Summer Review Packet

8/14/2019 Summer Review Packet

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BASIC CONCEPTS REVIEW PACKET

CHEMISTRY I L-H AND L-1

1. A graduated cylinder contains 31.5 mL of water. A rock is droppedinto this graduated cylinder and the water level in the graduatedcylinder rises to 43.0 mL. What is the volume of this rock?

2. How is mass different from weight?

3. What piece of equipment is used to measure mass?

4. What piece of equipment is used to measure weight?

5. Define density. What are the metric units for density?

6. A block of wood is 23.5 cm long, 17.6 cm wide, and 10.3 cm high. Itsmass is

3,795.00 g. Calculate the density of the block of wood.

7. The density of aluminum is 2.70 g/cm3. A piece of aluminum has amass of 17.35 g. Calculate its volume. If this piece of aluminum isdropped into a graduated cylinder containing 57.0 mL of water, towhat level will the water in the graduated cylinder rise?

8. A cylinder made out of copper has a diameter of 4.1 cm and a lengthof 12.5 cm. What is the mass of this cylinder? The density of copperis 8.90 g/cm3.

9. Graph the following sets of data. For each graph:

Draw a best fit line. Calculate the slope of the best fit line.

What does the slope of the best fit line that you drew signify or

represent?

a. A student masses a series of b. The following data isobtained

pennies and obtains the from a sample ofboiling water:

following data:

Number ofpennies

Mass ofpennies,grams

1 3.152 6.253 9.874 13.055 15.15

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Boiling

time,minutes

Mass of

water,grams

0 15.002 14.104 13.206 12.008 10.9010 10.10

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10. What are the values for the following metric prefixes?a) deci b) centi c) milli d) deka e) hecto f) kilo

11. a) A book is 31.3 centimeters in length. Convert this measurement tokilometers.

b) A cube of sugar has a mass of 0.35 dekagrams. Convert this massto milligrams.

12. a)A bag of rock salt has a mass of 4,450 grams. Write this mass inscientific notation.b)A sheet of aluminum foil is 0.00075 cm thick. Write this thickness inscientific

notation.

13. a)Define the terms element, mixture, and compound.

b)Classify each of the following as an element, a mixture, or acompound:

1) methyl alcohol 5) gold2) salt water 6) oxygen3) carbon dioxide 7) salt and pepper4) granite 8) water

14. a)Define heterogeneous and homogeneous.b)Classify each substance listed in Question 13 as heterogeneous orhomogeneous.

15. a) Define chemical change andphysical change.b)Classify each of the following as a chemical change or a physicalchange:

1) Dissolving sugar into water.2) Burning gasoline in an automobile engine.3) Melting ice.4) Shredding paper.5) Tarnishing of silverware.6) Evaporating water.7) Passing an electric current through water so that it breaks down

into hydrogen

gas and oxygen gas.8) Producing light by burning a candle.9) Producing light by turning on an incandescent light bulb.10) Baking a cake.

17. What is the difference between an atom and a molecule?

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18. a)What are the three basic subatomic particles that make up anatom?b)Where is each particle located in the atom?c) What is the difference between atomic number and massnumber?d)What is an isotope?

19. The following terms are associated with designing and conducting anexperiment.a)What is meant by hypothesis?b)What is meant by independent variable and dependentvariable?c) What is meant by control? Why is it important to include a control

in an experiment?d)What does replicable mean? Why is it important to write an

experimental procedure that is replicable?e)What does it mean to control variables when designing an

experiment and why is this important?f) When is it appropriate to draw a bar graph from experimental data?g)When is it appropriate to draw a line graph from experimental data?h)What is meant by draw a conclusion?i) What is meant by validity of the conclusions? Why is it important

to consider the validity of conclusions?

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Summer Review Packet