It is not a stale rehash of all of the things you have already learned in the past. You have to know how to apply the knowledge. Dynamic Path is neither affiliated with nor endorsed by the College Board or any other official agency. Which of the following statements is supported by these data? Question 10: The freezing point of helium is —270 °C. Follow the links on the main page. These are built into the testing software if you're taking a computer-based test. Dispersion forces have everything to do with physical properties of noble gases.
Correct Answer: Sublimation Explanation: There are six changes in phases of matter solid to liquid, solid to gas, liquid to gas and the reverse processes. The dedicated research staff have years of combined experience in mastering the content and skills necessary to succeed on the toughest exams. Our course is available in a self-paced video format and offers you the quickest way to study for the exam. This guide will help you to know which equations to use for certain topics—it would be a good idea to develop a list of these equations that you just have to know memorize. At the conclusion of each chapter is a quiz testing your knowledge of critical chemistry topics, and you can wrap up the course with the final exam. Repetition is the key to success and using the practice test questions allows you to reinforce the strengths you already have, while improving the weaknesses that you need to overcome. Xenon has significantly higher dispersion forces than helium.
The online flashcards offer fast-paced, repetitive practice of relevant skills and knowledge. I heard about your website from a friend. If you would prefer the physical book and can wait for the product to arrive in the mail, order the printed book. Both versions are the same price and contain the same information. You can also drill down into any answer to read detailed explanations of the concepts required to reach the correct answer.
Start with introductory lessons on the metric system and scientific notation before advancing into such topics as chemical bonding, Kinetic Molecular Theory and mole-to-mole ratios. But for stoichiometry, you need only one equation—grams to moles to moles to grams. Here you will find everything you need to know in order to be successful and pass your test. Five: The guide must motivate the test taker to actually study for the exam. It touches on many of the following topics as well.
This result is counterintuitive—most people think that atoms get larger as the atomic number increases. Regardless of my own preferences, it's a six credit exam so there's six good reasons to take your time and prepare well. Sinai School of Medicine and Columbia University. Correct Answer: Si atomic number 14 Explanation: Why? You can also ask questions of the subject matter experts who lead these lessons. Learn why looking for the key weasel words in the question can help identify the correct answer.
I'll even go so far as to warn you that your high school chemistry knowledge will not get you a passing grade. Savizky was instrumental in arranging a project funded by Science House that involved spectroscopic analysis of chocolate. Correct Answer: 47 Explanation: The other answers are at least plausible as 108 represents the atomic mass of silver and 68 represents the difference between atomic number and atomic mass the number of neutrons. For S, + means more disordered. The questions are designed to provide a measure of understanding of the basic tools of chemistry and their applications to simple chemical systems.
They reveal the exact skills and the information you'll need to perform under pressure during the test. These are found in the free forum, and contain quite a few good resources to prepare for this exam. Brian Just dropping you a note to let you know that I am completely satisfied with the product. Gases are simple—you need the Ideal Gas Law know it! The best preparation includes both knowing what to study and how to study. We've got to teach you the material, to help you study, to test your knowledge, and to get you up to speed on testing logistics. The ability of the conjugate base to stabilize the negative charge that forms with the loss of the H+ ion is the key.
When you are studying a subject like Chemistry, the social bonus may come in the form of help from others or through simply providing the motivation to push ahead. The metrics provided include percentiles, questions answered correctly, and the amount of time you spent on each problem. Another topic that will follow you up the chemistry food chain. If you are studying with others, you may find the social media tools to be a beneficial aspect of the practice tests. Most test takers already have a general knowledge of the material that will be covered on the exam. Like you said this program is worth 100's of dollars.
It's also a required course for most science majors and for engineering students. If the guide is hard to read, the time spent studying will be slow and painful, and the results will be meager. Correct Answer: H2Te Explanation: Periodic trends in the acidity of binary hydride compounds increase as you go from the top to the bottom of a group on the periodic table. Another benefit of Learning Tools is the flashcards builder, a feature that allows you to create a customized deck of flashcards that promotes your specific learning goals. For example, imagine a young lady who fell in love with English Literature in high school. Our guide addresses the difference between merely knowing the material and knowing how to use the material to perform on test day.