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1. (a)What are the signs of ?S and ?H for the process depicted here ?G?
(b) How might temperature affect the sign of?
(c) If energy can flow in and out of the system to maintain a constant temperature during the process, what can you say about the entropy change of the surroundings as a result of this process?
2. The accompanying diagram shows how entropy varies with temperature for a substance that is a gas at the highest temperature shown.
(a) What processes correspond to the entropy increases along the vertical lines labeled 1 and 2?
(b) Why is the entropy change for 2 larger than that for 1?
consider the titration of 100.0 ml of 0.200 m acetic acid ka 1.8 10-5 by 0.100 m koh. calculate the ph of the
Three pure compounds are formed when 1.00-{\rm g} samples of element X combine with, respectively, 0.472 {\rm g}, 0.630 g, and 0.789 g of element {\rm Z}. The first compound has the formula {\rm{X}}_2 {\rm{Z}}_3.
the following mechanism has been proposed for the reaction of nitric oxide and chloridenog
A rolaid tablet contains calcium carbonate, which neutralizes stomach acid. if 44.55 mL of 0.448 M hydrochloric acid is required to neutralize one tablet, how many milligrams of calcium carbonate are in a rolaids tablet
18.25 ml of 0.197 M NaOH will neutralize 10.00 ml of what molar concentration of H2SO4 solution?
Calculate the theoretical pH of the solution when beginning with 10.00 mL of 0.200 M HCl and dilute it to 50.00 mL with distilled water.
What is the pOH of a 0.0054 M KOH solution? 2. Rank H3PO4, H2PO4^-, and HPO4^2- in order of increasing acid strength.
Draw the lewis dot structure oxalate and for carbon dioxide. In terms of electronic structure, what happens when oxalate decomposes
What is the pH of a solution in which 323 mL of HCl(g), measured at 26.8 degrees Celsius and 1.02 atm, is dissolved in 1.5 L of aqueous solution?
determine the mole fraction of sodium chloridenacl in the solutionnbsp if this nbspsolution is formednbsp by mixing
Explain what is produced at each electrode in the electrolysis of an aqueous solution of both NaBr and AgF? categorize as Anode, Cathode or Not Produced
Provide condensed structures for the alkane the two alkyl chlorides and the two alkenes
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