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4 As + 5 O2 = 2 As2O5
As + H2 = AsH3 =>
2 As + 3 H2 = 2 AsH3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CaSiO3 + HF = SiF4 + CaF2 + H2O =>
CaSiO3 + 6 HF = SiF4 + CaF2 + 3 H2O
Cr(NO3)2 = Cr2O3 + NO2 + O2 =>
4 Cr(NO3)2 = 2 Cr2O3 + 8 NO2 + O2
Ca(OH)2 + HF = CaF2 + H2O =>
Ca(OH)2 + 2 HF = CaF2 + 2 H2O
Bi + Br2 = BiBr3 =>
2 Bi + 3 Br2 = 2 BiBr3
CoCl2(aq) + NH4OH(aq) = Co(OH)2 + NH4Cl =>
CoCl2(aq) + 2 NH4OH(aq) = Co(OH)2 + 2 NH4Cl
Al(OH)3 + NaOH = Na3[Al(OH)6] =>
Al(OH)3 + 3 NaOH = Na3[Al(OH)6]
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
Bi + O2 = Bi2O3 =>
4 Bi + 3 O2 = 2 Bi2O3
Cr2O3 + NO3{-} + H2O = CrO4{-2} + NO2{-} + H{+} =>
Cr2O3 + 3 NO3{-} + 2 H2O = 2 CrO4{-2} + 3 NO2{-} + 4 H{+}
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Bi + Br2 = BiBr3 =>
2 Bi + 3 Br2 = 2 BiBr3
Rb + Cl2 = RbCl =>
2 Rb + Cl2 = 2 RbCl
methane + chlorine = chloromethane + HCl =>
CH4 + Cl2 = CH3Cl + HCl
NH4Cl = NH3 + HCl =>
NH4Cl = NH3 + HCl
As + HNO3 + H2O = H3AsO4 + NO =>
3 As + 5 HNO3 + 2 H2O = 3 H3AsO4 + 5 NO
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
As + Cl2 = AsCl5 =>
2 As + 5 Cl2 = 2 AsCl5
Rb + Cl2 = RbCl =>
2 Rb + Cl2 = 2 RbCl
Hf + N2 = Hf3N4 =>
3 Hf + 2 N2 = Hf3N4
W2P2O11 + V2P2O11 = V6W2P8O44 =>
W2P2O11 + 3 V2P2O11 = V6W2P8O44
C2H5OH(aq) + CH3COOH(aq) = CH3COOC2H5(aq) + H2O(l) =>
C2H5OH(aq) + CH3COOH(aq) = CH3COOC2H5(aq) + H2O(l)
O3 = O2 =>
2 O3 = 3 O2
Bi + H2SO4 = Bi2(SO4)3 + SO2 + H2O =>
2 Bi + 6 H2SO4 = Bi2(SO4)3 + 3 SO2 + 6 H2O
K2C2O4 + KMnO4 = KCO4 + KMn =>
K2C2O4 + KMnO4 = 2 KCO4 + KMn
Hf + N2 = Hf3N4 =>
3 Hf + 2 N2 = Hf3N4
Bi + Cl2 = BiCl3 =>
2 Bi + 3 Cl2 = 2 BiCl3
BN + F2 = BF3 + N2 =>
2 BN + 3 F2 = 2 BF3 + N2
As + H2 = AsH3 =>
2 As + 3 H2 = 2 AsH3
Rb + O2 = Rb2O =>
4 Rb + O2 = 2 Rb2O
Rb + HC2H3O2 = RbC2H3O2 + H2 =>
2 Rb + 2 HC2H3O2 = 2 RbC2H3O2 + H2
Zn + CrCl3 = CrCl2 + ZnCl2 =>
Zn + 2 CrCl3 = 2 CrCl2 + ZnCl2
KNO3 + BaCl2 = (KNO3)2Cl + Ba2 =>
8 KNO3 + 2 BaCl2 = 4(KNO3)2Cl + Ba2
As + O2 = As2O3 =>
4 As + 3 O2 = 2 As2O3
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
Bi + HNO3 = Bi(NO3)3 + NO + H2O =>
Bi + 4 HNO3 = Bi(NO3)3 + NO + 2 H2O
Rb + P = Rb3P =>
3 Rb + P = Rb3P
H2SO4 + Hg = HgSO4 + H2O + H2S =>
5 H2SO4 + 4 Hg = 4 HgSO4 + 4 H2O + H2S
K2CO3 + Na2CO3 = K2(CO3)2 + Na =>
K2CO3 + Na2CO3 = K2(CO3)2 + 2 Na
Cr(SO4)3 + KOH + KClO3 = KCrO4 + H2O + KCl + K2SO4 =>
6 Cr(SO4)3 + 42 KOH + KClO3 = 6 KCrO4 + 21 H2O + KCl + 18 K2SO4
Rb + P = Rb3P =>
3 Rb + P = Rb3P
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
AlCl3 + H2O2 = Al2O3 + HCl + O2 =>
4 AlCl3 + 6 H2O2 = 2 Al2O3 + 12 HCl + 3 O2
Ba + NO2 = Ba(NO2)2 =>
Ba + 2 NO2 = Ba(NO2)2
Na + Ba(OH)2 = Ba2 + NaOH =>
4 Na + 2 Ba(OH)2 = Ba2 + 4 NaOH
FeS + KOH = KS + FeOH =>
FeS + KOH = KS + FeOH
Bi + H2SO4 = Bi2(SO4)3 + SO2 + H2O =>
2 Bi + 6 H2SO4 = Bi2(SO4)3 + 3 SO2 + 6 H2O
H2SO4 + Hg = HgSO4 + H2 =>
H2SO4 + Hg = HgSO4 + H2
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