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Question 15 Tries remaining Points out of 1.00 Flag question Find the temperature (°C) below which...
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
Question 9 Tries remaining 1 Points out of 100 Flag question Find the change in enthalpy (kJ) for the melting of an unknown substance Y if the entropy for the process is 83.615 J/K at -4.7 °C. Multiple tries are permitted, however, 20% (1/5) point will be deducted for each incorrect response Answer: Check
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 11 Tries remaining 1 Points out of 1.00 Flag question For the reaction below, determine the standard change in Gibb's free energy, 4Gº (kJ). Reference relevant 4Gº formation values in Appendix G. P(s) +506) - PO.(*); K = 0 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 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 13 Tries remaining 2 Points out of 1.00 P Flag question If the AH for a given reaction is -14.9 kJ, and AS is -78.1 J/K, indicate whether the reaction is spontaneous (and the sign for AG) at the temperature listed. This question allows multiple attempts, however, 1/4 (25%) point will be deducted if an incorrect submission is submitted. T = 150K T298 K Choose Choose Check
19 Question 19 Tries remaining 1 Points out of 1.00 P Flag question For the equilibrium reaction written below, AG = -213.9 kJ at 298 K. If the partial pressure of CO2 is 1.4 atm, what is the standard change in Gibb's free energy (kJ) of this reaction? CO,() =CO,() Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response. Answer:
Question 10 Tries remaining Points out of 100 Flaggston What is the overall change in entropy (J/K) of the 'universe' for the condensation of an unknown substance B? The change in entropy for the process is -8.8 J/K and the change in entropy for the surroundings is 12.2 J/K. Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response Answer: Check
Question 3 Tries remaining: 2 Points out of 1.00 P Flag question Predict which of the following oxyacids is the strongest acid. Multiple tries are permitted; however, 33% (1/3) point will be deducted for each incorrect response. Select one HNO2 H2NO2 Ο ΗΝO H2N202 Check