Input interpretation
![Mg magnesium + F_2 fluorine ⟶ MgF](../image_source/3eef5446e91a01760be7f5428dd93bca.png)
Mg magnesium + F_2 fluorine ⟶ MgF
Balanced equation
![Balance the chemical equation algebraically: Mg + F_2 ⟶ MgF Add stoichiometric coefficients, c_i, to the reactants and products: c_1 Mg + c_2 F_2 ⟶ c_3 MgF Set the number of atoms in the reactants equal to the number of atoms in the products for Mg and F: Mg: | c_1 = c_3 F: | 2 c_2 = c_3 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_2 = 1 and solve the system of equations for the remaining coefficients: c_1 = 2 c_2 = 1 c_3 = 2 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | 2 Mg + F_2 ⟶ 2 MgF](../image_source/d5d57d952092d7f557b16ff1e2af5fb7.png)
Balance the chemical equation algebraically: Mg + F_2 ⟶ MgF Add stoichiometric coefficients, c_i, to the reactants and products: c_1 Mg + c_2 F_2 ⟶ c_3 MgF Set the number of atoms in the reactants equal to the number of atoms in the products for Mg and F: Mg: | c_1 = c_3 F: | 2 c_2 = c_3 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_2 = 1 and solve the system of equations for the remaining coefficients: c_1 = 2 c_2 = 1 c_3 = 2 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | 2 Mg + F_2 ⟶ 2 MgF
Structures
![+ ⟶ MgF](../image_source/1d7580fc4a4d89fee06ab27e09884b21.png)
+ ⟶ MgF
Names
![magnesium + fluorine ⟶ MgF](../image_source/cc9de8b8a0c587bce64ffedbfd726867.png)
magnesium + fluorine ⟶ MgF
Equilibrium constant
![Construct the equilibrium constant, K, expression for: Mg + F_2 ⟶ MgF Plan: • Balance the chemical equation. • Determine the stoichiometric numbers. • Assemble the activity expression for each chemical species. • Use the activity expressions to build the equilibrium constant expression. Write the balanced chemical equation: 2 Mg + F_2 ⟶ 2 MgF Assign stoichiometric numbers, ν_i, using the stoichiometric coefficients, c_i, from the balanced chemical equation in the following manner: ν_i = -c_i for reactants and ν_i = c_i for products: chemical species | c_i | ν_i Mg | 2 | -2 F_2 | 1 | -1 MgF | 2 | 2 Assemble the activity expressions accounting for the state of matter and ν_i: chemical species | c_i | ν_i | activity expression Mg | 2 | -2 | ([Mg])^(-2) F_2 | 1 | -1 | ([F2])^(-1) MgF | 2 | 2 | ([MgF])^2 The equilibrium constant symbol in the concentration basis is: K_c Mulitply the activity expressions to arrive at the K_c expression: Answer: | | K_c = ([Mg])^(-2) ([F2])^(-1) ([MgF])^2 = ([MgF])^2/(([Mg])^2 [F2])](../image_source/5f2e787906624ee2867b5895a75de252.png)
Construct the equilibrium constant, K, expression for: Mg + F_2 ⟶ MgF Plan: • Balance the chemical equation. • Determine the stoichiometric numbers. • Assemble the activity expression for each chemical species. • Use the activity expressions to build the equilibrium constant expression. Write the balanced chemical equation: 2 Mg + F_2 ⟶ 2 MgF Assign stoichiometric numbers, ν_i, using the stoichiometric coefficients, c_i, from the balanced chemical equation in the following manner: ν_i = -c_i for reactants and ν_i = c_i for products: chemical species | c_i | ν_i Mg | 2 | -2 F_2 | 1 | -1 MgF | 2 | 2 Assemble the activity expressions accounting for the state of matter and ν_i: chemical species | c_i | ν_i | activity expression Mg | 2 | -2 | ([Mg])^(-2) F_2 | 1 | -1 | ([F2])^(-1) MgF | 2 | 2 | ([MgF])^2 The equilibrium constant symbol in the concentration basis is: K_c Mulitply the activity expressions to arrive at the K_c expression: Answer: | | K_c = ([Mg])^(-2) ([F2])^(-1) ([MgF])^2 = ([MgF])^2/(([Mg])^2 [F2])
Rate of reaction
![Construct the rate of reaction expression for: Mg + F_2 ⟶ MgF Plan: • Balance the chemical equation. • Determine the stoichiometric numbers. • Assemble the rate term for each chemical species. • Write the rate of reaction expression. Write the balanced chemical equation: 2 Mg + F_2 ⟶ 2 MgF Assign stoichiometric numbers, ν_i, using the stoichiometric coefficients, c_i, from the balanced chemical equation in the following manner: ν_i = -c_i for reactants and ν_i = c_i for products: chemical species | c_i | ν_i Mg | 2 | -2 F_2 | 1 | -1 MgF | 2 | 2 The rate term for each chemical species, B_i, is 1/ν_i(Δ[B_i])/(Δt) where [B_i] is the amount concentration and t is time: chemical species | c_i | ν_i | rate term Mg | 2 | -2 | -1/2 (Δ[Mg])/(Δt) F_2 | 1 | -1 | -(Δ[F2])/(Δt) MgF | 2 | 2 | 1/2 (Δ[MgF])/(Δt) (for infinitesimal rate of change, replace Δ with d) Set the rate terms equal to each other to arrive at the rate expression: Answer: | | rate = -1/2 (Δ[Mg])/(Δt) = -(Δ[F2])/(Δt) = 1/2 (Δ[MgF])/(Δt) (assuming constant volume and no accumulation of intermediates or side products)](../image_source/d142f1336f395d471dc95d47b7788de6.png)
Construct the rate of reaction expression for: Mg + F_2 ⟶ MgF Plan: • Balance the chemical equation. • Determine the stoichiometric numbers. • Assemble the rate term for each chemical species. • Write the rate of reaction expression. Write the balanced chemical equation: 2 Mg + F_2 ⟶ 2 MgF Assign stoichiometric numbers, ν_i, using the stoichiometric coefficients, c_i, from the balanced chemical equation in the following manner: ν_i = -c_i for reactants and ν_i = c_i for products: chemical species | c_i | ν_i Mg | 2 | -2 F_2 | 1 | -1 MgF | 2 | 2 The rate term for each chemical species, B_i, is 1/ν_i(Δ[B_i])/(Δt) where [B_i] is the amount concentration and t is time: chemical species | c_i | ν_i | rate term Mg | 2 | -2 | -1/2 (Δ[Mg])/(Δt) F_2 | 1 | -1 | -(Δ[F2])/(Δt) MgF | 2 | 2 | 1/2 (Δ[MgF])/(Δt) (for infinitesimal rate of change, replace Δ with d) Set the rate terms equal to each other to arrive at the rate expression: Answer: | | rate = -1/2 (Δ[Mg])/(Δt) = -(Δ[F2])/(Δt) = 1/2 (Δ[MgF])/(Δt) (assuming constant volume and no accumulation of intermediates or side products)
Chemical names and formulas
![| magnesium | fluorine | MgF formula | Mg | F_2 | MgF Hill formula | Mg | F_2 | FMg name | magnesium | fluorine | IUPAC name | magnesium | molecular fluorine |](../image_source/36f33032ae459a434bb507deeb6117d9.png)
| magnesium | fluorine | MgF formula | Mg | F_2 | MgF Hill formula | Mg | F_2 | FMg name | magnesium | fluorine | IUPAC name | magnesium | molecular fluorine |
Substance properties
![| magnesium | fluorine | MgF molar mass | 24.305 g/mol | 37.996806326 g/mol | 43.303 g/mol phase | solid (at STP) | gas (at STP) | melting point | 648 °C | -219.6 °C | boiling point | 1090 °C | -188.12 °C | density | 1.738 g/cm^3 | 0.001696 g/cm^3 (at 0 °C) | solubility in water | reacts | reacts | dynamic viscosity | | 2.344×10^-5 Pa s (at 25 °C) |](../image_source/0614ca3d9ee69495fa63ddbb1a1db1f2.png)
| magnesium | fluorine | MgF molar mass | 24.305 g/mol | 37.996806326 g/mol | 43.303 g/mol phase | solid (at STP) | gas (at STP) | melting point | 648 °C | -219.6 °C | boiling point | 1090 °C | -188.12 °C | density | 1.738 g/cm^3 | 0.001696 g/cm^3 (at 0 °C) | solubility in water | reacts | reacts | dynamic viscosity | | 2.344×10^-5 Pa s (at 25 °C) |
Units