Input interpretation
potassium hydroxide + hydrogen peroxide + KCr(OH)4 ⟶ water + potassium chromate
Balanced equation
Balance the chemical equation algebraically: + + KCr(OH)4 ⟶ + Add stoichiometric coefficients, c_i, to the reactants and products: c_1 + c_2 + c_3 KCr(OH)4 ⟶ c_4 + c_5 Set the number of atoms in the reactants equal to the number of atoms in the products for H, K, O and Cr: H: | c_1 + 2 c_2 + 4 c_3 = 2 c_4 K: | c_1 + c_3 = 2 c_5 O: | c_1 + 2 c_2 + 4 c_3 = c_4 + 4 c_5 Cr: | c_3 = c_5 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 = 3/2 c_3 = 1 c_4 = 4 c_5 = 1 Multiply by the least common denominator, 2, to eliminate fractional coefficients: c_1 = 2 c_2 = 3 c_3 = 2 c_4 = 8 c_5 = 2 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | 2 + 3 + 2 KCr(OH)4 ⟶ 8 + 2
Structures
+ + KCr(OH)4 ⟶ +
Names
potassium hydroxide + hydrogen peroxide + KCr(OH)4 ⟶ water + potassium chromate
Chemical names and formulas
| potassium hydroxide | hydrogen peroxide | KCr(OH)4 | water | potassium chromate formula | | | KCr(OH)4 | | Hill formula | HKO | H_2O_2 | H4CrKO4 | H_2O | CrK_2O_4 name | potassium hydroxide | hydrogen peroxide | | water | potassium chromate IUPAC name | potassium hydroxide | hydrogen peroxide | | water | dipotassium dioxido-dioxochromium
Substance properties
| potassium hydroxide | hydrogen peroxide | KCr(OH)4 | water | potassium chromate molar mass | 56.105 g/mol | 34.014 g/mol | 159.12 g/mol | 18.015 g/mol | 194.19 g/mol phase | solid (at STP) | liquid (at STP) | | liquid (at STP) | solid (at STP) melting point | 406 °C | -0.43 °C | | 0 °C | 971 °C boiling point | 1327 °C | 150.2 °C | | 99.9839 °C | density | 2.044 g/cm^3 | 1.44 g/cm^3 | | 1 g/cm^3 | 2.73 g/cm^3 solubility in water | soluble | miscible | | | soluble surface tension | | 0.0804 N/m | | 0.0728 N/m | dynamic viscosity | 0.001 Pa s (at 550 °C) | 0.001249 Pa s (at 20 °C) | | 8.9×10^-4 Pa s (at 25 °C) | odor | | | | odorless | odorless
Units
