Download [PDF] SAT Chemistry Test Questions Form 3YAC2 with Answer Keys Collegeboard

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Chemistry Test Practice Helps The test that follows is an actual. recentty administered SAT Subject Test in Chemistry. To get an idea of what it's like to take this test practice under conditions that are much like those of an actual test administration. c> Set aside an hour when you can take the test uninterrupted. Make sure you complete the test in one ~itting. e Sit at adesk or table with no other books or papers. Dictionaries. other books, or notes are not allowed in the test room.

CHEMISTRY TEST Note: For all questions involving solutions, assume thai the solvent is water unless otherwi'ie slaled. Throughout the test the foHowing symbols have the definitions specified unless otherwise noted. fI ;:;; enthalpy atm ::::: atmosphere(s) M -;:;: molar g :::;;: gram(s) n ::::: number of moles J :::: joule(s) p ::; pressure kJ ::::: kilojoule(s) R ::::: molar gas constant L liter(s) S = entropy mL = milliliter(s) T temperature mm :::: millimeter(s) V ::::: volume mol :::: mole(s) V == voll(s) Part A Directions: Each set of lettered choices below refers 10 the numbered statements or questions immediately fol­ lowing it Selecl the one lettered choice that best fits each statemenl or answers each queslion and then fill in the corresponding circle on the answer sheet. A choice may be used once. more than once. or not at aU in each set Questions 1-3 refer to the following pieces of Questions 4-6 refer to the foHowing infonnatian. labol"atory equipment Na 2CrO", a soluble yenow solid (A) Condenser PbCr0 4 • an insoluble yellow solid (B) Funnel NaNO). a soluble white solid (e) Pipet Pb(N0 3h. a soluble white solid

CHEMISTRY TEST ~Conti"ued Questions 7-9 refer to the fonowing.

-- Cl-tEMISTRY TEST-Continued Questions 21·24 refer to the lettered solutions in the laboratory schemes represented below. (A) (B) (C) Mix equal volumes + 0.1 MHCI O.l MNaOH Hydrochloric Acid Sodium Hydrox.ide (0) (E) MixeQU318volume.. .. ~+ g 0.1 M HC zH30 2 O. t M NaOH Acetic Acid Sodium Hydroxide 2 L Has a hydroltide ion concentration of W- 7 Mat 29& K IGO ON TO THE NEXT PAGE) ~292

CHEMISTRY TEST-Continued PLEASE GO TO THE SPECIAL SECTION LABELED CHEMISTRY AT THE LOWER LEFT­ llAND CORNER OF THE PAGE OF THE ANSWER SHEET YOU ARE WORKING ON AND ANSWER QUF.sTIONS 101-11S ACCORDING TO THE FOLLOWING DIRECTIONS. PartS Directions: Each question below consists of two statements, I in the left-hand column and nin (he right-hand column. For each question. determine whether statement I is true or false an.4 whether statement nis true or false and fill in the corresponding Tor F circles on your answer sheet. Fm in circle CE only if statement II is a COrrect ~~n of the true statement I. EXAMPLES: EX 1. I H1SO .. is a strong acid BECAUSE II Il1SO .. contains sutrur. EX 2. AD atom of oxygen is electrically neutral BECAUSE an oxygen at()ln contains an equal number of protons and electrons. I IT CE* SAMPLE ANSWERS EXt. ® • ® 0 EX2.®. I

CHEMISTRY TEST -Continued \08. All indicators are colorless in neutral solution 109. AIM sucrose solution and aIM NaCI solution have the same freezing point llO. The average kinetic energy of gas molecules increases as che temperature increases

CHEMISTRY TEST -Continued Part C Oirections: Each of the questio~s or in,complete statements below is followed by five suggested ans wers or completions, Select lh~ one that IS best in each case and then fill in the corresponding circle on the answer sheet. 25. When 2 mol of H2S(g) react with an excess of oxygen according to the equation above, how much "20(8) is produced? (Equation is not balanced.)

CHEMISTRY TEST-Continued 30. Which of (he following is a lransition element? 35. When the equation above is balanced and all the coefficients are reduced (0 lowest whole-number tenns, what is the coeffIcient for FC20)(s)?

CHEMISTRY TEST -Continued 39. Factors that influence :",helher.or nOl two. colliding molecules will react mclude wtuch or the following? L The energy of the collision U. The orientation of the molecules IlL The size difference between the reactant and product molecules 40. Wbat is the expression for the equilibrium cons.tant. K~'1' for the reaction represented above? [so]] (A) Keq [s021°2] _ [SOlr (B) Keq - 2 [s0 21 [0 21 [S02) + [0 21 (C) Ke(J [SO}] (0) K = [S02f + [0 21 eq [S03]2 [SOJ] (E) Keq (SOz} + {o2l 4[. A solution contains l.OO mol of glucose, C6HI20 6 • and 2.00 mol of urea. (NHzhCO, in 7.00 mol of water. What is the mole fraction of glucose in the solution? (A) 0.100

CHEMISTR Y TEST -Continu.ed 45. According to the reaction represented above, 1.00 mol of CO(g) reacts at O°C and 1 atm to COnsume bow much 02(g}? (A) 32.0 g 50. All of the following statements are correct for the reaction represented by the equation above EXCEPT:

CHEMISTRY TEST -Continued 0.4 V (L) P (atm) 2 # 0.5 100 200 400 500 ------~-----~- --\----­ T(K) 200 200 200 200 51. The data given in the table above describe the behavior of a sample of gas. Which of the following empirica11aws docs the data illustrate? (k is a constant.) 53. Which of the following statements ~bout the reaction represented above is true?

CHEMISTRY TEST -Continued 54. The element carbon is the chief constituent of all of the following EXCEPT 57. When 1 mol of P401O(S) reacts completely with water to produce H}POiaq) according to the reaction represented by the unbalanced equation above, the number of moles of HzO(l) consumed is

.. IT! :. (f)Y, CHEMISTRY TEST-Continued Questions 63-65 Mg(s) + 2 H+ --7 Mgl+ + H2(g) Astudent performed an experiment to determine {he amount of hydrogen gas released in a reaction. The student produced the hydrogen gas by reacting hydrochloric acid and a strip of magnesium metal according to the equation above. AU of the magnesium metal was consumed and the hydrogen gas was wUected by displacement of water in an inverted boule. The student's data contain the following information. Mass of Mg ............ : ............................. 0.024 g Volume of gas collected over water.. .... 25.2 mL -Water temperature .................... " ......... 22.0°C Room temperature ............................... 22.0°C Atmospheric pressure ......................... 749.8 mm Hg Vapor pressure of water at 22°C ......... 19.8 mm Hg 63. What number of moles of magnesium was used? (A) 5.8 x 10- 1 mol (B) 3.0 x 10- 2 mol (C) 2.4 x 10- 2 mol

66. if 0.10 mol of HF(g) is fonned according to the reaction represented above, approximately how much heat is evolved? 69. The system above is at equilibrium in a closed container. Which of the following would increase the amount of pell in the system? iF YOU FINISH BEFORE TIME IS CALLED, YOU MAY CHECK YOUR WORK ON TIllS TEST ONLY. DO NOT TURN TO ANY OlHER TEST IN TI-lIS BOOK. Unauthorlze