For a spontaneous process, which of the following MUST be true? (select all that apply) Select...
For a spontaneous process, which of the following MUST be true? (select all that apply) Select all that apply: TΔS>ΔH ΔG>0 ΔSuniv>0 ΔSsys>ΔSsurr
4. Which of the following statements is never true for a spontaneous process? I. AS, >O II. ASgurr > 0 III. AS univ> 0 IV. AGº > 0 A) I B) MI C ) IV D) I and III E) III and IV
Which of the following statements must be true for a spontaneous process? Choose all that apply: ΔGsys < 0 ΔSuniv > 0 ΔSsys > 0 ΔHsys - TΔSsys < 0 ΔHsys < 0
If AG < 0 for a reaction, which of the following is/are true? Select all that apply. There will be no net change in the amounts of reactants or products. The reaction is spontaneous in the forward direction. The reaction is spontaneous in the reverse direction. The reaction is at equilibrium. The reaction will proceed to form more products. The reaction will proceed to form more reactants.
A process has a negative AH and a positive AS. Which of the following is true? the process is spontaneous at all temperatures the process isnon-spontaneous at all temperatures the process is spontaneous at high temperatures the process is spontaneous at low temperatures For a reaction in which AG is large and positive, which is true? AG is large and positive AG is large and negative Ο ΔG = ΔG none of these can be assumed
on For a chemical reaction that is not spontaneous, it is found that ASys O. Which of the following could be true? < 0 and its magnitude is less than Δ5w Sur>0 and its magnitude is less than ASys ASur 0 and its magnitude is greater than ASsy Surr > 0 and its magnitude is greater than as,ys. ASuniv>0
Which of the following statements are true (select ALL that apply) (a) The standard entropy of any compound is greater than 0. (b) For a given compound the entropy of a molecule in the gas phase is higher than in a liquid at the same temperature. (c) In a spontaneous process the entropy of the system always increases (d) In a spontaneous process the entropy of the universe always increases. (e) The reaction entropy is always positive. (f) The standard...
A process at constant T and P can be described as spontaneous if AG <0 and nonspontaneous if AG> 0. Over what range of temperatures is the following process spontaneous? Assume that gases are at a pressure of 1 atm. (Hint: Use the data below to calculate AH and AS [assumed independent of temperature and equal to AH° and AS°, respectively] and then use the definition of AG.) 2 MnO2(s) 02(g) 2 MnO(s) AH (kJ mol) -520.0 -385.2 s° (J...
A reaction is spontaneous under a certain set of conditions. Select all equations that must be true for this reaction under these conditions Part A A reaction is spontaneous under a certain set of conditions. Select all equations that must be true for this reaction under these conditions: Select all that apply Submit Part A A reaction is spontaneous under a certain set of conditions. Select all equations that must be true for this reaction under these conditions: Select all...
13 of 15 Kp = 1.73x10-5 for a reaction. Which of the following must be true? O AGⓇ<0 O AG°=0 O AG°>0 O AGº=1