Chemistry Introduction

Properties of Matter

100

Malleability is an example of this type of physical property. Extensive or intensive?

Intensive

200

Chunky Peanut butter is an example of...

Heterogeneous Mixture

300

Fireworks exploding is an example of what type of change?

Chemical

400

Is a bomb exploding an exothermic or endothermic process?

Exothermic

500

Warming of soup is a(n) ________ process while the cooling of soup, when taken off a burner, is a(n) _________ process.

endothermic, exothermic

Math and Sig Figs/Properties of Matter 2

100

What is C0₂ an example of? An element, a compound or a mixture?

Pure compound

200

What does 3.45x.040x10.0= rounded to the correct amount of sig figs?

1.4

300

Height, weight, length, volume and mass are all examples of which type of property?

Extensive

400

What is 6540/.0560/108.04= rounded to the correct amount of sig figs and expressed in scientific notation?

1.08x10³

500

What is 28605-23.056-26.80-248= rounded to the correct amount of significant figures?

28307 or 2.8307x10⁴

Sig Figs and Scientific Notation

100

How many significant figures are in the number 463.000?

6

200

Write 3800000 in scientific notation.

3.8x10⁶

300

132 x 11 = ?

Write your answer in scientific notation

1.5x10³

400

How many sig figs are in .000046800 and write this number in scientific notation.

5 sig figs

4.6800x10^-5

500

(25.23+32)/((21-17.2)*7.53)

2.0

Metric Conversions

100

How many meters are in 2.0 miles? (Hint: 1 mile = 1.61 km)

3.2x10³ m

200

How many µJ are in 6 J?

6x10⁶ µJ

300

Convert 48°F to °C

8.9 °C

400

Convert 38 ps to s in scientific notation.

3.8x10^-11 s

500

Convert 386 K to °C.

113 °C