Chemistry: Unit 0 Jeopardy

Sig Figs and Percent Error

100

How many sig figs are in 404?

3 sig figs

200

How many sig figs are in 25,791.4?

6 sig figs

300

How many sig figs are in 0.00080?

2 sig figs

400

Sabrina calculates the cost of a book is $50. The actual price was $58. What is the percent error?

13.7%

500

Dennis calculated the density of an unknown object to be 3.67 g/mL. The actual density was 4.29 g/mL. What is the percent error?

14.5%

Scientific Notation and Temperature Conversions

100

Convert 340,000,000 to scientific notation.

3.4 x 10⁸

200

Convert 0.00049 to scientific notation.

4.9 x 10^-4

300

Convert 2.54 x 10⁵ to standard notation.

254,000

400

Convert 1.28 x 10^-2 to standard notation.

0.0128

500

Convert 34^oC to ^oF.

93.2^oF

Metric Conversions

100

Convert 1kg to grams.

1000 grams

200

What is the base unit for volume?

Liters (L)

300

Convert 1000mm to meters.

1 meter

400

Convert 4335 cm into m.

43.35 meters

500

Convert 2,570 mm to km.

0.00257 km

Density

100

What is the formula for density?

density = mass/volume

200

A piece of iron has a mass of 306.0g and a volume of 22.4mL. What is the density?

13.6 g/mL

300

Silver has a density of 10.5g/mL and a volume of 238.1mL. What is the mass?

2500.0g

400

A block of lead has dimensions of 4.50cm by 5.20cm by 6.00cm. The block weighs 1,587g. What is the density?

11.30 g/cm³

500

A 28.5g sample of iron pieces is added to a graduated cylinder containing 45.50mL of water. The water level rises to the 49.10mL mark. What is the density?

7.9 g/mL

Dimensional Analysis

100

What is the conversion factor for inches to cm?

1 inch = 2.54 cm

200

Convert 18.5 inches to cm.

46.9cm

300

Convert 150lbs to kg.

68.04kg

400

Convert 5.2 years to minutes.

2,734,992 minutes

500

Convert 1,378 mL to gallons.

0.3640 gallons