Calculate AE for a process, given that q = -47 kJ, and w= +88 kJ. we...
Question 17 5 pts Calculate AE for a process, given that q = -47 kJ, and w=+88 kJ. we cannot determine 0 -135 kJ -41 kJ +41 kJ +135 kJ 5 pts Question 18
Calculate AE for each of the following. (a) a = -34 k), w = +88 kJ Ok] (b) q = +82 k), W = +40. kJ CkJ (c) 9 = +33 k), w = 0 Ok] (d) In which of these cases do the surroundings do work on the system? (Select all that apply.) case a case b casec O none of the cases
For a process at constant pressure. AE = q and w = 0 AE = w and q = 0. AE=AH AH = 0 Submit Request Answer
5. For a particular process, q=-17 kJ and w = 21 kJ. Which of the following statements is false? a. Heat flows from the system to the surroundings. b. The system does work on the surroundings. c. AE = +4 kJ d. The process is exothermic. e. None of the above is false.
1. If q 60 kJ and w = 96 kJ for a certain process, that process (3) a. requires a catalyst. b. is endothermic. c. occurs slowly. d. is exothermic. e. cannot occur. 2. What is the change in internal energy of the system (AU) if 71 kJ of heat energy is absorbed by the system and 12 kJ of work is done on the system for a certain process? (4) a. 83 kJ b. 59 kJ c. 71 kJ...
For a process at constant volume, A9= 0, w=0, and AE = 0 w= 0 and AE = 9. OB. cw= 0 and AH = a. ОО w= 0 and AE = AH. OD Moving to another question will save this rerna
For a particular process q = -28 kJ and w = +48 kJ. What conclusion(s) can be drawn for this process? (i) ΔE = +20 kJ (ii) ΔSsurroundings < 0 (iii) the reaction is endothermic (iv) the volume of the system increases Select one: a. (iii) and (iv) only b. (i) and (ii) only c. (ii), (iii), and (iv) only d. (i), (ii), and (iv) only e. (i) only
5. 83 kJ of heat are exchanged between the system and surroundings in an endothermic reaction, and the system does 2.0 k) of work on the surroundings. Which of the following statements are true? a. q>0, w <0, AE >O b. q<0, w<O, AE > C. q< 0, w < 0, AE < 0 d. 9>0, w >O, AE > e. The answer cannot be determined from the information provided
Calculate ΔE for the following situations: q = 6.900 kJ; w = 0.7000 J q = -545.0 J; w = -335.0 J
15) For a particular process that is carried out at constant pressure. A AE = 140 kJ and AH = 170 kJ. C) AE = 110 kJ and AH = 140 kJ. 140 kJ and w*-30 kl. Therefore, B) AE = 170 kJ and AH = 140 kJ. D) AE - 140 kJ and AH110 kl. 16) How much energy is evolved during the formation of 296 g of Fe, according to the reaction below? Fe2O3(s) + 2 Al(s) →...