We use the formula ∆G = ∆H - T∆S
Here, ∆G is Gibbs free energy, ∆H is enthalpy change, ∆S is entropy change and T is the temperature.
T = 273 + 97.5 = 370.5 K
34200 = ∆H - 370.5*(-197.3)
∆H = -389 kJ
Enthalpy change = -389 kJ
Question 17 The remaining Points out of 100 g What is the change in enthalpy (kJ)...
Question 14 PFlag question Points out of 1.00 Tries remaining 1 What is the change in Gibb's free energy (kJ) for a given reaction? The change in enthalpy for the reaction is -137.7 kJ, and the change in entropy is 30.0 J/K at 5.0 °C. Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response Answer: Check
Question 20 Tries remaining Points out of 100 pFlag question For an equilibrium reaction, AG=0 kJ at 452.8 K. If the equilibrium constant is 7.4, what is the standard change in Gibb's free energy (kJ) of this reaction? Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response. Answer: Check
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Question 16 Tries remaining 1 Points out of 100 P Flag question Find the temperature (°C) above which the evaporation of unknown liquid Sis spontaneous. The change in enthalpy for the reaction is 440.5 kJ, and the change in entropy is 284.1 J/K Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response Answer: Check
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Question 18 Tries remaining 1 Points out of 100 p Pag question For the equilibrium reaction written below, find AG (kJ) at 298 K. The concentration of C2H2 is 0.26 M, the concentration of C6H6 is 0.081 M, and the standard change in Gibb's free energy is -111.9 kJ for this reaction. 3CH2(6) CH.Ca) Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response.
Question 21 Tries remaining Points out of 1.00 Plaquestion For an equilibrium reaction, AG=0kJ at 344.6 K. If the standard change in Gibb's free energy of this reaction is 0.652 kJ, what is the equilibrium constant? Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response Answer: Check
Question 19 Tries remaining 1 Points out of 1.00 Flag question For the equilibrium reaction written below, AG = -247.7 kJ at 298 K. If the partial pressure of CO2 is 3.0 atm, what is the standard change in Gibb's free energy (kJ) of this reaction? CO2(8) C0.6) Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response. Answer: Check
Question 22 Tries remaining Points out of 1.00 pagi For an equilibrium reaction, AG0 kJ at 270.1 K. If the standard enthalpy of this reaction is -29,5 kJ, and the standard entropy is 42.7J/K, what is the equilibrium constant? Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response. Answer: Check
Question 15 Tries remaining Points out of 1.00 Flag question Find the temperature (°C) below which the evaporation of unknown liquid Dis spontaneous. The change in enthalpy for the reaction is -263.7 kJ, and the change in entropy is -481.5 J/K. Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response Answer: Check