By Mina Lebitz
Organized for simple reference and an important perform, insurance of the entire crucial themes awarded as 500 AP-style questions with designated solution explanations
5 Steps to a five: 500 AP Chemistry inquiries to understand through try Day is adapted to fulfill your research needs—whether you have got left it to the final minute to arrange otherwise you were learning for months. you'll reap the benefits of going over the questions written to parallel the subject, layout, and measure of trouble of the questions inside the AP examination, followed by way of solutions with complete explanations.
- 500 AP-style questions and solutions referenced to middle AP materials
- Review causes for correct and incorrect answers
- Additional on-line practice
- Close simulations of the true AP exams
- Updated fabric displays the newest tests
- Online perform exercises
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Extra info for 500 AP Chemistry Questions to Know by Test Day
The electrons in a filled s orbital are more effective at shielding the electrons in the p orbitals of the same n than each other. III. Filled orbitals and subshells are more stable than unfilled orbitals and subshells. (A) I only (B) II only (C) III only (D) I and II only (E) I, II, and III 23. Which of the following chemical species is correctly ordered from smallest to largest radius? (A) P < S < Cl (B) Ne < Ar < Kr (C) F < O < O2– (D) K < K+ < Rb (E) Na+ < Mg2+ < Na 24. Which of the following electron configurations represents an atom in an excited state?
An oxidation that is not a combustion 205. A reaction in which the product forms a gas in acidic solutions 206. When the equation for the reaction of hexane in air is correctly balanced and all coefficients are reduced to their lowest whole-number terms, the coefficient for O2 is: (A) 6 (B) 12 (C) 14 (D) 19 (E) 25 207. When the equation above is balanced and all coefficients reduced to their lowest whole number terms, the coefficient for H2O(l) is: (A) 7 (B) 6 (C) 5 (D) 3 (E) 2 208. When the equation above is balanced and all coefficients reduced to their lowest whole-number terms, the coefficient for H2O(l) is: (A) 1 (B) 2 (C) 3 (D) 4 (E) 6 209.
Using this information and the data in the table above, the standard heat of formation of CO2(g) is closest to: (A) –1,080 kJ mol−1 (B) –540 kJ mol−1 (C) –510 kJ mol−1 (D) –390 kJ mol−1 (E) –250 kJ mol−1 262. What is the standard enthalpy change, , of the reaction represented above? 7 kJ 263. When CO3(s) is added to a beaker of dilute HCl(aq) at 298 K, the beaker gets cold and a gas is produced. Which of the following indicates the correct signs for ΔG, ΔH, and ΔS for the reaction represented above?
500 AP Chemistry Questions to Know by Test Day by Mina Lebitz