FeO3
K + Cl2 = KCl2 =>
K + Cl2 = KCl2
CF4 + Br2 = CBr + F2 =>
2 CF4 + Br2 = 2 CBr + 4 F2
HClO3(aq) + HBr(aq) = HCl(aq) + Br2(g) + H2O(l) =>
HClO3(aq) + 6 HBr(aq) = HCl(aq) + 3 Br2(g) + 3 H2O(l)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ag2 + O2 = Ag2O =>
2 Ag2 + O2 = 2 Ag2O
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
MnS + O2 = Mn2O3 + SO2 =>
4 MnS + 7 O2 = 2 Mn2O3 + 4 SO2
Al(OH)3 + KOH = K[Al(OH)4] =>
Al(OH)3 + KOH = K[Al(OH)4]
Al(s) + FeSO4(aq) = Al2(SO4)3(aq) + Fe(s) =>
2 Al(s) + 3 FeSO4(aq) = Al2(SO4)3(aq) + 3 Fe(s)
HCl + K2CO3 = KCl + H2O + CO2 =>
2 HCl + K2CO3 = 2 KCl + H2O + CO2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KMnO4 + HBr = MnBr2 + KBr + Br2 + H2O =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 2 KBr + 5 Br2 + 8 H2O
Fr(s) + Cl2(g) = FrCl =>
2 Fr(s) + Cl2(g) = 2 FrCl
MnS + O2 = Mn2O3 + SO2 =>
4 MnS + 7 O2 = 2 Mn2O3 + 4 SO2
HCN + CuSO4 = H2SO4 + Cu(CN)2 =>
2 HCN + CuSO4 = H2SO4 + Cu(CN)2
Ba(OH)2 + HNO3 = Ba(NO3)2 + H2O =>
Ba(OH)2 + 2 HNO3 = Ba(NO3)2 + 2 H2O
KCl + NaNO3 = KNO3 + NaCl =>
KCl + NaNO3 = KNO3 + NaCl
GaF3 + Cs = CsF + Ga =>
GaF3 + 3 Cs = 3 CsF + Ga
FeS + CuS = CuFeS2 =>
FeS + CuS = CuFeS2
Cr(oh)3 + Cl2 + KOH = KCl + K2CrO4 + H2O =>
Cr(oh)3 + 9 Cl2 + 24 KOH = 18 KCl + 3 K2CrO4 + 12 H2O
Fe2O3 + NaNH2 = Fe3N + NaOH + NH3 + O2 =>
3 Fe2O3 + 3 NaNH2 = 2 Fe3N + 3 NaOH + NH3 + 3 O2
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
Cr + O2 = CrO =>
2 Cr + O2 = 2 CrO
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
HNO3 + HCl = NOCl2 + Cl2 + H2O =>
2 HNO3 + 6 HCl = 2 NOCl2 + Cl2 + 4 H2O
BaS + PtF2 = BaF2 + PtS =>
BaS + PtF2 = BaF2 + PtS
CH3OH + O2 = H2O + CO2 =>
2 CH3OH + 3 O2 = 4 H2O + 2 CO2
C5H10O + KMnO4 + H2SO4 = C5H10O2 + MnSO4 + K2SO4 + H2O =>
5 C5H10O + 2 KMnO4 + 3 H2SO4 = 5 C5H10O2 + 2 MnSO4 + K2SO4 + 3 H2O
CO2 + KOH = K2CO3 + H2O =>
CO2 + 2 KOH = K2CO3 + H2O
Al(OH)3 + e = Al + OH({-}) =>
Al(OH)3 + 3e = Al + 3 OH({-})
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ca(NO3)2 + K3PO4 = Ca3(PO4)2 + KNO3 =>
3 Ca(NO3)2 + 2 K3PO4 = Ca3(PO4)2 + 6 KNO3
[Cu(NH3)4]SO4 + NaOH = Cu(OH)2 + Na2SO4 + NH3 =>
[Cu(NH3)4]SO4 + 2 NaOH = Cu(OH)2 + Na2SO4 + 4 NH3
Ni + O3 = Ni2O3 =>
2 Ni + O3 = Ni2O3
Fe2O3 + NaNH2 = Fe3N + NaOH + NH3 + N2 =>
3 Fe2O3 + 9 NaNH2 = 2 Fe3N + 9 NaOH + 3 NH3 + 2 N2
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
Ni + O2 = Ni2O3 =>
4 Ni + 3 O2 = 2 Ni2O3
Mg + ZnCl = Zn + MgCl =>
Mg + ZnCl = Zn + MgCl
Al2(So4)3 + Ba(Oh)2 = Al(Oh)3 + BaSo4 =>
Al2(So4)3 + 3 Ba(Oh)2 = 2 Al(Oh)3 + 3 BaSo4
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
MnO2 + KCIO3 + KOH = K2MnO4 + KCI + H2O =>
3 MnO2 + KCIO3 + 6 KOH = 3 K2MnO4 + KCI + 3 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
NaBr + NaBrO3 + H2SO4 = Br2 + Na2SO3 + HO =>
5 NaBr + NaBrO3 + 3 H2SO4 = 3 Br2 + 3 Na2SO3 + 6 HO
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