Part 1: Chemistry Midterm

Significant Figures

100

How many significant figures in 34.6209?

6

200

Solve 45001 - 56.355 - 78.44 using the correct number of significant figures.

44866

300

Solve 34.683 + 58.930 + 68.35112 using the right amount of significant figures.

161.964

400

Solve 98.1 x 0.03 using the right amount of significant figures.

3

500

Solve 6.90 / 2.8952 using the right amount of significant figures.

2.38

Unit Conversions

100

2.3 m=____cm

King Henry Died by Drinking Chocolate Milk

230cm

200

0.32kg=____g

King Henry Died by Drinking Chocolate Milk

320g

300

5.7cm=____mm

King Henry Died by Drinking Chocolate Milk

57mm

400

1.84km=____m

King Henry Died by Drinking Chocolate Milk

1840

500

1.09m=_____cm

King Henry Died by Drinking Chocolate Milk

91cm

Dimensional Analysis

100

How many miles will a person run in a 10 kilometer race?

0.621 mi = 1.00 km

6.21 miles

200

The moon is 250,000 miles away. How many feet is it from earth?

1 mi =5,280 ft

1,320,000,000 ft.

300

A family pool holds 10,000 gallons of water. How many cubic meters is this?

264.2 gal = 1 cubic meter

37.85m³

400

The average American student is in class 330 minutes/day. How many hours/day is this?

1 hr = 60 min

5.5 hours per day

500

How many seconds are there is one year?

1 hr = 60 min

24 hrs = 1 day

365 days = 1 yr

31557600 seconds

Temperature Conversions

100

30°C=___°F

°F=9/5°C+32

86°F

200

45°F=___°C

°C=5/9(°F-32)

7.2°C

300

0°C=___°K

°K=°C+273

273°K

400

273°K=____°C

°C=K-273

0°C

500

212°F=____°K

°C=5/9(F-32)

°K=°C+273

373°K

Scientific Notation and Standard Form

100

Write 4.603 × 10⁷ in standard form.

4603000

200

Write 300,500 in scientific notation.

3.005x10⁵

300

Write 3.5x10⁶ in standard form.

3,500,000

400

Write 3,050 in scientific notation.

3.05x10³

500

Write 3.005x10^-5 in standard form.

.00003005