Cliffs AP Chemistry, 3rd Edition

52.(D) The positron is a particle with the same mass as the electron but the opposite charge. The net effect is to change a prot ...

Solving for x, you obtain 32.00 grams/equiv. for metal M. From this information, it would seem reasonable that the unknown metal ...

Therefore, the Cr ion must have a charge of +3. Choice (D) also yields a +3 charge for Cr, and yet does not conform to standard ...

64.(E) This problem can be done using the factor-label method. .. ./ . liter vinegar gram equiv HC H O gram equiv HC H O liter o ...

The Keqis needed for the following equation: . . () () () () . AgCl s I aq AgI s Cl aq K I Cl L mole mole 16 10 L 10 20 10 80 eq ...

The formula that relates the atomic radius (r) to the length of one edge of the cube (s) for a body-centered cubic cell is 4r= s ...

Section II (Free-Response Questions) Scoring Guidelines One point deduction for mathematical error (maximum once per question) O ...

You have a choice in solving for x. The first method would require the quadratic equa- tion—not a good idea because compared to ...

. . . . log .. x xx xH pH 0 476 0 100 18 10 857 10 857 10 1007 4 11 11 # # # + = == =- = +- ^ ^^ _ _ h hh i i (e) Gi ...

Because the gas is 97.2% by mass chlorine, the fraction of chlorine in the gas can be found as follows: %. .(.) whole % part g t ...

Part A: Question 3 Given: CH 3 OH(aq) + O 2 (g) →HCOOH(aq) + H 2 O(,). Data shown in the table (a) Restatement: ∆H°for the oxid ...

(d) Given: ∆HfusHCOOH = 12.71 kJ/mole at 8.3°C Restatement: Calculate ∆Sfor the reaction HCOOH(,) →HCOOH(s) The temperature at w ...

Scoring Guidelines Students choose five of the eight reactions. Only the answers in the boxes are graded (unless clearly marked ...

Part B: Question 5 For the following answer, try using the bullet format. Restatement: Explain each of the following: (a) Water ...

(d) Pure HCl is not an acid. An acid is measured by its concentration of H+(its pH). Pure HCl would not ionize; the sample woul ...

(b) Restatement: The OH bond angle of H 3 O+is less than 109.5°. Lewis structure of H 3 O+: •H 3 O+is pyramidal in geometry d ...

Part B: Question 7 Restatement: Explain how MW measured just above boiling point deviates from its ideal value in terms of the ...

BP is directly proportional to increasing MW-dispersion force (van der Waals force). Greater MW results in greater dispersion f ...

The Final Touches Spend your last week of preparation on a general review of key concepts, test-taking strategies, and techniqu ...

...