Hw 10/22/09
Correct answers for practice problems on pgs 112 & 113
study for quiz tomorrow and will check answer in class tomorrow for practice problems
The outline will be posted on thursday 10/22/09 and i will print copies to distribute in class as well
Hw for 10/7/2009
Work on lab report that is due on tuesday
Test on thursday
The following are to be answered for homework on september 18th
Using sicnetific notation solve the following and round to the correct number of significant figures
1) (5.60 x10^5) / (1.015 x 10^2)
2) (5.0 x 10^8) (2 x 10^2)
3) (5.002 x 10^8) + (2.6 x 10^1)
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The following are to be answered for homework on september 16th
Indicate the number of significant figures of the following
1) 1.402 =
2)200,005 =
3) 6 Apples
4) .00485 =
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The following are the 4 questions you need to answer for your homework assignment on September 14th
1) What are the 5 general branches of chemistry?
2) If your heart beats at an average rate of 72 times per minute, how many times will your heart beat in an hour? In a day? (the last section of the chapter pertains to this)
3) Explain why air is classified as matter
4) Describe the difference between Organic and Inorganic Chemistry