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K + S2 = KS2
RCOOH + LiAlH4 = RCH2OH + LiOH + Al2O3 + RCH2OLi =>
4 RCOOH + 2 LiAlH4 = 3 RCH2OH + LiOH + Al2O3 + RCH2OLi
Ca + O + H = Ca(OH)2 =>
Ca + 2 O + 2 H = Ca(OH)2
F3N = N + F =>
F3N = N + 3 F
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Si + S = SiS2 =>
Si + 2 S = SiS2
K2Cr2O7 + HOCH2CH2OH + H2SO4 + K2C2O4 = K3[Cr(C2O4)3]5 + K2SO4 + H2O =>
20 K2Cr2O7 + 3 HOCH2CH2OH + 125 H2SO4 + 117 K2C2O4 = 8 K3[Cr(C2O4)3]5 + 125 K2SO4 + 134 H2O
Sn + ZnSO4 = SnSO4 + Zn2 =>
2 Sn + 2 ZnSO4 = 2 SnSO4 + Zn2
NH4Cl + CH3COONa = NH3 + CH3COOH + NaCl =>
NH4Cl + CH3COONa = NH3 + CH3COOH + NaCl
MgSO4 + Ca(OH)2 + H2O = Mg(OH)2 + CaSO4*2H2O =>
MgSO4 + Ca(OH)2 + 2 H2O = Mg(OH)2 + CaSO4*2H2O
C3H5(NO3)3 = CO2 + H2O + N2 + O2 =>
4 C3H5(NO3)3 = 12 CO2 + 10 H2O + 6 N2 + O2
CH3CHH2CH3 + O2 = CO2 + H2O =>
4 CH3CHH2CH3 + 21 O2 = 12 CO2 + 18 H2O
Ca(No3)2 = Ca + No3 =>
Ca(No3)2 = Ca + 2 No3
Cl1 + KI = I2 + KCl2 =>
4 Cl1 + 2 KI = I2 + 2 KCl2
Cl2 + AlI = ClI + Al =>
Cl2 + 2 AlI = 2 ClI + 2 Al
FeN + MgS = Fe2S3 + Mg3N2 =>
2 FeN + 3 MgS = Fe2S3 + Mg3N2
K2[HgI4] + KOH + NH4Cl = [OHg2NH2]I + KCl + KI + H2O =>
2 K2[HgI4] + 4 KOH + NH4Cl = [OHg2NH2]I + KCl + 7 KI + 3 H2O
Li2CO3 + O2 = Li2O2 + CO2 =>
2 Li2CO3 + O2 = 2 Li2O2 + 2 CO2
Li2HCO3 = Li + CO3 + CO2 + H2O =>
2 Li2HCO3 = 4 Li + CO3 + CO2 + H2O
ZnBr2 + Na2S = ZnS + BrNa =>
ZnBr2 + Na2S = ZnS + 2 BrNa
LiH + F2 = LiF + H2 =>
2 LiH + F2 = 2 LiF + H2
Ca(OH)2 + H2Br = BrCa + H2O =>
Ca(OH)2 + H2Br = BrCa + 2 H2O
FeSO42H2O + (NH4)2C2O4H2O = FeC2O42H2O + (NH4)2SO4 + H2O =>
FeSO42H2O + (NH4)2C2O4H2O = FeC2O42H2O + (NH4)2SO4 + H2O
Mn + SnCl4 = Sn + MnCl2 =>
2 Mn + SnCl4 = Sn + 2 MnCl2
Ga + H2(SO4) = Ga2(SO4)3 + H2 =>
2 Ga + 3 H2(SO4) = Ga2(SO4)3 + 3 H2
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
NaOH + FeCI{3} = NaCI + Fe(OH){3} =>
NaOH + FeCI{3} = NaCI + Fe(OH){3}
CH3CH2Br + H2 = CH3CH3 + HBr =>
CH3CH2Br + H2 = CH3CH3 + HBr
NaNO2 + NaNO3 + H2O = NaOH + NO2 =>
NaNO2 + NaNO3 + H2O = 2 NaOH + 2 NO2
Zr(IO3)4*KIO3*8H2O + KI + HCl = I2 + H2O + ZrCl4 + KCl =>
Zr(IO3)4*KIO3*8H2O + 25 KI + 30 HCl = 15 I2 + 23 H2O + ZrCl4 + 26 KCl
BaCl2 + NH4Br = BaBr + NH4Cl2 =>
BaCl2 + NH4Br = BaBr + NH4Cl2
Tl + Cl2 = TlCl =>
2 Tl + Cl2 = 2 TlCl
Be2O + H2O = BeOH =>
Be2O + H2O = 2 BeOH
Fe + O2 + H2O = Fe2O3*4H2O =>
4 Fe + 3 O2 + 8 H2O = 2 Fe2O3*4H2O
Co(NO3)3 + Na2CO3 = Co2(CO3)3 + NaNO3 =>
2 Co(NO3)3 + 3 Na2CO3 = Co2(CO3)3 + 6 NaNO3
Cu + H2O + NaOH = Cu(OH)2 + Na(H2O) =>
Cu + 2 H2O + 2 NaOH = Cu(OH)2 + 2 Na(H2O)
NH4Cl + Ba(OH)2 = NH3 + BaCl2 + H2O =>
2 NH4Cl + Ba(OH)2 = 2 NH3 + BaCl2 + 2 H2O
Fe2(CO3)3 + HI = FeI3 + CO2 + H2O =>
Fe2(CO3)3 + 6 HI = 2 FeI3 + 3 CO2 + 3 H2O
C4H10(s) + O2(g) = CO2(g) + H2O =>
2 C4H10(s) + 13 O2(g) = 8 CO2(g) + 10 H2O
N2 + H2O = N(OH) + H2 =>
N2 + 2 H2O = 2 N(OH) + H2
Pb + Zn(NO3)2 = Zn + PbNO3 =>
2 Pb + Zn(NO3)2 = Zn + 2 PbNO3
NH3 + H2[SO4] = [NH4]2[SO4] =>
2 NH3 + H2[SO4] = [NH4]2[SO4]
HIO3 + FeI2 + HCl = FeCl3 + ICl + HOH =>
5 HIO3 + 4 FeI2 + 25 HCl = 4 FeCl3 + 13 ICl + 15 HOH
Cu + H2O + NaOH = Cu(OH) + Na(H2O) =>
Cu + H2O + NaOH = Cu(OH) + Na(H2O)
CrO2 + ClO = CrO4 + Cl =>
CrO2 + 2 ClO = CrO4 + 2 Cl
C3H7Br + Mg + C4H8O = C7H15O + MgBr =>
C3H7Br + Mg + C4H8O = C7H15O + MgBr
IRON(III)CHLORIDE + LEAD(II)NITRATE = IRON(III)NITRATE + LEAD(II)CHLORIDE =>
IRON(III)CHLORIDE + LEAD(II)NITRATE = IRON(III)NITRATE + LEAD(II)CHLORIDE
Cu(s) + AgC2H3O2(aq) = Cu(C2H3O2)2(aq) + Ag(s) =>
Cu(s) + 2 AgC2H3O2(aq) = Cu(C2H3O2)2(aq) + 2 Ag(s)
SO3 + O2 = SO39 =>
SO3 + 18 O2 = SO39
C2H5Br + Br2 = C2H4Br2 + H2 =>
2 C2H5Br + Br2 = 2 C2H4Br2 + H2
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