# Pages CH217 - Home CH217 Homework

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Homework Assignment 1: General Chemistry Review

1. Get a General Chemistry text that you may use as a reference for the semester.
2. Complete the attached CH141 and CH142 exams (you may consult each other, but must submit your own work)
Ch142 Final 2000.pdf           CH141 Final Exam 2003.pdf

## Homework Assignment 2: Room Energy Audit

Every student will help prepare a Colby student energy audit of electrical appliances used by the student body.  Start by claiming an appliance by adding your name to the table below.  You may fill in the rest of your row at a later date.

Name

Appliance

Energy Consumption (J/year)

Number on Campus

Total Energy

total

Once you have selected the appliance, survey 10 or more rooms to get a statistical sampling of the appliance frequency on campus.  Determine the energy consumed by the appliance over the course of the academic year and compute the total energy consumed by all students using the appliance.  Put your data in the table above and provide the details on your appliance and your calculations below.

Post answers to assignment 1 below:  (list name, appliance, and then details)

Steve Jobs, Apple laptop computer

Details on the calculations for computer energy consumption ....

## Homework Assignment 3:  The Hybrid Car

Using the US DOE Hybrid vehicle cost calculator, compare the lifetime cost of running a hybrid vehicle versus a conventional vehicle of the same size.   Each group of four students should select a different vehicle size class.   Use current fuel prices, a 10 year vehicle lifetime, and an annual millage of 15,000 miles.   Thy hybrid vehicles will save gasoline and, therefore, reduce carbon dioxide emissions.  How much would it cost to purchase carbon credits to offset the increased gasoline consumption of a conventional powered car?  How would purchasing carbon credits change the economics of running a hybrid versus a conventional car?  Please show your work and provide details on your calculations.

Post answers to assignment 2 below:  (list names of group members at the beginning of each question).
Your answer should be in narrative form with links to external data sources and specifics on any calculations.  Each student in the group should contribute to the answer.

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