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K2Cr2O7 + 3 TeO2 + 4 H2SO4 = 3 H2TeO4 + Cr2(SO4)3 + K2SO4 + H2O
Pb(NO3)2 + KI = KNO3 + PbI2 =>
Pb(NO3)2 + 2 KI = 2 KNO3 + PbI2
W + O2 = W2O5 =>
4 W + 5 O2 = 2 W2O5
HCl(a) + Zn(s) = ZnClH(g) =>
HCl(a) + Zn(s) = ZnClH(g)
CoCl2 + NaOH + NaClO3 = NaCl + CoO3 + H2O2 =>
CoCl2 + 2 NaOH + NaClO3 = 3 NaCl + CoO3 + H2O2
Al(NO3)2 + H2SO4 = HNO3 + Al2(SO4)3 + H2 =>
2 Al(NO3)2 + 3 H2SO4 = 4 HNO3 + Al2(SO4)3 + H2
TiO + V2O5 = TiV2O2 + O =>
TiO + V2O5 = TiV2O2 + 4 O
MoO3 + Co3O4 = CoMoO4 + Co2O3 =>
MoO3 + Co3O4 = CoMoO4 + Co2O3
SO3H2O = H2SO4 =>
SO3H2O = H2SO4
NaOH(ag) + HCl(aq) = H2O(l) + NaCl(aq) =>
NaOH(ag) + HCl(aq) = H2O(l) + NaCl(aq)
Al2O3 + AgNO3 = Al(NO3)3 + Ag2O =>
Al2O3 + 6 AgNO3 = 2 Al(NO3)3 + 3 Ag2O
NaCl + H2O2 = NaOH + Cl2 =>
2 NaCl + H2O2 = 2 NaOH + Cl2
CaCl2 + K2CO3 = CaCO3 + KCl =>
CaCl2 + K2CO3 = CaCO3 + 2 KCl
K(OH)2 + HF = KF2 + H2O =>
K(OH)2 + 2 HF = KF2 + 2 H2O
K2SO4 + CaCl2 + H2O = CaSO4*2H2O + KCl =>
K2SO4 + CaCl2 + 2 H2O = CaSO4*2H2O + 2 KCl
Ho + H2O = Ho(OH)3 + H2 =>
2 Ho + 6 H2O = 2 Ho(OH)3 + 3 H2
NH4Cl(aq) + H2SO4(aq) = (NH4)2SO4 + HCl =>
2 NH4Cl(aq) + H2SO4(aq) = (NH4)2SO4 + 2 HCl
Ag(NO3) + H2(SO4) = Ag2O4S + HNO3 =>
2 Ag(NO3) + H2(SO4) = Ag2O4S + 2 HNO3
Li + BaO = Li2O + Ba =>
2 Li + BaO = Li2O + Ba
Al + I2 + H2O = HI + Al(OH)3 =>
2 Al + 3 I2 + 6 H2O = 6 HI + 2 Al(OH)3
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
Ti4O + Cl + C = Ti4Cl + CO2 =>
2 Ti4O + 2 Cl + C = 2 Ti4Cl + CO2
NaCl + KH2SbO4 = NaH2SbO4 + KCl =>
NaCl + KH2SbO4 = NaH2SbO4 + KCl
Pb(NO3)2(ac) + K2CrO4(ac) = PbCrO4(s) + K2(NO3)2(ac) =>
Pb(NO3)2(ac) + K2CrO4(ac) = PbCrO4(s) + K2(NO3)2(ac)
NaOH + HNO3 = NaNO3 + HOH =>
NaOH + HNO3 = NaNO3 + HOH
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
BaO(s) + CO2(g) = BaCO3 =>
BaO(s) + CO2(g) = BaCO3
N2H4 + O2 = NO2 + H2O =>
N2H4 + 3 O2 = 2 NO2 + 2 H2O
SO3H2O = H2SO4 =>
SO3H2O = H2SO4
CuO + CO2 + H2O = Cu2(OH)2CO3 =>
2 CuO + CO2 + H2O = Cu2(OH)2CO3
K4Fe(CN)6 + Na3Co(NO2)6 = Na3Fe(NO2)6 + K4Co(CN)6 =>
K4Fe(CN)6 + Na3Co(NO2)6 = Na3Fe(NO2)6 + K4Co(CN)6
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
C8H18 + O2 = CH + H2O =>
2 C8H18 + 5 O2 = 16 CH + 10 H2O
O2 + H = O2H2 =>
O2 + 2 H = O2H2
Hg + F2 = HgF2 =>
Hg + F2 = HgF2
Sr3P2 + H2O = Sr(OH)2 + PH3 =>
Sr3P2 + 6 H2O = 3 Sr(OH)2 + 2 PH3
N2H4 + O2 = H2O2 + N2 =>
N2H4 + 2 O2 = 2 H2O2 + N2
Zn + NiSO4 = ZnSO4 + Ni =>
Zn + NiSO4 = ZnSO4 + Ni
N2 + CaC2 = C + CaNCN =>
N2 + CaC2 = C + CaNCN
CaO + CO2 = (CaCO3)2 =>
2 CaO + 2 CO2 = (CaCO3)2
V2O5 + H2SO4 = H2[V2O2(SO4)3] + H2O + O2 =>
2 V2O5 + 6 H2SO4 = 2 H2[V2O2(SO4)3] + 4 H2O + O2
Je2O3 + Ae = Ae2O3 + Je =>
Je2O3 + 2 Ae = Ae2O3 + 2 Je
V2(SO4)3 + H2O2 + KOH = K3VO4 + H2O + K2SO4 =>
V2(SO4)3 + 2 H2O2 + 12 KOH = 2 K3VO4 + 8 H2O + 3 K2SO4
HF + Na(OH) = FNa + H2O =>
HF + Na(OH) = FNa + H2O
H2O + N2H4 = NH3 + OH =>
2 H2O + N2H4 = 2 NH3 + 2 OH
CaCO3 + ZrO2 = CaZrO3 + CO2 =>
CaCO3 + ZrO2 = CaZrO3 + CO2
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
(b)Na2CO3 + Mg(NO3)2 = MgCO3 + NaNO3 =>
(b)Na2CO3 + Mg(NO3)2 = MgCO3 + 2 NaNO3
C2H5O2 + O2 = H2O + CH3COOH =>
4 C2H5O2 + O2 = 2 H2O + 4 CH3COOH
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