Question

37. Which of the following pairs does NOT exhibit a direct relationship? A pressure and volume D. all are direct C. volume and temperature B. pressure and temperature 38. Determine what the pressure is inside of a 15.01 container holding 3.5 moles of Ha gas at 298. 15 K. E.5.7 atm A. 4.8 atm D. 1.4 atm 8.110 atm C. 86 atm 39. If volume and the amount of gas within a container remains constant, what will happen to the pressure when the temperature of the gas is increased? D cannot be predicted in constant A. it must go down B. it must go up C. it must remai 40. A 2.0 L tank with an internal pressure of 1.5 atm contains 1.30 moles of pure Or gas at O C. What is the new pressure,if 0.20 moles of gas are seleased assuming the tank's volume and temperature do not change? D. 1.7 atmE. 1.0 atm A 0 atmB. 2.7 atm c.13 atm 41. Which of these is a correct arrangement of the Ideal Gas Law? A. PYn = RT 42. When 0.40 moles of Or gas are used in the formation of water, what volume of H,O vapor can be collected at STP? 8.45L C.18L E. 2.2L D. 12 L 43. Which of these solutes would you expect to have the greatest effect on the boiling point when added to a solvent? C. 1.0 mol C,H&O (non-electrolyte) D. same effect from all A 1.0 mol of Al(NO) B. 1.5 mol KOH 44. A bag with a semipermeable membrane is filled with 0.25 M of a large colloid. When it is submerged in a solution of 0.50 M of the colloid, what will happen? B. solvent will flow into the bag, causing it to shrink D. solvent will flow out of the bag, causing it to swell A. solvent will flow into the bag, causing it to swell C. solvent will flow out of the bag, causing it to shrink E. none of these 45. What is the molarity of a 2.5 L solution that contains 29.22 g of NaCI? (NoCI molar mass: 58.44 g/mol) A 2.0 M 8.0.20 M C. 12 M D. 0.80 M E.5.8 M 46. What is the percent by mass (m/m) of a solution made by putting 13.55 g of NaCI into 75.00g of solvent? A, 15.30% KCI B.6535% KCIC, 18.07% Ka D, 10.16% KCİ E. 5.535% KCi 47. How much of a 2.0 M Na SO, will be required for a dilution that makes 50. mL of 0.60 M Na,SO4? A. 35 mL B. 15 ml C. 65 mL E. 18 ml D. 50 mL