71. For the reaction C2H4(g) +C2(g) determine ApH°, given that C2H&C2(1), 2 Cl2(g) + 2H20(1) A,H° =-202.4 kJ...
For the reaction C2H4(8) + Cl2(g) — C2H4C12(1), determine A,Hº, given that 4 HCl(g) + O2(g) — 2012(g) + 2 H2O(1) AH° = –202.4 kJ mol-1 2 HCl(g) + C2H4(8) + + O2(g) — C2H4Cl2(1) + H2O(1) ArHº = -318.7 kJ mol-1
For the reaction C2H4(g) + Cl2(g) C2H4C12(1), determine AH°, given that 2 Cl2(g)2 H2O(I) 4 HCl(g)O2(g) -202.4 kJ mol1 1 2 HCI(g) + C2H4(g) +O28) 1 -318.7 kJ mol C2H4C12(1) H2O(1) AH°
Fill in the Blanks Given this balanced chemical reaction, 4 HCl(g) + O2(g) +2H20(0) + 2 C12(e) AH reaction=-202.4 kJ (give answer in decimal notation, i.e. 234,000) a. How many J (joules) of heat are released when 2.50 moles of HCl react with excess oxygen gas? b. How many moles of HCl are there in 89.3 g of HCl? c. How many kJ of heat are released when 89.3 g of HC react with excess O2? (Enter your answers as...
Consider the reaction shown. 4 HCl(g) + 02(g) 2 CL2(g) + 2 H2O(g) Calculate the number of grams of Cl2 formed when 0.375 mol HCl reacts with an excess of o2 Consider the reaction shown. 4 HCl(g) + O2(g) + 2Cl2(g) + 2 H,0(g) Calculate the number of grams of CI, formed when 0.375 mol HCl reacts with an excess of o, bo
The reaction: 2 Cl2(g) + 2 H2O(g) ➝ O2(g) + 4 HCl(g) has ΔG° = +11.2 kJ/mol and ΔH° = +114.4 kJ/mol at 800 K. a) What is the numerical value of the equilibrium constant for this reaction at 800 K? b) What is the numerical value of ΔG for the reaction in a vessel containing 3.6 bar Cl2, 1.4 bar H2O, 0.20 bar O2, and 0.50 bar HCl at 800 K?
23. Question (1 point) W Calculate the free-energy change of the following reaction at 221°C: C2H(g) +302(g) → 2002(g) + 2H20(g) A Hºt, kJ/mol 52.3 Sº, J/mol K 219.5 C2H4(g) O₂(g) CO2(g) H2O(g) -393.5 205.0 213.6 188.7 -241.8 1st attempt
Part A Consider a fuel cell that uses the reaction C2H4 (g)302(g) -2CO2(g) 2H20(1 Using the standard free energies of formation, what is the value of E° for the cell reaction? Substance and StateAG C2H4(g) CO2 (g) (kJ/mol) 68.1 -394.4 H20() O2(g) -237.2 0 Express your answer with the appropriate units. HA ? Value Units E° Previous Answers Request Answer Submit
Physical Chemistry Question please show work Given the reactions (1) and (2) below, determine the following. He =-184.62 k, mol-1 (1) H2(g) + Cl2(g) → 2 HCl(g) (2) 2 H2(g) + O2(g) → 2 H2O(g) (3) 4 HCl(g) + O2(g) → Cl2(g) + 2 H2O(g) A,He =-483.64 k, mol-1 (a) 4,He and 4ue for reaction (3) -114.4 kJ mol-1 Aue mol-1 (b) ΔfHe for both HCI(g) and H2O(g) all at 298K. HCI(g) Δ(He kJ mol-1 kJ mol-1
1.) The reaction 2NOCl(g) → 2NO(g) + Cl2 (g) has an activation energy of 100.0 kJ/mol and a rate constant at 350.0 K of 8.5 x 10-6 mol-1 L s-1. Determine the rate constant at 400 K. 2.) For the reaction 2 H2 (g) + O2 (g) → 2 H2O (g) it was found that at a given temperature and after a certain time the rate of formation of H2O(g) was 0.27 mol L-1 s-1. What is the rate of consumption of O2 (g)...
Practice with Hess's Law and Standard Heats of Formation 1. (Example) The reaction C2H4 (g) + 6 F2 (g) → 2 CF4(g) + 4 HF (g) can be written as the sum of: C2H4 (9) ► 2 C(s) + 2 H2 (g) AH = -52.3 kJ/mol 2 C(s) + 4 F2 (9) ► 2 CF4(9) AH = -1360 kJ/mol 2 H2(g) + 2 F2 (g) → 4 HF (a) AH = -1074 kJ/mol C2H4(g) + 6 F2(g) → 2 CF4(g)...