CHEM
Lect+2+08

# Lect+2+08 - Objectives for Lecture 2 Discussion of Grading...

• Notes
• nmgarof
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Objectives for Lecture 2 Discussion of Grading scale for 230 this term Plain language understanding and examples using the 5 step structured problem solving method introduced Friday. Discuss the importance of dimensional analysis in problem solving A plain language understanding of the The Behavior of Ideal Gases PV = nRT Pressure - dimension analysis, units and the world around us. Boyle’s Law: PV = constant (T constant) Charle’s Law: V/T= constant (P constant) Avagadro’s law: V/n= constant (T, P constant) The Absolute (Kelvin) Temperature Scale Ideal Gas Law: PV = nRT combines all four concepts

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Chem. 230 Exams: All exams will be 90 minutes in duration with remaining exam time updated regularly on the board during the exam. We will start each exam as early as possible. Please wait until you are admitted to the exam room. Course Structure and Grading: Exam 1 Jan 29, Tues, 6 pm, 90 minute exam 100 points Exam 2 Mar 4, Tues, 6 pm, 90 minute exam 100 points Exam 3 April 1, Tues, 6 pm, 90 minute exam 100 points 2 Problem sets (Problem set 1 due Jan 18 by 5:00 in your GSI’s mailbox) 20 points Final Exam Mar 21, Tue, 4 pm, 120 minute exam 200 points TOTAL 520 points
This is a guaranteed minimum letter grade scale base on 520 points. In the event that the class letter grade average falls below the historical mean of 3.1 for 230, the letter grade scale will be adjusted in a linear manner so that the average letter grade is at least equivalent to a 3.1. In the event that the overall class letter grades average falls above the historical mean of 3.1 the grades will be based on the guaranteed grading scale. In this case, the average class grade will be higher than 3.1. Letter Grade Range qualifying for grade A+ 520-465 A 464-405 A- 404-385 B+ 384-355 B 354-325 B- 324-305 C+ 304-275 C 274-215

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THE GREAT 5 STEP problem solving STRATEGY 1) Restate the information in your own language 2) Identify the unknowns 3) Identify the concept(s) which relate 1 and 2 in plain language. Then set up an equation based on your understanding.
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• Spring '08
• SHARP
• pH, Moles, moles methanol

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