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2 MnO2 + 2 H2SO4 = 2 H2O + 2 MnSO4 + O2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
Nitrogen + oxygen = nitrogendioxide =>
N2 + 2 O2 = 2 NO2
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
NH4Y2F7 + Y2O3 = Y6O5F8 + H2O + NH3 =>
8 NH4Y2F7 + 13 Y2O3 = 7 Y6O5F8 + 4 H2O + 8 NH3
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
NaBr + H3PO4 = Na3PO4 + HBr =>
3 NaBr + H3PO4 = Na3PO4 + 3 HBr
MgBr2 + Cl2 = MgCl2 + Br2 =>
MgBr2 + Cl2 = MgCl2 + Br2
Cr(s) + Fe(NO3)2(aq) = Fe(s) + Cr(NO3)3(aq) =>
2 Cr(s) + 3 Fe(NO3)2(aq) = 3 Fe(s) + 2 Cr(NO3)3(aq)
Cu{2+} + I{-} = CuI + I2 =>
2 Cu{2+} + 4 I{-} = 2 CuI + I2
C2H6 = C2H4 + H2 =>
C2H6 = C2H4 + H2
Br2 + NaI = NaBr + I =>
Br2 + 2 NaI = 2 NaBr + 2 I
Ho(NO3)3*5H2O + HfCl4 = HoCl3 + Hf(NO3)4 + H2O =>
4 Ho(NO3)3*5H2O + 3 HfCl4 = 4 HoCl3 + 3 Hf(NO3)4 + 20 H2O
CuSO4 + BaS = CuS + BaSO4 =>
CuSO4 + BaS = CuS + BaSO4
CH3CH2CH2OH + H2SO4 = H2SO2 + CH3CH2CH2COOH + H2O =>
4 CH3CH2CH2OH + 3 H2SO4 = 3 H2SO2 + 3 CH3CH2CH2COOH + 4 H2O
C2H5SH + O2 = CO2 + H2O + SO2 =>
2 C2H5SH + 9 O2 = 4 CO2 + 6 H2O + 2 SO2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
H2 + SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2 + SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
AlF3 + CaSO4 = Al2(SO4)3 + CaF2 =>
2 AlF3 + 3 CaSO4 = Al2(SO4)3 + 3 CaF2
K[Al(OH)4] + C2O4H2(H2O)2 + KOH = K3[Al(C2O4)3] + H2O =>
K[Al(OH)4] + 3 C2O4H2(H2O)2 + 2 KOH = K3[Al(C2O4)3] + 12 H2O
FeCl3 + C2H4 = C2H3Cl + HCl + FeCl2 =>
2 FeCl3 + C2H4 = C2H3Cl + HCl + 2 FeCl2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Al(NO3)3 + NH4OH = Al(OH)3 + NH4NO3 =>
Al(NO3)3 + 3 NH4OH = Al(OH)3 + 3 NH4NO3
C7H17(l) + O2(g) = CO2(g) + H2O(g) =>
4 C7H17(l) + 45 O2(g) = 28 CO2(g) + 34 H2O(g)
K2CrO4 + HI + H2SO4 = Cr2(SO4)3 + HIO3 + KHSO4 + H2O =>
2 K2CrO4 + HI + 7 H2SO4 = Cr2(SO4)3 + HIO3 + 4 KHSO4 + 5 H2O
AlCl3 + KOH = KCl + Al(OH)3 =>
AlCl3 + 3 KOH = 3 KCl + Al(OH)3
MgI2 + HNO3 = Mg(NO3)2 + HI =>
MgI2 + 2 HNO3 = Mg(NO3)2 + 2 HI
CH3COOH + C6H5CH2OH = CH3COOC6H5CH2 + H2O =>
CH3COOH + C6H5CH2OH = CH3COOC6H5CH2 + H2O
CuS + HNO3 = Cu(NO3)2 + H2O + NO2 + SO2 =>
CuS + 8 HNO3 = Cu(NO3)2 + 4 H2O + 6 NO2 + SO2
H2 + SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2 + SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
calciumhydroxide + carbondioxide = calciumcarbonate + water =>
Ca(OH)2 + CO2 = CaCO3 + H2O
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Ca(OH)2(s) + Al2(SO4)3 = Al(OH)3 + CaSO4 =>
3 Ca(OH)2(s) + Al2(SO4)3 = 2 Al(OH)3 + 3 CaSO4
Zn + HNO3 = Zn(NO3)2 + NO + HO =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 NO + 4 HO
NaCI + H2SO4 = NaHSO4 + HCI =>
NaCI + H2SO4 = NaHSO4 + HCI
Na2SO3 + S8 = Na2S2O3 =>
8 Na2SO3 + S8 = 8 Na2S2O3
Cr + Fe(NO3)2 = Fe + Cr(NO3)3 =>
2 Cr + 3 Fe(NO3)2 = 3 Fe + 2 Cr(NO3)3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
Bi(NO3)3 + NH3 + H2O = BiOH3 + NH4NO3 =>
2 Bi(NO3)3 + 8 NH3 + 5 H2O = 2 BiOH3 + 7 NH4NO3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
H2 + SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2 + SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
Zn3(Po4)2(s) = Zn + (Po4)2 =>
Zn3(Po4)2(s) = 3 Zn + (Po4)2
HCO3 + NH3 = NH4CO3 =>
HCO3 + NH3 = NH4CO3
NaOH + COOH = Na2(COO)2 + H2O =>
2 NaOH + 2 COOH = Na2(COO)2 + 2 H2O
HCl + MgGe = HGe + ClMg =>
HCl + MgGe = HGe + ClMg
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