Cliffs AP Chemistry, 3rd Edition

Practice Test Section II Free-Response Questions Thermochemistry ∆S°= RS%f products−RSf%reactants ∆H° = R∆H%f products– R∆H%frea ...

P= pressure V= volume T= absolute temperature n= number of moles D = density m= mass v= velocity urms= root mean square velocity ...

Practice Test Section II Free-Response Questions Oxidation-Reduction and Electrochemistry Q ab cd AB CD abwhere A B C D cd =++" ...

Part IV: AP Chemistry Practice Test E°redPotentials in Water Solution at 25°C Li++ e– → Li(s) −3.05 Cs++ e– → Cs(s) −2.92 K++ e– ...

Water Vapor Pressure Temperature (°C) Water Vapor Pressure (mm Hg) 0 4.6 10 9.2 15 12. 7 20 17.4 30 31.5 35 41.8 40 55.0 50 92.2 ...

Section II (Free-Response Questions) Part A: Question 1 Directions:Clearly show the methods used and steps involved in arriving ...

(c) What is the formula of the solid product? (d) Write a balanced equation for the reaction. Assume that the empirical formula ...

Part B: Question 4 Directions:No Calculators may be used with Part B. Write the formulas to show the reactants and the products ...

Practice Test Section II Free-Response Questions GO ON TO THE NEXT PAGE Part B: Question 5 and 6 Directions:No Calculators may b ...

Part B: Question 7 or 8 Directions:No Calculators may be used with Part B. Answer either Question 7 or 8. Only one of these two ...

Answers and Explanations for the Practice Test Answer Key for the Practice Test Section I (Multiple-Choice Questions) C 26.C 51 ...

Predicting Your AP Score The table below shows historical statistical relationships between students’ results on the multi- ple- ...

Answers and Explanations for the Practice Test Section I (Multiple-Choice Questions) (C) Shielding and large ionic radius minim ...

(B) Silicon, in order to bond four hydrogen atoms to itself, must exhibit sp^3 hybridization. (D) Two of the four valence ele ...

(D) 8.00 g of oxygen atomsrepresent 0.500 mole. . . . . mole O / gO mole X moles O gO gX 0 500 g X mole X 800 1 2 800 44 0 ##= ...

24.(B) The molarity of a solution multiplied by its volume equals the number of moles of solute. In this case, 450 mL of 0.35 M ...

29.(D) Step 1: Write the balanced equation in equilibrium: 2 SO 3 (g) ↔2 SO 2 (g) + O 2 (g) Step 2: Write the equilibrium expres ...

35.(A) The functional group of an amide is The name of this amide is acetamide. 36.(B) The functional group of an amine is The n ...

43.(C) Water molecules are neutral. Hydroxide ions (OH–) have a −1 charge. The overall charge of the complex is +1. Zinc would h ...

48.(D) All intermediate mechanisms must add up to yield the original, overall balanced equation. () () () () () () () () () NO g ...