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2 P + 3 Ca = Ca3P2
Co + SO4 + NH3 + H2O = (CoOH)2SO4 + NH4 =>
2 Co + SO4 + 2 NH3 + 2 H2O = (CoOH)2SO4 + 2 NH4
C6H5CH3 + KMNO4 + H2SO4 = C6H5COOH + MNSO4 + K2SO4 + H2O =>
5 C6H5CH3 + 6 KMNO4 + 9 H2SO4 = 5 C6H5COOH + 6 MNSO4 + 3 K2SO4 + 14 H2O
NaCl(s) + H2SO4(l) = HCl(g) + Na2SO4(s) =>
2 NaCl(s) + H2SO4(l) = 2 HCl(g) + Na2SO4(s)
H2SO4 + Nh4OH = H2O + (Nh4)2SO4 =>
H2SO4 + 2 Nh4OH = 2 H2O + (Nh4)2SO4
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
HBrO3 + H2S = S + HBr + H2O =>
HBrO3 + 3 H2S = 3 S + HBr + 3 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Fe + O2 + H2O = Fe2O3*3H2O =>
4 Fe + 3 O2 + 6 H2O = 2 Fe2O3*3H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Na2CO3 + KOH = NaOH + K2CO3 =>
Na2CO3 + 2 KOH = 2 NaOH + K2CO3
HNO3 = NO2 + O2 + H2O =>
4 HNO3 = 4 NO2 + O2 + 2 H2O
Ca(HCO3)2 + Na2Co3 = CaCo3 + NaHCO3 =>
Ca(HCO3)2 + Na2Co3 = CaCo3 + 2 NaHCO3
C12H22O11 + H2O = C2H5OH + CO2 =>
C12H22O11 + H2O = 4 C2H5OH + 4 CO2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Ca3P2 + H2O = PH3 + Ca(OH)2 =>
Ca3P2 + 6 H2O = 2 PH3 + 3 Ca(OH)2
P2O5 + CaCO3 = Ca3(PO4)2 + CO2 =>
P2O5 + 3 CaCO3 = Ca3(PO4)2 + 3 CO2
NH4HSO4 + HCl = NH4Cl + H2SO4 =>
NH4HSO4 + HCl = NH4Cl + H2SO4
K2Cr2O7 + SnSO4 + H2SO4 = Sn(SO4)2 + K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 3 SnSO4 + 7 H2SO4 = 3 Sn(SO4)2 + K2SO4 + Cr2(SO4)3 + 7 H2O
S(s) + H2SO4(aq) = SO2(g) + H2O(l) =>
S(s) + 2 H2SO4(aq) = 3 SO2(g) + 2 H2O(l)
CH3(CH2)7CHCH(CH2)7COOH + KMnO4 + H20 = CH3(CH2)7CHOHCHOH(CH2)7COOH + MnO2 + KOH =>
5 CH3(CH2)7CHCH(CH2)7COOH + 10 KMnO4 + H20 = 5 CH3(CH2)7CHOHCHOH(CH2)7COOH + 10 MnO2 + 10 KOH
Mg + HNO3 = Mg(NO3)2 + NH3 + H2O =>
4 Mg + 9 HNO3 = 4 Mg(NO3)2 + NH3 + 3 H2O
C2H5Cl + CH3Cl + Na = C3H8 + NaCl = pt,300° =>
C2H5Cl + CH3Cl + 2 Na = C3H8 + 2 NaCl
CU + HCl = CUCl2 + H2 =>
CU + 2 HCl = CUCl2 + H2
N2O5 = N2O4 + O2 =>
2 N2O5 = 2 N2O4 + O2
Cu + HNO3 = Cu(NO3) + NO + H2O =>
3 Cu + 4 HNO3 = 3 Cu(NO3) + NO + 2 H2O
KI + KNO2 + H2O = I2 + NO + KOH =>
2 KI + 2 KNO2 + 2 H2O = I2 + 2 NO + 4 KOH
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
CH3(CH2)7CHCH(CH2)7COOH + KMnO4 + Na2CO3 = CH3(CH2)7CHOHCHOH(CH2)7COOH + MnO2 + K2CO3 + NaOH =>
29 CH3(CH2)7CHCH(CH2)7COOH + 86 KMnO4 + 7 Na2CO3 = 27 CH3(CH2)7CHOHCHOH(CH2)7COOH + 86 MnO2 + 43 K2CO3 + 14 NaOH
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
CH3(CH2)4CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)4CH3 + 19 O2 = 12 CO2 + 14 H2O
AgNO3 + Na2SO3 = AgSO3 + Na2NO3 =>
AgNO3 + Na2SO3 = AgSO3 + Na2NO3
C6H5COONa + NaOH = C6H6 + Na2CO3 =>
C6H5COONa + NaOH = C6H6 + Na2CO3
CuCl2 + AgNO3 = Cu(NO3)2 + AgCl =>
CuCl2 + 2 AgNO3 = Cu(NO3)2 + 2 AgCl
FeS + HNO3 = Fe(NO3)3 + NO + S + H2O =>
FeS + 4 HNO3 = Fe(NO3)3 + NO + S + 2 H2O
PH3 + H2O = P2O5 + H2 =>
2 PH3 + 5 H2O = P2O5 + 8 H2
NH4Cl + I = NH4I + Cl =>
NH4Cl + I = NH4I + Cl
Al + HBr = AlBr3 + H2 =>
2 Al + 6 HBr = 2 AlBr3 + 3 H2
AlCl3 + H2So4 = Al2(So4)3 + HCl =>
2 AlCl3 + 3 H2So4 = Al2(So4)3 + 6 HCl
MnO2(s) + H2SO4(aq) = Mn(SO4)2(s) + H2O(l) =>
MnO2(s) + 2 H2SO4(aq) = Mn(SO4)2(s) + 2 H2O(l)
NH4Cl + I = NH4I + Cl2 =>
2 NH4Cl + 2 I = 2 NH4I + Cl2
NH4Cl + I2 = NH4I + Cl2 =>
2 NH4Cl + I2 = 2 NH4I + Cl2
FeS + HNO3 = Fe(NO3)3 + NO + H2O + H2SO4 =>
FeS + 6 HNO3 = Fe(NO3)3 + 3 NO + 2 H2O + H2SO4
H + CL = HCL =>
H + CL = HCL
C + S = SC =>
C + S = SC
HCl(aq) + KI(aq) = HI(aq) + KCl(aq) =>
HCl(aq) + KI(aq) = HI(aq) + KCl(aq)
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
Se + O2 = SeO2 =>
Se + O2 = SeO2
C + N = CN =>
C + N = CN
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