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Ca + 2 I = CaI2
BaO + CuSO4 = BaSO4 + CuO =>
BaO + CuSO4 = BaSO4 + CuO
Cl + HBr = Br + ClH =>
Cl + HBr = Br + ClH
XCl2O7 + XH2O = XHClO4 =>
XCl2O7 + XH2O = 2 XHClO4
Na2C03 + HCl = NaCl + C02 + H2 =>
2 Na2C03 + 4 HCl = 4 NaCl + 3 C02 + 2 H2
H2(g) + O3(g) = H2O(l) =>
3 H2(g) + O3(g) = 3 H2O(l)
S8 + O2 = SO =>
S8 + 4 O2 = 8 SO
As2S5 + HNO3 = H3AsO4 + H2SO4 + NO2 + H2O =>
As2S5 + 40 HNO3 = 2 H3AsO4 + 5 H2SO4 + 40 NO2 + 12 H2O
Pb{2+} + SiO3{2-} = PbSiO3 =>
Pb{2+} + SiO3{2-} = PbSiO3
MgO + H2SO4 = MgSO4 + H2O =>
MgO + H2SO4 = MgSO4 + H2O
S + KOH = K2S + K2SO4 + H2O =>
4 S + 8 KOH = 3 K2S + K2SO4 + 4 H2O
Al + AgNO3 = Al(NO3)3 + Ag =>
Al + 3 AgNO3 = Al(NO3)3 + 3 Ag
Br + KF = BrF + K =>
Br + KF = BrF + K
MgH2 + H2O = H3O + Mg =>
MgH2 + 2 H2O = 2 H3O + Mg
CH3NH2 + CuSO4 + H2O = (CH3NH3)2SO4 + Cu(OH)2 =>
2 CH3NH2 + CuSO4 + 2 H2O = (CH3NH3)2SO4 + Cu(OH)2
H + CrO4 = H2O + Cr2O7 =>
2 H + 2 CrO4 = H2O + Cr2O7
KMnO4 + HNO3 + KBr = KNO3 + Br2 + Mn(NO3)2 + H2O =>
2 KMnO4 + 16 HNO3 + 10 KBr = 12 KNO3 + 5 Br2 + 2 Mn(NO3)2 + 8 H2O
KHSO3 + HNO3 = KNO3 + H2SO4 + NO2 + H2O =>
KHSO3 + 3 HNO3 = KNO3 + H2SO4 + 2 NO2 + H2O
CH4 = CH2 + H2 =>
CH4 = CH2 + H2
Cu + AgNO3 = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3 = 2 Ag + Cu(NO3)2
Na2SO3 + Cl2 + NaOH = Na2SO4 + NaCl + H2O =>
Na2SO3 + Cl2 + 2 NaOH = Na2SO4 + 2 NaCl + H2O
Na + Ca = Na2Ca =>
2 Na + Ca = Na2Ca
NiO + CO = Ni3C + CO2 =>
3 NiO + 5 CO = Ni3C + 4 CO2
H2 + AgNO3 = HNO3 + Ag =>
H2 + 2 AgNO3 = 2 HNO3 + 2 Ag
CH4 = CH2 + H2 =>
CH4 = CH2 + H2
H + Si = HSi =>
H + Si = HSi
HF + SiO2 = SiF4 + H2O = =>
4 HF + SiO2 = SiF4 + 2 H2O
NiCl + Pb(NO3)2 = PbCl2 + Ni(NO3) =>
2 NiCl + Pb(NO3)2 = PbCl2 + 2 Ni(NO3)
Ba(NO3)2 + Na2S2O3 = BaS2O3 + Na(NO3) =>
Ba(NO3)2 + Na2S2O3 = BaS2O3 + 2 Na(NO3)
Al2(SO4)3 + NH4Cl = (NH4)2SO4 + AlCl3 =>
Al2(SO4)3 + 6 NH4Cl = 3(NH4)2SO4 + 2 AlCl3
PbCl2 + Al = AlCl3 + Pb =>
3 PbCl2 + 2 Al = 2 AlCl3 + 3 Pb
MgO2 + H2O = Mg + OH =>
MgO2 + 2 H2O = Mg + 4 OH
NH = N2 + H2 =>
2 NH = N2 + H2
Cd(OH)2 + HCOOH = Cd(OH)HCOO + H2O =>
Cd(OH)2 + HCOOH = Cd(OH)HCOO + H2O
Na(ClO3) = NaCl + O2 =>
2 Na(ClO3) = 2 NaCl + 3 O2
CaC2(s) + H2O(i) = C2H2(g) + Ca(OH)2(aq) =>
CaC2(s) + 2 H2O(i) = C2H2(g) + Ca(OH)2(aq)
C10H16N2O8 + NaOH = NaC10H16N2O8 + OH =>
C10H16N2O8 + NaOH = NaC10H16N2O8 + OH
Fe2O3 + CaO = Fe + CaO2 =>
Fe2O3 + 3 CaO = 2 Fe + 3 CaO2
Os + O2 = OsO3 =>
2 Os + 3 O2 = 2 OsO3
Al2(SO4)3 + Ca(OH)2 = (AlOH)SO4 + CaSO4 =>
Al2(SO4)3 + Ca(OH)2 = 2(AlOH)SO4 + CaSO4
Ag(NO3) + K2CrO4 = Ag2(CrO4) + K(NO3) =>
2 Ag(NO3) + K2CrO4 = Ag2(CrO4) + 2 K(NO3)
Ae + S = AeS =>
Ae + S = AeS
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
Pb(CH3CO2)2(aq) + NaI(aq) = PbI2(s) + NaCH3CO2(aq) =>
Pb(CH3CO2)2(aq) + 2 NaI(aq) = PbI2(s) + 2 NaCH3CO2(aq)
BaCl2(ac) + Na2SO4(ac) = BaSO4(ac) + NaCl(ac) =>
BaCl2(ac) + Na2SO4(ac) = BaSO4(ac) + 2 NaCl(ac)
CCl2 = C + Cl2 =>
CCl2 = C + Cl2
U + Te = UTe3 =>
U + 3 Te = UTe3
FeSO4(aq) + Al(s) = Fe(s) + AlSO4(aq) =>
FeSO4(aq) + Al(s) = Fe(s) + AlSO4(aq)
CrO3 + CO = Cr2O3 + CO2 =>
2 CrO3 + 3 CO = Cr2O3 + 3 CO2
Hg + HNO3 = Hg2(NO3)2 + H2O + NO2 =>
2 Hg + 4 HNO3 = Hg2(NO3)2 + 2 H2O + 2 NO2
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