3. Calculate AG° for the following reaction at 25°C. Will the reaction occur spontaneously? How do...
For the reaction HCl(g) + NH3(g) NH4Cl(s) AG° = -77.5 kJ and AS° = -284.8 J/K at 346 K and 1 atm. This reaction is (reactant, product) favored under standard conditions at 346 K. The standard enthalpy change for the reaction of 2.15 moles of HCl(g) at this temperature would be kJ. Submit Answer Retry Entire Group 7 more group attempts remaining
1. Calculate AG°for the following reaction at 25°C using AG ° = AH ° - TAS° Fe2O3 (s) + 3 H2(g) → 2 Fe (s) + 3 H2O (1) 2. Calculate AG ° for the same reaction using AG°f values Fe2O3 (s) 3 H2(g) → 2 Fe (s) + + 3 H20 (1) + 3. Calculate AGº of the following reaction: 2C (s) H 2 (g) → C2H 2 (g) Use Hess' Law, AG° = AG°1 + AG°2 + AG°3...
AG°= AH-TAS AG=AGº+RTinQ where R=8.314 J/mol K 1. Calculate AGº for the following reaction at 25 °C if AH°= -1854 kJ/mol; AS°= -236 J/mol K CH-COCH3(g) + 402(g) → 3C02(g) + 3H2O(1) 2. NH.NO, dissolving in water is a spontaneous process. As it dissolves, the temperature of the solution decreases. Based on this, what must the signs (positive or negative) of AG, AH, and AS be?
9) Using the information given calculate, AH, AS and AG at 25°C (remember, for a reaction calculated using the relationship: AH = AH° reaction = nАHºf(products) - EnАHºt(reactants). PAY ATTENTION TO UNITS AND SIGN PC13(g) + Cl2 (g) → PCls(g) AHºt(kJ/mol) -287 O -374.9 (why is AHºt = 0 for Cl2?) Sºt (J/K) 311.67 223.1 364.47
The value of AG° at 25 °C for the following reaction: C2H4 (g) + H2 (g) → C2H6 (g) is kJ/mol. At 298 K, AH° for this reaction is -137.5 kJ/mol, and ASº is +120.5 J/K. 35800 A. -101.7 B. -173.4 C. -35800 D. 0 E.
7 Consider the following reaction at 298 K: NH3(g) +HCI(g)NH4CI(s) Using the thermochemical data at 298 K given below (a) Determine the AH for the reaction. (2 marks) (b) Determine the AG for the reaction and comment on its value. (3 marks) (c) Determine the maximum work done available in the reaction. (3 marks) An equilibrium mixture, consisting of 0.5 atm of NHy(), 0.5 atm of HCKg) and excessive of NH Cl(s), is enclosed in a container at 298 K...
Calculate deltaGϴ for the following balanced reaction at 25 °C using the data in the table below. Calculate AG for the following balanced reaction at 25 °C using the data in the table below. CO(NH2)2(s) + H2O(l) → CO2(g) + 2 NH3(g) A:HⓇ (kJ mor') -333.19 Se (J K-'mol-') 104.6 CO(NH2)2(s) H2O(1) -285.9 69.96 CO2(g) -393.5 213.6 NH3(g) -46.19 192.5
Question 5 Correct Use AG° =AH° -TAS° to calculate AG (in kJ) at 298 K for : Mark 1.00 out of 1.00 2002(g) +4H2O(1) ► 2CH3OH(1) + 302(g) P Flag question Answer: 1404.84 Question 6 Not answered Marked out of 1.00 If the above reaction could be done at 3399 K, what would be your estimate for AGº (in kJ) at this elevated temperature? Use AGⓇ =AH°-TAS and assume AH° and AS are independent of temperature. P Flag question (Theis...
Calculate AG for the following reaction at 25°C. 2 Ca(s) + O2(g) → 2 Ca(s) (J/K mol) Substance AH (kJ/mol AG (kJ/mol) Ca(s) Ca2+(aq) CaO(s) Ca(OH)2(5) CaF2(5) CaCl(s) O(g) 028) O3(aq) Oz(8) -542.96 -635.6 -986.6 -1,214.6 -794.96 249.4 -553.0 -604.2 -896.8 -1,161.9 -750.19 230.1 41.6 -55.2 39.8 83.4 68.87 113.8 160.95 205.0 110.88 237.6 -12.09 142.2 16.3 163.4
Question 4 1 pts Calculate ASºsys for this reaction at 25°C. Input final answer in units of J/K and to 1 decimal place. N2(g) + 3 H2(g) → 2 NH3(g) Species Sº (J/mol K) AH°F (kJ/mol) N2(g) 191.5 o H2(g) 130.6 NH3(g) 192.8 -45.92