Practice Exam 2 Blank 2005

Practice Exam 2 Blank 2005 - Exam 2 1 White Version Feb 25...

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

View Full Document Right Arrow Icon
Exam 2 White Version Feb. 25, 2005 1 1. (15 pts) Indicate true or false for each of the following statements. Circle the answer. a) The energy of electromagnetic radiation increases as its frequency increases. True False b) An excited atom can return to its ground state by absorbing electromagnetic radiation. True False c) An electron can be removed from a piece of metal if the light is sufficiently intense. True False d) An electron in the n = 4 state in the hydrogen atom can go to the n = 2 state by emitting electromagnetic radiation at the appropriate frequency. True False e) The frequency and wavelength of electromagnetic radiation are inversely proportional to each other. True False 2. (5 pts) For which of the following transitions does the light absorbed have the longest wavelength? Circle the answer. a) n = 6 to n = 4 b) n = 4 to n = 6 c) n = 6 to n = 3 d) n = 3 to n = 6 3. (8 pts) It took 155 seconds for 50.0% of a particular substance to decompose. If the initial concentration is 0.060 M and the decomposition reaction follows second-order kinetics, what is the value of the rate constant? 4.
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 08/06/2008 for the course CHEM 1AL taught by Professor Hooker during the Spring '07 term at UCSB.

Page1 / 4

Practice Exam 2 Blank 2005 - Exam 2 1 White Version Feb 25...

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