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A system containing 2.50 mol of an ideal gas for which Cv,m=20.79 J mol-1k-1 is taken through the cycle in the diagram to the left in the direction indicated by the arrows. The curved path corresponds to PV=nRT, where T=T1=T3. a. Calculate q,w,delta U and Delta H for each segment and for the cycle. b. Calculate q,w,delta U and Delta H for each segment and for the cycle in which the direction of each process is reversed. In the graph all it says is the P initial =16.6 bar and Vinitial=1.00L and P final=16.6 bar and V final =25L
A gas confined in a 519.1-mL container exerts a pressure of 107 mm Hg at 38.6 degrees Celsius. At what Celsius temperature will it exert a pressure of 635.7 mm Hg if it is placed into a 644 mL container?
How much ammonium hydroxide is needed to react completely with 75.0g of copper (2) nitrate in a double replacement reaction.
When 4-hydroxybutanal is treated with methanol in the presence of an acid catalyst, 2-methoxytetrahyrofuran is formed. Show the mechanism for this reaction.
Suppose that a sample of gas occupies 192 mL of volume at 25C and a pressure of 206 torr. What would be the volume if the pressure were changed to 506 torr at 25C.
An unknown gas X effuses 1.65 times faster than C3H8. What is the molecular mass of gas X?
What is the formula weight of KI? What quantity of KI is present in 301 mL of a 0.30 M solution?
Compute the change in temperature for 4.50 grams of Calcium chloride CaCl 2 dissolved in 90.0 mL of water H 2 O. (Assume that the calorimeter absorbs no heat )
A 9-mm Xian short-barrel experimental pistol is fired and the reacting, exploding gases push the bullet down the barrel of the gun. The pressure is recorded as the bullet accelerates to the exit.
Determine what would you use to prepare 10 ml of 0.2M CaCl 2 from the 20M stock solution and find out which solution is with pH > 7, but is not an Arrhenius base in the strict sense?
What is the density of a block of marble that occupies 253 cm3 and has a mass of 752 g?
Consider the unbalanced equation: C5H12(l) +O2(g) --> CO2(g) +H2O(l) if 25.2 grams of pentane (C5H12) are burned in excess oxygen, how many grams of H2O will be produced?
The very dense metal iridium has a face-centered cubic unit cell and a density of 22.56 g/cm3. Use this information to calculate the radius of an atom of the element.
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