Determine Delta S degree_rxn for H_2 (g) + I_2 (g) 2 HI (g) given the following...
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 = ?
Determine ASX for H, (g)+1, (g) $2HI(g) given the following information: Substance Sº (J/mol · K) H2(g) 130.58 12(g) 116.73 HI(g) 206.3 -41.10 J/K -165.29 J/K +398.75 J/K d. +165.29 JK e. +41.10 J/K
Determine AS Question 3 Not yet answered for Halo) + 1200) 52HI(g) given the following information: Substance Sº (J/mol K) H260) 130.58 1760) 116.73 HI(g) 206.3 Points out of 1.00 Select one: a. 165.29 J/K b. +398.75 J/K C-165.29 J/K d. +41.10 J/K e. -41.10 J/K
CALCULATING AS FOR REACTIONS (Math) 5. Determine AS for Hz(x) +13(g) 5 2HI(e) given the following information. Substance S (J/mol K) Hz(8) 130.58 1:(8) 116.73 HI(g) 206.3 d. a 41.10 J/mol - K b.-165.29 J/mol - K c. +398.75 J/mol K +165.29 J/mol - K 41.10 J/mol - K CHEM 104 6. What is the standard entropy change when 10.0 g of methane reacts with 10.0 g of oxygen? CH_(g) + 20:(g) - CO:(g) + 2H,00 Substance Sº (J/mol ·...
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?
At 400 K, an equilibrium mixture of H_2, I_2, and HI consists of 0.068 mol H_2, 0.075 mol I_2, and 0.13 mol HI in a1.00-L flask. What is the value of K_p, for the flowing equilibrium? (R = 0.0821 L middot atm (K - mol)) 2HI_(g) Rightwardsharpoonoverleftwardsharpoon H_2 (g) + I_2 (g) A) 0.039 B) 3.4 C) 26 D) 0.29 E) 8.2 If K = 0.150 for A_2 + 2B Rightwardsharpoonoverleftwardsharpoon 2AB, what is the value of K for the...
Consider the following reaction: H_2 (g) + I_2 (g) Equilibrium 2 HI (g) Complete the following table. Assume that all concentrations are equilibrium concentrations in M. Part A Find K_c at 25 degree C. Express your answer using three significant figures. K_c = _______ Part B Find [H_2] at 340 degree C. Express your answer using two significant figures. [H_2] = _______ M Part C Find [HI] at 445 degree C. Express your answer using three significant figures. [HI] =...
At a particular temperature, K = 1.00 Times 10^2 for the following reaction. H_2(g) + I_2(g) 2 HI(g) IN an experiment, 1.39 mol H_2, 1.39 mol HI are introduced intoa 1.00-L, container, Calculate the concentrations of all species when equilibrium is reached. H_2 M I_2 M HI M
H_2(g) + I_2(g) rightarrow 2HI(g) Initial concentration [H_2] = 2: [I_2] = 2: [HI] = 3 Kc = 55.17 Is the system at equilibrium? If not, which direction should equilibrium shift? What is equilibrium concentration of each species? 55.17 == [3 + 2X]^2/[2 - X]^2 X = ? Relative strength of acid and base: The stronger the acid, the weaker its conjugate base The stronger the base, the weaker its conjugate acid
IV
Consider the reaction: H_2 (g) + I_2 (g) = 2 HI(g) A reaction mixture in a 4.25 L flask at a certain temperature initially contains 0.668 g H_2 (g) and 86.9 g of I_2 (g). At equilibrium, the flask contains 78.4 g HI. Calculate K_c degree for this reaction at this temperature.