Unit 1 Review
Name:____________________ Period:_____
Write each of the following numbers in scientific notation.
1. 3405000000
3. 14
2. 0.00025
4. 950
Write each of the following numbers in standard form.
5. 8.2 x 105
7. 1.8 x 101
6. 4.7 x 10-3
8. 6.02 x 1023
Give the number of sig figs in each measurement.
9. 324 m
12. 0.054 cm
10. 150 kg
13. 1300.0 mL
11. 8032 s
14. 2001 C
Perform the following calculations and report the answer using the proper number of sig figs.
15. 43.2 – (268.8/67.2)
17. 62.4 g + 79.27 g + 125.986 g
16. 13 cm x 120 cm x 23.8 cm
18. 120/(2.512 + 12.530)
Perform the following conversions. Use significant figures in your answers.
19. 25.8 kg into pounds
21. 84 km into miles
20. 49987 minutes into years
22. 32 miles/gallon into kilometers/liter
Perform the following temperature conversions.
23. 100C into kelvins
25. 398 K into Celsius
24. 450C into kelvins
26. 0 K into Celsius
Find the percent error for each of the following measurements.
27. A student measures the length of an object to be 15.7 cm. The actual length of the object was 16.2 cm.
28. A group of students performed a lab and got 1.35 g of product. The actual amount that should have
been obtained was 1.65 g.
Perform the following calculations involving density.
29. A block of metal has a mass of 1.45 kg and displaces 542 mL of water when immersed. Calculate the
density of the metal in g/mL.
30. Calculate the volume of 50.0 g of silver if the density of silver is 10.5 g/cm3.
Graph the data listed below. Put volume on the y-axis and temperature on the x-axis. Be sure to include a title
and to label both the x- and y-axis.
Temperature (C)
-15
0
21
48
80
Volume (mL)
4.4
4.6
5.0
5.4
5.9