Input interpretation
![CuSO_4 copper(II) sulfate + Cr chromium ⟶ Cu copper + Cr_2(SO_4)_3 chromium sulfate](../image_source/8049e55acb4a367cd5e0be20e3c3e97a.png)
CuSO_4 copper(II) sulfate + Cr chromium ⟶ Cu copper + Cr_2(SO_4)_3 chromium sulfate
Balanced equation
![Balance the chemical equation algebraically: CuSO_4 + Cr ⟶ Cu + Cr_2(SO_4)_3 Add stoichiometric coefficients, c_i, to the reactants and products: c_1 CuSO_4 + c_2 Cr ⟶ c_3 Cu + c_4 Cr_2(SO_4)_3 Set the number of atoms in the reactants equal to the number of atoms in the products for Cu, O, S and Cr: Cu: | c_1 = c_3 O: | 4 c_1 = 12 c_4 S: | c_1 = 3 c_4 Cr: | c_2 = 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_4 = 1 and solve the system of equations for the remaining coefficients: c_1 = 3 c_2 = 2 c_3 = 3 c_4 = 1 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | 3 CuSO_4 + 2 Cr ⟶ 3 Cu + Cr_2(SO_4)_3](../image_source/af27b292f826cfa956e2c7ca0790b51d.png)
Balance the chemical equation algebraically: CuSO_4 + Cr ⟶ Cu + Cr_2(SO_4)_3 Add stoichiometric coefficients, c_i, to the reactants and products: c_1 CuSO_4 + c_2 Cr ⟶ c_3 Cu + c_4 Cr_2(SO_4)_3 Set the number of atoms in the reactants equal to the number of atoms in the products for Cu, O, S and Cr: Cu: | c_1 = c_3 O: | 4 c_1 = 12 c_4 S: | c_1 = 3 c_4 Cr: | c_2 = 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_4 = 1 and solve the system of equations for the remaining coefficients: c_1 = 3 c_2 = 2 c_3 = 3 c_4 = 1 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | 3 CuSO_4 + 2 Cr ⟶ 3 Cu + Cr_2(SO_4)_3
Structures
![+ ⟶ +](../image_source/713077db16846ebc6e46b59a4da2fe79.png)
+ ⟶ +
Names
![copper(II) sulfate + chromium ⟶ copper + chromium sulfate](../image_source/928b8f6035a77c6a71d43fef55365797.png)
copper(II) sulfate + chromium ⟶ copper + chromium sulfate
Equilibrium constant
![Construct the equilibrium constant, K, expression for: CuSO_4 + Cr ⟶ Cu + Cr_2(SO_4)_3 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: 3 CuSO_4 + 2 Cr ⟶ 3 Cu + Cr_2(SO_4)_3 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 CuSO_4 | 3 | -3 Cr | 2 | -2 Cu | 3 | 3 Cr_2(SO_4)_3 | 1 | 1 Assemble the activity expressions accounting for the state of matter and ν_i: chemical species | c_i | ν_i | activity expression CuSO_4 | 3 | -3 | ([CuSO4])^(-3) Cr | 2 | -2 | ([Cr])^(-2) Cu | 3 | 3 | ([Cu])^3 Cr_2(SO_4)_3 | 1 | 1 | [Cr2(SO4)3] 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 = ([CuSO4])^(-3) ([Cr])^(-2) ([Cu])^3 [Cr2(SO4)3] = (([Cu])^3 [Cr2(SO4)3])/(([CuSO4])^3 ([Cr])^2)](../image_source/9ef7158bccd302edb3c6958cb25817b1.png)
Construct the equilibrium constant, K, expression for: CuSO_4 + Cr ⟶ Cu + Cr_2(SO_4)_3 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: 3 CuSO_4 + 2 Cr ⟶ 3 Cu + Cr_2(SO_4)_3 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 CuSO_4 | 3 | -3 Cr | 2 | -2 Cu | 3 | 3 Cr_2(SO_4)_3 | 1 | 1 Assemble the activity expressions accounting for the state of matter and ν_i: chemical species | c_i | ν_i | activity expression CuSO_4 | 3 | -3 | ([CuSO4])^(-3) Cr | 2 | -2 | ([Cr])^(-2) Cu | 3 | 3 | ([Cu])^3 Cr_2(SO_4)_3 | 1 | 1 | [Cr2(SO4)3] 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 = ([CuSO4])^(-3) ([Cr])^(-2) ([Cu])^3 [Cr2(SO4)3] = (([Cu])^3 [Cr2(SO4)3])/(([CuSO4])^3 ([Cr])^2)
Rate of reaction
![Construct the rate of reaction expression for: CuSO_4 + Cr ⟶ Cu + Cr_2(SO_4)_3 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: 3 CuSO_4 + 2 Cr ⟶ 3 Cu + Cr_2(SO_4)_3 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 CuSO_4 | 3 | -3 Cr | 2 | -2 Cu | 3 | 3 Cr_2(SO_4)_3 | 1 | 1 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 CuSO_4 | 3 | -3 | -1/3 (Δ[CuSO4])/(Δt) Cr | 2 | -2 | -1/2 (Δ[Cr])/(Δt) Cu | 3 | 3 | 1/3 (Δ[Cu])/(Δt) Cr_2(SO_4)_3 | 1 | 1 | (Δ[Cr2(SO4)3])/(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 = -1/3 (Δ[CuSO4])/(Δt) = -1/2 (Δ[Cr])/(Δt) = 1/3 (Δ[Cu])/(Δt) = (Δ[Cr2(SO4)3])/(Δt) (assuming constant volume and no accumulation of intermediates or side products)](../image_source/4671a9e0b6ffc6bb3056bc3e0a5e095d.png)
Construct the rate of reaction expression for: CuSO_4 + Cr ⟶ Cu + Cr_2(SO_4)_3 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: 3 CuSO_4 + 2 Cr ⟶ 3 Cu + Cr_2(SO_4)_3 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 CuSO_4 | 3 | -3 Cr | 2 | -2 Cu | 3 | 3 Cr_2(SO_4)_3 | 1 | 1 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 CuSO_4 | 3 | -3 | -1/3 (Δ[CuSO4])/(Δt) Cr | 2 | -2 | -1/2 (Δ[Cr])/(Δt) Cu | 3 | 3 | 1/3 (Δ[Cu])/(Δt) Cr_2(SO_4)_3 | 1 | 1 | (Δ[Cr2(SO4)3])/(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 = -1/3 (Δ[CuSO4])/(Δt) = -1/2 (Δ[Cr])/(Δt) = 1/3 (Δ[Cu])/(Δt) = (Δ[Cr2(SO4)3])/(Δt) (assuming constant volume and no accumulation of intermediates or side products)
Chemical names and formulas
![| copper(II) sulfate | chromium | copper | chromium sulfate formula | CuSO_4 | Cr | Cu | Cr_2(SO_4)_3 Hill formula | CuO_4S | Cr | Cu | Cr_2O_12S_3 name | copper(II) sulfate | chromium | copper | chromium sulfate IUPAC name | copper sulfate | chromium | copper | chromium(+3) cation trisulfate](../image_source/499d9503c8664a63a54c31db2f5bfbfe.png)
| copper(II) sulfate | chromium | copper | chromium sulfate formula | CuSO_4 | Cr | Cu | Cr_2(SO_4)_3 Hill formula | CuO_4S | Cr | Cu | Cr_2O_12S_3 name | copper(II) sulfate | chromium | copper | chromium sulfate IUPAC name | copper sulfate | chromium | copper | chromium(+3) cation trisulfate
Substance properties
![| copper(II) sulfate | chromium | copper | chromium sulfate molar mass | 159.6 g/mol | 51.9961 g/mol | 63.546 g/mol | 392.2 g/mol phase | solid (at STP) | solid (at STP) | solid (at STP) | liquid (at STP) melting point | 200 °C | 1857 °C | 1083 °C | boiling point | | 2672 °C | 2567 °C | 330 °C density | 3.603 g/cm^3 | 7.14 g/cm^3 | 8.96 g/cm^3 | 1.84 g/cm^3 solubility in water | | insoluble | insoluble | odor | | odorless | odorless | odorless](../image_source/7eba028a8caa1cba25abd4aa55f2533e.png)
| copper(II) sulfate | chromium | copper | chromium sulfate molar mass | 159.6 g/mol | 51.9961 g/mol | 63.546 g/mol | 392.2 g/mol phase | solid (at STP) | solid (at STP) | solid (at STP) | liquid (at STP) melting point | 200 °C | 1857 °C | 1083 °C | boiling point | | 2672 °C | 2567 °C | 330 °C density | 3.603 g/cm^3 | 7.14 g/cm^3 | 8.96 g/cm^3 | 1.84 g/cm^3 solubility in water | | insoluble | insoluble | odor | | odorless | odorless | odorless
Units