Chemistry Chapter 1 Extra Problems

Chemistry Chapter 1 Extra Problems - Chapter One Extra...

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Chapter One Extra Practice Problems 1. Write each of the following as an “ordinary” number. a. 5.082 x 10 -3 b. 9.740 x 10 4 c. 7.874 x 10 -2 d. 15.07 x 10 -2 2. Write each of the following numbers in standard scientific notation using three significant figures. a. (1/1000) b. 0.000378 x 10 7 c. 1/(10 -4 ) d. 1/(10 5 ) 3. Perform the following calculations using your TI-30 in scientific notation mode. a. (2.33 x 10 -13 )(4.56 x 10 6 ) b. 1.0/(6.83 x 10 -26 ) c. (3.54 x 10 -2 )/(4.81 x 10 6 ) d. (1.17 x 10 4 ) + (6.703 x 10 5 ) e. (2.54 x 10 8 ) + (9.321x 10 -2 ) 4. How many significant figures are in each of the following measurements? a. 87.32 g b. 0.0345 kg c. 1.32 x 10 -3 L d. 100.0 mL e. 4040 mg f. 560 mL 5. If 72.34 mL of a liquid has a mass of 86.3 kg, then what is the density of the liquid in g/mL? 6. The density of a give solid is 87.09 g/mL. What volume, in L, would 398.72 g of the substance occupy? 7.
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This note was uploaded on 03/17/2009 for the course CHEM 1211 taught by Professor Atwood during the Fall '07 term at UGA.

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Chemistry Chapter 1 Extra Problems - Chapter One Extra...

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