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QUIZ PROBLEM #2 Instructions: Choose all valid answers to the question below.  Note:  Points will be added for every selection that is correct, but subtracted for every selection that is incorrect. There is no need to write anything on your “work” pages. Question: Which of the following describe CHEMICAL changes?  Choose all that apply.

HONOR STATEMENT I certify that the work submitted for this quiz is my own work.  I have not consulted another human being face to face or via technology, such as e-mail, message, teleconferencing or text, after starting the quiz.  I have not searched the internet for answers. All of my answers, explanations, and written work are constructed of my own accord.  I have set up all numerical equations myself and have calculated all numerical answers by myself, with the use of an approved calculator that is not part of a computer, cell phone or tablet.  I understand that copying verbatim or closely paraphrasing text from a textbook, website, or any other source is a violation of the Academic Integrity Policy of the college and the course rules as documented in the syllabus. I will not share any information about the content of this quiz with others while the quiz is still available to be taken online.  To agree, please type your name in the box below.   If this is left blank, the quiz grade will be a zero. 

A person’s footprint in public records is established when they engage in which of the following activities: 

QUIZ PROBLEM #3 Instructions: Choose the ONE best answer to the question below.  There is no need to write anything on your “work” pages. Question: The mass of a proton…

Given the following reaction: CO (g) + 2 H2(g) CH3OH (g)In an experiment, 0.42 mol of CO and 0.42 mol of H2 were placed in a 1.00-L reaction vessel. At equilibrium, there were 0.29 mol of CO remaining. Keq at the temperature of the experiment is ________.

List the following acids in order of increasing strength: H2SO4 H2SeO4 H2TeO4

The equilibrium-constant expression for the reaction Ti (s) + 2Cl2 (g) TiCl4 (l)is given by

The equilibrium constant for the gas phase reaction N2 (g) + 3H2 (g) 2NH3 (g)is Keq = 4.34 × 10-3 at 300 °C. At equilibrium, __________.

The following data concerning the retail inventory method are taken from the financial records of Welch Company.                                              Cost                          Retail            Beginning inventory     $  196,000                    $ 280,000 Purchases                          896,000                    1,280,000 Freight-in                             24,000                                  — Net markups                                —                          80,000 Net markdowns                           —                          56,000 Sales                                              —                    1,344,000 If the ending inventory is to be valued at approximately the lower of cost or market, the calculation of the cost-to-retail ratio should be based on goods available for sale at (1) cost and (2) retail, respectively of

Lower-of-cost-or-market