H2 reacts with the halogens (X2) according to the reaction: H2 (9) + X2 (g) =...
H2 reacts with the halogens (X2) according to the reaction: H2(g)+X2(g)⇌2HX(g) where X2 can be Cl2, Br2, or I2. Reactant/Product ΔH∘f(kJ/mol) ΔS∘f(J/mol⋅K) H2(g) 0 130.7 Cl2(g) 0 223.1 HCl(g) -92.3 186.9 Br2(g) 30.9 245.5 HBr(g) -36.3 198.7 I2(g) 62.42 260.69 HI(g) 26.5 206.6 Part A Calculate ΔH∘ for the reaction between hydrogen and Cl2. Express your answer using four significant figures. ΔH∘ Δ H ∘ = kJ Previous AnswersRequest Answer Incorrect; Try Again; 11 attempts remaining Part B Calculate ΔS∘...
Can someone help 9) Ethylene, C2H,reacts with elemental halogens in the gas phase according to the following reaction to form 1,2-dihaloethanes: НН + X-X (g) HH (9) 1,2-dihaloethane, C2H2 Ethylene, C2H Elemental halogen Here, "X-X" is shorthand for Cl2. Br2.or 2 a) Use the enthalpies of formation and Third Law entropies in the table below to calculate Gibbs free energies of reaction for the formation of each dihaloethane. Although you're going to do 3the same calculation three times, you only...
Consider the reaction: 2HBR(g) >H2(g) + Br2() Using standard thermodynamic data at 298K, calculate the free energy change when 1.51 moles of HBr(g) react at standard conditions AG° kJ rxn AHof (kJ/mol) AG°F (kJ/mol) s° (J/mol K) Beryllium Вe(s) 0 9.5 -569.0 ВeO(s) -599.0 14.0 Be(ОН)2(s) -902.5 -815.0 51.9 AH°f (kJ/mol) AG°f (kJ/mol) s° (J/mol K) Bromine Br(g) 111.9 175.0 82.4 Br2() 152.2 0 0 Br2(g) 30.9 3.1 245.5 Br2(aq) -3.0 4.0 130.0 -121.0 -175.0 82.0 Br (aq) BrF3(g) -255.6...
Suppose you want to carry out the chemical reaction H2(g) + Cl2(g) + 2HCl(9) and have 1 mole of Cl2 gas. Part A What volume in liters of H, gas would you need to have 1 mole of H2, given that the H2 pressure and temperature are 1.12 atm and 25.5 °C? Express your answer with the appropriate units. "! A ROO? VE Value Units Submit Request Answer Part B What would the volume of the product be if it...
CHEM 1340 Hybrid Fall 2019 <Chapter 7 Problem 7.13 For the reaction H2 (9) +12(g) + 2HI(9), equilibrium concentrations at 25 "Care [H2) = 0.0510 mol/L, [12] = 0.174 mol/L and [HI] = 0 507 mol/L Part A What is the value of K at 25°C 180 ALORO ? KE Submit Request Answer Provide Feedback
A Review Constants !! Consider the following reaction: Br2(g) + Cl2(g) = 2BrCl(9) Kp = 1.11 x 10- at 150 K. A reaction mixture initially contains a Br2 partial pressure of 765 torr and a Cl, partial pressure of 725 torr at 150 K. Part A Calculate the equilibrium partial pressure of BCL O ALCO O? tor Submit Previous Answers Request Answer X Incorrect; Try Again 2 attempts remaining
Hydrogen reacts with nitrogen to form ammonia (NH3) according to the reaction 3 H2(g) + N2(g) → 2 NH3(g). The value of AH is -92.38 kJ/mol, and that of AS is -198.2 J/mol · K. Determine AG at 50.00°C for the preparation of 2 moles of NH3. (answer in kJ/mol) Answer: -56.723 Check
Consider the reaction: H2(g) +12(9) =2HI(9) A reaction mixture in a 3.60 -L flask at 500 K initially contains 0.375 g H2 and 17.91 g 12. At equilibrium, the flask contains 17.76 g HI. Part A Calculate the equilibrium constant at this temperature. Express your answer using three significant figures. IVO AXDA O O ? K = Submit Previous Answers Request Answer X Incorrect; Try Again
Item 14 Consider the oxidation of NO to NO: NO(g) + 02 (9) N02(9) Part A AH Calculate AGran at 25°C. Express your answer with the appropriate units. Reactant or product NO 02 NO, (kJ/mol) 91.3 0 33.2 (J/mol. K) 210.8 205.2 240.1 MÅ Value OO? Units AGE- You may want to reference (Pages 864 - 869) Section 18.8 while completing this problem. Submit Request Answer Part B Specify whether the reaction is spontaneous at standard conditions, O spontaneous at...
Consider the reaction 2 CO2(g) +5 H2(e) C H2(e) + 4H2O(g) Using the standard thermodynamic data in the tables linked above, calculate the equilibrium constant for this reaction at 298.15K ANSWER: Submit Answer Retry Entire Group more group attempts remaining AH,(kJ/mol) AG® (kJ/mol) Sº (J/mol K) -238.7 -116.0 126.8 219.0 -363.0 249.0 135.1 -166.3 -110.0 -351.0 125.0 209.2 68.2 - 129.0 202.0 226.7 200.9 52.3 - 166.0 -53.0 -277.7 219.6 250.0 242.0 160.7 -13.0 -235.1 282.7 Carbon CH3OH (1) H2CO...