Midterm 2 - Practice

Midterm 2 - Practice - 124 Meadows Practice Exam 2 Multiple...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
124 – Meadows Practice Exam 2 Multiple Choice 1. Friedrich Hund was a German physicist who lived to 101 years of age. His work was especially important to spectroscopy and quantum chemistry. Which of the following is most closely associated with him? a. Electrons will occupy orbitals in order to minimize energy of the atom b. Most atoms will react to gain a noble gas-like configuration c. Isoelectronic atoms are always diamagnetic d. When degenerate orbitals are available, electrons occupy singly at first e. No two electrons in an atom can have the same set of quantum numbers 2. Thermodynamic variables are more useful to us in their standard states, meaning according to a certain set of conditions. Which of these is an incorrect condition for a standard state? a. A gas behaving ideally at 1 atm b. A pure substance in it’s most stable form at 25 ° C and 1 atm c. A 1 M aqueous solution d. All of the above e. None of the above 3. There are some general rules to help predict if the entropy of a system has increased. Which of the following is not one of them? a. If the number of moles of gaseous species increases b. If a liquid forms from a solid or gas c. If the temperature of a substance increases d. If the chemical complexity (or size) increases e. If a pure liquid or solution forms from a solid (like dissolving) 4. What does Gibb’s Free Energy describe? a. All things in chemistry are free b. The change in enthalpy of the universe with respect to the surroundings c. The change in enthalpy of the universe with respect to the system d. The change in entropy of the universe with respect to the
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 06/15/2010 for the course CHEM 124 taught by Professor Hascall during the Winter '08 term at Cal Poly.

Page1 / 4

Midterm 2 - Practice - 124 Meadows Practice Exam 2 Multiple...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online