Question

2843 21. For the reaction in the previous problem, what is AG? Faraday's Constant F - 485 J/(V-mol 190 WOD - 1140 +11402 4 - 2842 22. A solution contains 0.273 M NH CHaq). What concentration of NH,/>) must be added to make a buffer of pH 9.40 0,193 M 0.386 M 4 0.0410 M 4 0317M 3.17M 23. In an aqueous solution, if pou - 8%, what is [HT? pl рон JOH1 88 7 16,3x10* & 1.6*10*M 63.5 x 10M d. 52M 16x 10M 24. IT AH and AS are both negative for a reaction, then the reaction is norspontaneous at low temperatures and spontaneous at high temperatures spontaneous at low temperatures and nonspontaneous at high temperatures cspontan.cous at all temperatures d nonspontaneous at all tomperatures, products 25. Consider the following data for the foot order reaction: time IZI Os 1.0000 M 30 0.3829 90 0,0561 Calculate the rate constant k. (Hint: make a third column and then calculate the slope.) 2 2.1x10'' 1,0x 10' < $4x 10's! 3.2 x 10 e 31 26. Suppose that all +998W and AS - -0.664 WX for a chemical reaction. What is AGⓇ at 600K? +3586W b. -35862 +237.74 +43826 . 4382 U