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2 Cu + O2 = 2 CuO
Methane + oxygen = water + carbondioxide =>
CH4 + 2 O2 = 2 H2O + CO2
H3PO3 + I2 + H2O = HI + H3PO4 =>
H3PO3 + I2 + H2O = 2 HI + H3PO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Be2C + H2O = Be(OH)2 + CH4 =>
Be2C + 4 H2O = 2 Be(OH)2 + CH4
Te + HNO3 = TeO2 + H2O + NO2 =>
Te + 4 HNO3 = TeO2 + 2 H2O + 4 NO2
CaO + Co2 = CaCo3 + O2 =>
2 CaO + 3 Co2 = 2 CaCo3 + O2
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C2 + S8 = CS2 =>
2 C2 + S8 = 4 CS2
C + S8 = CS2 =>
4 C + S8 = 4 CS2
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Cu + H2SO4 = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
Cr2S3 + Mn(NO3)2 + Na2CO3 = NO + CO2 + Na2CrO4 + Na2MnO4 + NaSO4 =>
2 Cr2S3 + 33 Mn(NO3)2 + 40 Na2CO3 = 66 NO + 40 CO2 + 4 Na2CrO4 + 33 Na2MnO4 + 6 NaSO4
MgSO4 + BaCl2 = BaSO4 + MgCl2 =>
MgSO4 + BaCl2 = BaSO4 + MgCl2
NH4Cl + NaOH = NH3 + H2O + NaCl =>
NH4Cl + NaOH = NH3 + H2O + NaCl
SO2(g) + CaO(s) = CaSO3(s) =>
SO2(g) + CaO(s) = CaSO3(s)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CuSO4 + Na2S2O3 + KI = Cu2I2 + K2SO4 + Na2S4O6 + NaI =>
2 CuSO4 + 2 Na2S2O3 + 4 KI = Cu2I2 + 2 K2SO4 + Na2S4O6 + 2 NaI
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
HS + NaOH = NaS + H2O =>
HS + NaOH = NaS + H2O
FeCl2 + NaHCO3 = CO2 + FeCO3 + H2O + NaCl =>
FeCl2 + 2 NaHCO3 = CO2 + FeCO3 + H2O + 2 NaCl
GaBr3 + Na2SO3 = Ga2(SO3)3 + NaBr =>
2 GaBr3 + 3 Na2SO3 = Ga2(SO3)3 + 6 NaBr
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
PH3 + KMnO4 + HCl = H3PO4 + MnO2 + KCl + H20 =>
10 PH3 + 20 KMnO4 + 20 HCl = 10 H3PO4 + 20 MnO2 + 20 KCl + H20
Al + I2 = AlI3 =>
2 Al + 3 I2 = 2 AlI3
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
P4 + HNO3 = H3PO4 + NO2 + H2O =>
P4 + 20 HNO3 = 4 H3PO4 + 20 NO2 + 4 H2O
KClO3 + KOH + MnO2 = K2MnO4 + KCl + H2O =>
KClO3 + 6 KOH + 3 MnO2 = 3 K2MnO4 + KCl + 3 H2O
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
FeCO3 + C = CO2 + Fe =>
2 FeCO3 + C = 3 CO2 + 2 Fe
K + AlCl3 = KCl + Al =>
3 K + AlCl3 = 3 KCl + Al
CH3CH2OH + O2 = H20 + CH3COOH =>
10 CH3CH2OH + 5 O2 = H20 + 10 CH3COOH
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
CH3CH2OH + O2 = H20 + CH3COOH =>
10 CH3CH2OH + 5 O2 = H20 + 10 CH3COOH
CU(OH)2H2O = CUO + H2O =>
CU(OH)2H2O = CUO + 2 H2O
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
Cl + P = PCl =>
Cl + P = PCl
H2SO4 + LiOH = Li2SO4 + H2O =>
H2SO4 + 2 LiOH = Li2SO4 + 2 H2O
CH3CL + NAOH = CH3OH + NACL =>
CH3CL + NAOH = CH3OH + NACL
Cl + P = PCl3 =>
3 Cl + P = PCl3
Li + Cl2 = LiCl =>
2 Li + Cl2 = 2 LiCl
KTcO4 + HCl = KCl + Cl2 + H2O + TcCl2 =>
2 KTcO4 + 16 HCl = 2 KCl + 5 Cl2 + 8 H2O + 2 TcCl2
NACO3 + CH3COOH = NACH3COO + H20 + CO2 =>
20 NACO3 + 30 CH3COOH = 20 NACH3COO + 3 H20 + 40 CO2
Al(OH)3 + MgCl2 + NaHCO3 + Na(OH) = Mg4Al2(OH)12CO3H2O + NaCl =>
2 Al(OH)3 + 4 MgCl2 + NaHCO3 + 7 Na(OH) = Mg4Al2(OH)12CO3H2O + 8 NaCl
C2H4 + KMnO4 + H20 = C2H4(OH)2 + MnO2 + KOH =>
5 C2H4 + 10 KMnO4 + H20 = 5 C2H4(OH)2 + 10 MnO2 + 10 KOH
H2SO4 + Pb(C2H3O2)2 = HC2H3O2 + PbSO4 =>
H2SO4 + Pb(C2H3O2)2 = 2 HC2H3O2 + PbSO4
C12H22O11 + H2SO4 = CO2 + SO2 + H2O =>
C12H22O11 + 24 H2SO4 = 12 CO2 + 24 SO2 + 35 H2O
H2SO4 + Ca(OH)2 = CaSO4 + H2O =>
H2SO4 + Ca(OH)2 = CaSO4 + 2 H2O
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