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2 Cr + O2 + 2 H2O = 2 Cr(OH)2
Cu + HNO3(conc) = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3(conc) = 3 Cu(NO3)2 + 2 NO + 4 H2O
HI + Hg = HgI2 + H2 =>
2 HI + Hg = HgI2 + H2
HCl + (NH4)2SO3 = H2SO3 + NH4Cl =>
2 HCl + (NH4)2SO3 = H2SO3 + 2 NH4Cl
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Na + Br{2} = NaBr{2{ =>
Na + Br{2} = NaBr{2{
HNO3 + NaHSO4 = NO2 + NaSO4 + H2O =>
HNO3 + NaHSO4 = NO2 + NaSO4 + H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
BrCH2COOH = BrCH2COO{-} + H{+} =>
BrCH2COOH = BrCH2COO{-} + H{+}
Li2TeO6 + TeO3 + Mn + Fe2O3 = LiMnFeTeO6 =>
Li2TeO6 + TeO3 + 2 Mn + Fe2O3 = 2 LiMnFeTeO6
KIO3 + NH4Cl = KCl + NH4(IO3) =>
KIO3 + NH4Cl = KCl + NH4(IO3)
P4 + O10 + H2O = HPO4 =>
5 P4 + 7 O10 + 10 H2O = 20 HPO4
H2SO4 + Al = Al2(SO4)3 + H2S + H2O =>
15 H2SO4 + 8 Al = 4 Al2(SO4)3 + 3 H2S + 12 H2O
AlCl3 + Br = AlBr3 + Cl2 =>
2 AlCl3 + 6 Br = 2 AlBr3 + 3 Cl2
HCl + (NH4)2SO3 = H2SO3 + NH4Cl =>
2 HCl + (NH4)2SO3 = H2SO3 + 2 NH4Cl
Cl2O3 + KOH = H2O + KClO2 =>
Cl2O3 + 2 KOH = H2O + 2 KClO2
HCl + (NH4)2SO3 = H2SO3 + NH4Cl =>
2 HCl + (NH4)2SO3 = H2SO3 + 2 NH4Cl
[CO(H2O)6]Cl2 + NH3 = [CO(NH3)6]Cl2 + H2O =>
[CO(H2O)6]Cl2 + 6 NH3 = [CO(NH3)6]Cl2 + 6 H2O
HCl + (NH4)2SO3 = H2SO3 + NH4Cl =>
2 HCl + (NH4)2SO3 = H2SO3 + 2 NH4Cl
CH3COOH + Cl2 = CH2(Cl)COOH + HCl =>
CH3COOH + Cl2 = CH2(Cl)COOH + HCl
NaOH + HCI1 = NaCI + H2O =>
NaOH + HCI1 = NaCI + H2O
K2[Sn(OH)4] + Br2 + KOH = K1[Sn(OH)6] + KBr =>
2 K2[Sn(OH)4] + 3 Br2 + 4 KOH = 2 K1[Sn(OH)6] + 6 KBr
Cr(OH)3 + HOAc = Cr(OAc)3 + H2O =>
Cr(OH)3 + 3 HOAc = Cr(OAc)3 + 3 H2O
NaOH + HCI1 = NaCI + H2O =>
NaOH + HCI1 = NaCI + H2O
Mg + ZnCl2 = ZnMgCl2 =>
Mg + ZnCl2 = ZnMgCl2
P + NaOH = PH3 + Na3PO3 =>
2 P + 3 NaOH = PH3 + Na3PO3
NaOH + CaSO3 = NaHSO3 + CaO =>
NaOH + CaSO3 = NaHSO3 + CaO
C2H4O(l) + O2 = CO2 + H2O =>
2 C2H4O(l) + 5 O2 = 4 CO2 + 4 H2O
C6H14O + O2 = CO + H2O =>
C6H14O + 6 O2 = 6 CO + 7 H2O
Mg + ZnCl2 = MgCl2 + Zn =>
Mg + ZnCl2 = MgCl2 + Zn
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
NaAlO2 + H2O = NaOH + Al2O3 =>
2 NaAlO2 + H2O = 2 NaOH + Al2O3
KMnO4 + Zn(NO3)2 = KNO3 + Zn(MnO4)2 =>
2 KMnO4 + Zn(NO3)2 = 2 KNO3 + Zn(MnO4)2
Ta + K2CrO4 + H2SO4 = Ta2(SO4)5 + K2SO4 + Cr2(SO4)3 + H2O =>
6 Ta + 10 K2CrO4 + 40 H2SO4 = 3 Ta2(SO4)5 + 10 K2SO4 + 5 Cr2(SO4)3 + 40 H2O
HCl + (NH4)2SO3 = H2SO3 + NH4Cl =>
2 HCl + (NH4)2SO3 = H2SO3 + 2 NH4Cl
Ba(NO3)2 + NH2SO3H + H2O = Ba(NH2)2 + H2SO4 + HNO3 =>
Ba(NO3)2 + 2 NH2SO3H + 2 H2O = Ba(NH2)2 + 2 H2SO4 + 2 HNO3
N2S5 = N2 + S2 =>
2 N2S5 = 2 N2 + 5 S2
Ba(NO3)2 + NH2SO3H + H2O = Ba(NH2)2 + H2SO4 + HNO3 =>
Ba(NO3)2 + 2 NH2SO3H + 2 H2O = Ba(NH2)2 + 2 H2SO4 + 2 HNO3
NaCl(s) + KNO3(s) = NaNO3 + KCl =>
NaCl(s) + KNO3(s) = NaNO3 + KCl
BaCl2(ac) + ZnSO4(ac) = BaSO4(s) + ZnCl2(ac) =>
BaCl2(ac) + ZnSO4(ac) = BaSO4(s) + ZnCl2(ac)
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
NH4OH + H2SO4 = NH5SO4 + H2O =>
NH4OH + H2SO4 = NH5SO4 + H2O
Zn + OH{-} + H2O + NO3{-} = Zn(OH)4{2-} + NH3 =>
4 Zn + 7 OH{-} + 6 H2O + NO3{-} = 4 Zn(OH)4{2-} + NH3
CaO + K2S = CaS + K2O =>
CaO + K2S = CaS + K2O
S + O2 = SO(iv) =>
2 S + O2 = 2 SO(iv)
NaH = H + Na =>
NaH = H + Na
NaOH + CuCl3 = Cu(OH)3 + NaCl =>
3 NaOH + CuCl3 = Cu(OH)3 + 3 NaCl
CN{-} + MnO4{-]+H2O = OCN{-}+MnO2+OH{-} =>
3 CN{-} + 2 MnO4{-]+H2O = 3 OCN{-}+2MnO2+2OH{-}
C7H8 + O2 = C7H5COOH + H2O =>
16 C7H8 + 25 O2 = 14 C7H5COOH + 22 H2O
CaCl2 + (NH4)PO4 = Ca3(PO4)2 + NH4 + Cl =>
3 CaCl2 + 2(NH4)PO4 = Ca3(PO4)2 + 2 NH4 + 6 Cl
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