Question 13 1 pts A reaction has AHºrx = -98 kj and AS rx = -333j/K....
Question 13 1 pts A reaction has AHºrx = -98 kj and AS rx = -333j/K. Calculate below what temperature the reaction becomes favorable. Enter the temperature in °C with 1 decimal place and no units. K = 273.15+ °C
Question 13 1 pts A reaction has AHºrxn = 82 kj and ASºrxn = 255j/K. Calculate above what temperature the reaction becomes favorable. Enter the temperature in °C with 1 decimal place and no units. K = 273.15 + °C
Question 8 1 pts A particular reaction has AH = -104 kJ and AS = -137 J/K. At 25°C, what is the minimum amount of heat that is lost to the surroundings when this reaction occurs? Enter your answer to 0 decimal places and in units of kJ. Do not include a positive or negative sign in your answer.
If the ΔH°rx and ΔS°rx for a gas phase chemical reaction are 419.53 kJ and -178.85 J/K respectively, determine ΔG°rx (in kJ) at 103.11 °C. Report your answer to two decimal places (i.e. 123.45 kJ). Assume that ΔH°rx and ΔS°rx do not vary with temperature.
Question 3 1 pts The rate constant, k, of the first order reaction A B +C is k = 8.62 x 10-35-1. If the initial concentration of A is 2.74 M, how long will it take for the concentration of A to fall below 0.32 M? Give your answer to one decimal place in MINUTES (do not input the units). For example, if your answer is 8.956 minutes, enter 9.0 Question 4 1 pts The rate constant, k, of the...
Incorrect Question 1 0/1 pts At 699 K, AGⓇ = -23.25 kJ for the reaction H2 (9) + 12 (9) =2HI (9). Calculate AG for this reaction if the reagents are both supplied at 10.0 atm pressure and the product is at 2.00 atm pressure. -42.2kJ +4.5k +422 kJ +18.7 kJ .-18.7 kJ
Question 5 For a chemical reaction, AH° 238 = +135.7 kJ and A Sº= +0.379 kJ/K. Calculate A Gº 800 A-167.5 kJ B.-132.8 kJ C. +133.9k D-212.8 kJ E.-192.3 kJ ОА OB ОС OD ОЕ Question 6 0.5 pt For a chemical reaction, Hº 238 = +135.7 kJ and A Sº = +0.379 kJ/K. At what temperature will A Gº=0? A. 213K B. 402K C.358 K D. 470K E. 251K ОА OB Ос OD ОЕ Question 7 0.5 For a...
Question 15 1 pts Given that AGºrxn = 3.79 kj for the following reaction at 289 K, calculate the equilibrium concentration of C if the equilibrium concentrations of A = 0.82 M and B = 0.56 M. Enter the result with 3 s.f. and scientific notation. 1A + 3B — 3C
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
1) Calculate 4G rx (350 K) for the reaction: H2O(g) +0.502(g) → H2O2(1) using the Gibbs-Helmholtz equation and (46°F 2120-228.57 kJ/mol; 4G°F (H202)-120.35 kJ/mol; Hºr ano)-241.82 kJ/mol; AHF (H202)=-198.78 kJ/mol). You may assume that the difference between 4GºrxN and AHørxn is temperature independent.