Use Hess's Law to determine Delta H for the reaction 2 Al(s) + 3 Cl_2(g) rightarrow...
I dont understand how to use hess's law to figure this out Given the following data: Fe_2 O_3 (s) + 3 CO(g) rightarrow 2 Fe(s) + 3 CO_2 (g) delta H = -23 kJ 3 Fe_2 O_3 (s) + CO(g) rightarrow 2 Fe_3 O_4 (s) + CO_2 (g) delta H = -39 kJ Fe_3 O_4 (s) + CO(g) rightarrow 3 FeO(s) + CO_2 (g) delta H = +18 kJ calculate delta H for the reaction FeO(s) + CO(g) rightarrow Fe(s)...
Use the delta H degree information provided to determine delta H degree_rxn for the following reactions: CH_4(g) + 3 Cl_2(g) rightarrow CHCl_3(l) + 3 HCl(g) delta H degree_rxn = ? CH_4(g) = -75 kJ/mol; CHCl_3(l) = -134 kJ/mol; HCl(g) = -923 kJ/mol
What is Delta G in kJ for the reaction: Cl_2(g)+ 2 Br^- rightarrow Br_2(l) + 2 Cl^- if [Br^-] = 0.100, [Cl^-] = 0.50, and p(Cl_2) = 1.00 atm? The temperature 25 degree C.
For the reaction 2 HBr(g) + Cl_2(g) rightarrow 2 HCl(g) + Br_2(g) a. Write the equilibrium constant expression for the reaction. b. Using the following G degree values, calculate Delta G degree for the reaction. HBr(g) = -53.22 kJ/mol HCl(g) = -95.27 kJ/mol Cl_2(g) = 0 kJ/mol Br_2(g) = 3.14 kJ/mol c. Calculate the equilibrium constant K_eq be at 298 K. d. Does this equilibrium lie more with reactants or products?
Consider the reaction Cl_2(g) + 3F_2(g) rightarrow 2CIF _3 (g) Delta [Cl_2]/Delta t = -0.077 M/s Find Delta [F_2]/Delta t Express your answer to two significant figures and include the appropriate units. Find Delta [CIF_3]/Delta t Express your answer to two signific ant figures and include the appropriate units.
Given reactions 1 and 2 below, calculate delta H degree_Rxn and delta U degree_Rxn for reaction 3. Rxn 1 H_2(g) + I_2(s) rightarrow 2 HI(g) delta H degree_Rxn = +52.96 kJ/mol Rxn 2 2H_2(g) + O_2(g) rightarrow 2 H_2 O(g) delta H degree_Rxn = -483.64 kJ/mol Rxn 3 4 HI(g) + O_2(g) rightarrow 2 I_2(s) + 2 H_2O(g) delta H degree_Rxn = ? delta U degree_Rxn = ?
For the reaction N_2(g) + 3 H_2(g) rightarrow 2 NH_3(g) Delta G degree = -23.6 kJ and Delta S degree = -198.7 J/K at 345 K and 1 atm. This reaction is (reactant, product) favored under standard conditions at 345 K. The standard enthalpy change for the reaction of 2.30 moles of N_2(g) at this temperature would be kJ. For the reaction 2 H_2O_2(l) rightarrow 2 H_2O(l) + O_2(g) Delta G degree = -236.9 kJ and Delta H degree =...
Use the standard reaction enthalpies given below to determine Delta H degree _rxn for the following reaction: 2 S(s) + 3 O_2(g) rightarrow 2 SO_3(g) Delta H degree _rxn = ? Given: SO_2(g) rightarrow S(s) + O_2(g) Delta H degree _rxn = +296.8 kJ 2 SO_2(g) + O_2(g) rightarrow 2 SO_3(g) Delta H degree rxn = -197.8 kJ Show all your work!
Given the thermochemical equation: 2HI (g) rightarrow H_2 (g) + I_2 (s) Delta H degree = -52.96 kJ, What is the heat of formation of HI (g), in kJ/mol?
Consider the chlorination of methane, given below: 1 CH_4(g) + 4 Cl_2(g) rightarrow 1 CCl_4(g) + 4 HCl(g) If CH_4(g) is decreasing at the rate of 0.470 mol/s, what are the rates of change of Cl_2(g), CCl_4(g), and HCl(g)? The decomposition reaction given below: 2 NH_3(g) rightarrow 1 N_2(g) + 3 H_2(g) is carried out in a closed reaction vessel. If the partial pressure of NH_3(g) is decreasing at the rate of 402 torr/min, what is the rate of change...