Chapter 2 Study Guide
Chapter 2 Study Guide Name _____________
Significant Figures
1. Write down the four rules for counting significant figures.
1.________________________________________________________________
2.________________________________________________________________
3.________________________________________________________________
4.________________________________________________________________
2. Summarize the rule for adding and subtracting significant figures.
________________________________________________________________________
3. Summarize the rule for multiplying and dividing significant figures.
________________________________________________________________________
4. 10.214m+9.13m+41.3943m=______________________
5. 2.1g/3.20mL=_________________
6. 6.114g/(2.1mol+6.996mol)=__________________
7. 100.21cm+4.94cm-1.05cm=__________________
Scientific Notation
8. Summarize the rules for writing a number in scientific notation.
________________________________________________________________________________________________________________________________________________________________________________________________________________________
Write the following in ordinary decimal numbers.
9. 7.2x102______________________ 10. 3.001x10-2_______________________
Write the following in scientific notation.
11. 0.00078145___________________ 12. 26755______________________
Conversions (Show All Work)
13. 4.214kg to grams
14. 0.00392cm3 of water to grams
15. 9.216cm to millimeters
16. 4.2km to meters
17. 70.35dm3 to liters
Density (Show All Work)
18. mass=4.21g; volume=4.31mL; density=__________
19. volume=1.21L; density=0.891g/mL; mass=___________
20. mass=225g; density=9.21g/mL; volume=_____________
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