AP Chemistry Concepts and Applications

This AP Chemistry virtual lesson, led by Michael Farabaugh, focuses on exam preparation and practice. It covers essential tips for the AP exam, including the use of e-tickets and online submission methods. The lesson includes detailed walkthroughs of three free response questions, exploring topics such as lattice energy, solubility, electron configuration, kinetics, and intermolecular forces. Students are encouraged to practice independently and utilize available resources to enhance their understanding and readiness for the exam.

What is the new testing guide for the 2020 AP Chemistry exam called?

• 2020 AP Exam Handbook

• AP Chemistry Exam Manual

• 2020 AP Testing Guide

• AP Chemistry Study Guide

Which browsers are recommended for taking the AP Chemistry exam?

• Internet Explorer and Opera

• Chrome, Firefox, Safari, or Edge

• Brave and Vivaldi

• Netscape and Mosaic

What are the three ways to submit responses for the online AP Chemistry exam?

• Mail, Courier, and Online Form

• Type and Paste, Save and Attach, Handwrite and Photo

• Voice Recording, Video Submission, and Text Message

• Email, Fax, and Upload

What is the main reason for the similar lattice energies of Fe2O3 and Al2O3?

• Both have the same melting point

• Both have the same color

• Both are soluble in water

• Both have similar charges and sizes of ions

Which ion will be present in higher concentration when Fe(OH)3 and Al(OH)3 are dissolved together?

• OH-

• Fe3+

• H+

• Al3+

What is the expected bond angle for the S-S-S bond in the S8 molecule?

• 90 degrees

• 104-110 degrees

• 120 degrees

• 180 degrees

What is the electron configuration for a sulfur atom in its ground state?

• [Kr] 5s2 4d10

• [Ar] 4s2 3d10

• [Ne] 3s2 3p4

• [He] 2s2 2p6

What is the order of the reaction with respect to S8 in the given kinetics experiment?

• Third order

• Second order

• First order

• Zero order

Why does CH3Br have a higher boiling point than CH3Cl?

• CH3Br has weaker dipole-dipole interactions

• CH3Br has a smaller electron cloud

• CH3Br has stronger London dispersion forces

• CH3Br is more polar

What would happen if a sealed vial containing CH3Cl is removed from the freezer and left at room temperature?

• The pressure inside the vial would decrease

• The liquid would freeze

• The vial would likely explode due to high pressure

• Nothing would happen