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H2O + PCl5 = HCl + POCl3

Input interpretation

water + phosphorus pentachloride ⟶ hydrogen chloride + phosphoryl chloride
water + phosphorus pentachloride ⟶ hydrogen chloride + phosphoryl chloride

Balanced equation

Balance the chemical equation algebraically:  + ⟶ +  Add stoichiometric coefficients, c_i, to the reactants and products: c_1 + c_2 ⟶ c_3 + c_4  Set the number of atoms in the reactants equal to the number of atoms in the products for H, O, Cl and P: H: | 2 c_1 = c_3 O: | c_1 = c_4 Cl: | 5 c_2 = c_3 + 3 c_4 P: | c_2 = c_4 Since the coefficients are relative quantities and underdetermined, choose a coefficient to set arbitrarily. To keep the coefficients small, the arbitrary value is ordinarily one. For instance, set c_1 = 1 and solve the system of equations for the remaining coefficients: c_1 = 1 c_2 = 1 c_3 = 2 c_4 = 1 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: |   | + ⟶ 2 +
Balance the chemical equation algebraically: + ⟶ + Add stoichiometric coefficients, c_i, to the reactants and products: c_1 + c_2 ⟶ c_3 + c_4 Set the number of atoms in the reactants equal to the number of atoms in the products for H, O, Cl and P: H: | 2 c_1 = c_3 O: | c_1 = c_4 Cl: | 5 c_2 = c_3 + 3 c_4 P: | c_2 = c_4 Since the coefficients are relative quantities and underdetermined, choose a coefficient to set arbitrarily. To keep the coefficients small, the arbitrary value is ordinarily one. For instance, set c_1 = 1 and solve the system of equations for the remaining coefficients: c_1 = 1 c_2 = 1 c_3 = 2 c_4 = 1 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | + ⟶ 2 +

Structures

 + ⟶ +
+ ⟶ +

Names

water + phosphorus pentachloride ⟶ hydrogen chloride + phosphoryl chloride
water + phosphorus pentachloride ⟶ hydrogen chloride + phosphoryl chloride

Chemical names and formulas

 | water | phosphorus pentachloride | hydrogen chloride | phosphoryl chloride Hill formula | H_2O | Cl_5P | ClH | Cl_3OP name | water | phosphorus pentachloride | hydrogen chloride | phosphoryl chloride IUPAC name | water | pentachlorophosphorane | hydrogen chloride |
| water | phosphorus pentachloride | hydrogen chloride | phosphoryl chloride Hill formula | H_2O | Cl_5P | ClH | Cl_3OP name | water | phosphorus pentachloride | hydrogen chloride | phosphoryl chloride IUPAC name | water | pentachlorophosphorane | hydrogen chloride |