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4 Na + 5 H2SO4 = 4 NaSO4 + H2S + 4 H2O
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
Al(s) + Cl2(g) = AlCl3(s) =>
2 Al(s) + 3 Cl2(g) = 2 AlCl3(s)
H2O2 + KI + H2SO4 = H2O + I2 + K2SO4 =>
H2O2 + 2 KI + H2SO4 = 2 H2O + I2 + K2SO4
PbO + H2O = Pb(OH)2 =>
PbO + H2O = Pb(OH)2
Pt(s) + O2(g) = PtO2(s) =>
Pt(s) + O2(g) = PtO2(s)
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
HCOOH + Ch3OH = HCOOCh3 + H2O =>
HCOOH + Ch3OH = HCOOCh3 + H2O
C + O2 = CO2 =>
C + O2 = CO2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Al2O3(s) + H2(g) = Al(s) + H2O(g) =>
Al2O3(s) + 3 H2(g) = 2 Al(s) + 3 H2O(g)
CH3COOH + O2 = H20 + CO2 =>
5 CH3COOH + 5 O2 = H20 + 10 CO2
BeCl2(aq) + AgNO3(aq) = Be(NO3)2(aq) + AgCl(aq) =>
BeCl2(aq) + 2 AgNO3(aq) = Be(NO3)2(aq) + 2 AgCl(aq)
Pb(NO3)2 + Na2SO4 = NaNO3 + PbSO4 =>
Pb(NO3)2 + Na2SO4 = 2 NaNO3 + PbSO4
NH3(g) + O2(g) = NO(g) + H2O(g) =>
4 NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O(g)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
K2O + P2O5 = K3PO4 =>
3 K2O + P2O5 = 2 K3PO4
Cl2 + H2 = HCl =>
Cl2 + H2 = 2 HCl
Ca(ClO3)2 = CaCl2 + O2 =>
Ca(ClO3)2 = CaCl2 + 3 O2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C2H6 + O2 = CO + H2O =>
2 C2H6 + 5 O2 = 4 CO + 6 H2O
NaOH(s) + HCl(aq) = NaCl(s) + H2O(g) =>
NaOH(s) + HCl(aq) = NaCl(s) + H2O(g)
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
C2H50H + KMnO4 + H2SO4 = CH3COOH + MnS04 + K2SO4 + H2O =>
62 C2H50H + 102 KMnO4 + 459 H2SO4 = 62 CH3COOH + 102 MnS04 + 51 K2SO4 + 1916 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
AgNO3 + H2SO4 = Ag2SO4 + HNO3 =>
2 AgNO3 + H2SO4 = Ag2SO4 + 2 HNO3
C2H5OH(l) = C2H4(g) + H2O(l) =>
C2H5OH(l) = C2H4(g) + H2O(l)
SO3(g) + H2O(l) = H2SO4(aq) =>
SO3(g) + H2O(l) = H2SO4(aq)
Al + Pb(NO3)2 = Pb + Al(NO3)2 =>
Al + Pb(NO3)2 = Pb + Al(NO3)2
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
C6H6(l) + Br2(l) = C6H5Br(l) + HBr(g) =>
C6H6(l) + Br2(l) = C6H5Br(l) + HBr(g)
CH3OH + K2Cr2O7 + H2SO4 = HCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3OH + 2 K2Cr2O7 + 8 H2SO4 = 3 HCOOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
C12H22O11 + O2 = CO2 + H20 =>
10 C12H22O11 + 65 O2 = 120 CO2 + 11 H20
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Na2Co3 + Ca(OH)2 = NaOH + CaCo3 =>
Na2Co3 + Ca(OH)2 = 2 NaOH + CaCo3
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
C8H18O4 + C4H10O = C16H34O4 + H2O =>
C8H18O4 + 2 C4H10O = C16H34O4 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
NaOH(s) + H3PO4(aq) = Na3PO4(s) + H2O(g) =>
3 NaOH(s) + H3PO4(aq) = Na3PO4(s) + 3 H2O(g)
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
TiCl4 + Mg = Ti + MgCl =>
TiCl4 + 4 Mg = Ti + 4 MgCl
Fe2(SO4)3 + NH3 + H2O = Fe(OH)3 + (NH4)2SO4 =>
Fe2(SO4)3 + 6 NH3 + 6 H2O = 2 Fe(OH)3 + 3(NH4)2SO4
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
C4 + O2 = CO2 =>
C4 + 4 O2 = 4 CO2
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