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Substance Characteristics: Physical and Chemical Properties Quiz

10 Questions

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Substance Characteristics: Physical and Chemical Properties Quiz

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Questions and Answers

What is the density of the water in the container?

0.998g/mL (correct)

0.998g

99.8g/mL

1.002g/mL

At what temperature does water freeze?

32 degrees Fahrenheit

100 degrees Celsius

0 degrees Fahrenheit

0 degrees Celsius (correct)

What is a pure substance?

A mixture of different substances

The simplest form of matter composed of only one kind of atom (correct)

A solid, liquid, or gaseous mixture with varying proportions of its components throughout

A matter that has no distinct properties

Which of the following measurements is both accurate and precise?

0.012345698632 Signup and view all the answers

Which measurement has the correct number of significant figures and is accurate but imprecise?

11 987 Signup and view all the answers

According to the rules of significant figures, which of the following numbers has the correct number of significant figures?

0.0200 Signup and view all the answers

How many atoms are in 16.5 g of Zinc?

3.3 x $10^{23}$ atoms Signup and view all the answers

How many molecules of ammonia are present in 0.334 g of ammonia?

3.9 x $10^{20}$ molecules Signup and view all the answers

If an explosive contains 345.0 g of ammonium nitrate, how many moles of ammonium nitrate are present?

5.2 moles Signup and view all the answers

How many grams of Cu are present in 3.87 mol copper?

62.7 g Signup and view all the answers