Chapter 3 Jeopardy

Scientific Notation

100

What is 95600000 in scientific notation?

9.56x10⁷

200

What is 4.3x10⁷ in regular notation? 

43,000,000

300

What is 0.0000000183 in scientific notation?

1.83x10^-8

400

What is 3.91x10^-4 in regular notation? 

0.000391

500

What is 0.000000000000000345 in scientific notation?

3.45x10^-16

Percent Error

100

The accepted value for a quantity is 10.99g. If the measured value is 8.72g, then what is the percent error?

26%

200

Joshua uses his thermometer and finds the boiling point of ethyl alcohol to be 75o C. He looks in a reference book and finds that the actual boiling point of ethyl alcohol is 80oC. What is his percent error?

6.25%

300

An object has a mass of 35.0 grams. On Anthony’s balance, it weighs 34.85 grams. What is the percent error of his balance?

0.43%

400

The density of water at 4oC is known to be 1.00 g/mL. Kayla experimentally found the density of water to be 1.075 g/mL. What is her percent error?

7.5%

500

The Handbook of Chemistry and Physics lists the density of a certain liquid to be 0.7988 g/mL. Taylor experimentally finds this liquid to have a density of 0.7925 g/mL. The teacher allows up to +/- 0.500% error to make an “A” on the lab. Did Fred make an “A”? Prove your answer.

0.79%

Density

100

A block of aluminum occupies a volume of 15.0mL and a mass of 40.5g. What is the Density? 

D=2.7g/mL

200

What is the mass of the ethyl alcohol exactly fills a 200.0 mL container? The density of the ethyl alcohol is 0.789 g/mL.

m=158g

300

Find the mass of 250.0 mL of benzene. The density od benzene is 0.8765 g/mL.

m=219.1g

400

A flask that weighs 345.8g is filled with 225mL of carbon tetrachloride. The weight of the flask and carbon tetrachloride is found to be 703.55g. From this information, calculate the density of carbon tetrachloride. 

D=1.59g/mL

500

A rectangular block of copper metal weighs 1896g. They dimensions of the block are 8.4cm by 5.5cm by 4.6cm. From this data what is the density of copper. 

D=8.921g/cm³

Dimensional Analysis

100

Convert 750dg to grams.

75g

200

Convert 6.7 seconds to milliseconds. 

6700ms

300

Convert 0.227 nm to centimeters.

2.27x10^-8 cm

400

Convert 5.5kg into pounds.

12.1lbs

500

Convert 1.3x10⁴ km into decimeters.

1.3x10⁸ decimeters

Temperature/Sig Figs

100

What is 450k in Celsius?

177c

200

Convert 6,460,000,000

6.46x10⁹

300

Convert 37 degrees Celsius into degrees Fahrenheit. 

98.6F

400

How many significant figures are in 0.00340?

3

500

Calculate 45.76x0.25 to the appropriate number of significant figures. 

11