Discussion Topic 1: Problem Solving

 

For you to succeed in even a general education science course like this one, it will likely require all of us to work together. Even the greatest scientific minds of the past and present didn't and don't work alone. So, let's start that process here and now. 

 

For this topic, you will select two problems: a Chapter 11 Cumulative Problem and another problem from Chapter 11: Problems 23-72. Select the problems from the chapter of the text for this week's Lesson and solve and discuss them with the rest of us. 

 

You need to:

*state the problem numbers

*show work to find solution (embed images or use the f_x button on the Rich Text Editor)

*explain in the text how you approached and worked through the Problems

 

If you cannot solve the problem at first, no worries, your classmates and myself will give you help you along and you can edit your problem until it is due. If you are having trouble, show your work and explain where you are getting stuck. 

 

Ideally, you will choose a Problems that you had a hard time solving until something clicked (which you would then explain--what you figured out that you did wrong, etc.). Either way, you should lead a discussion about the problem. This will help everyone go through the thought process of these problems, see different ways that students set them up, compare approaches, maybe learn new strategies and hints, recognize mistakes, etc. 

 

Remember, you are not getting graded on whether you solve the problems correctly, but rather the attempt you make and the discussion you have with us related to it. So it will likely be more beneficial to you to select challenging problems with which you need help as opposed to easy ones that you can already solve.

 

Instructions: Your initial post over the material outlined above for Topic 1 should be at least 200 words(these must be words that are typed text within the textbox of the Rich Text Editor, thus words on any attached documents will not count towards the total). 

 

 

 

1)How many moles of gas must be forced into a 3.5-L ball to give it a gauge pressure of 9.4 psi at 25 °C? The gauge pressure is relative to atmospheric pressure. Assume that atmospheric pressure is 14.7 psi so that the total pressure in the ball is 24.1 psi.

 (Tro 403)

, Nivaldo J. Introductory Chemistry,  5th Edition. Pearson Learning Solutions, 2014-01-01. VitalBook file.

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