IPC+Final with Key PDF

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TO VALHALLA IPC NOTES FINAL THINGY YESSSSS...

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5/11/2021

Print Assessment Instructors: Marie Isokpunwu, Devita Joy, Nicholas Zajicek

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CEDAR RIDGE HIGH SCHOOL - IPC: SECTION 1-03

IPC 2020 - 2021 Final Exam QUESTION 1

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Match the state of matter to its description/ definition.

A

solid

B

liquid

C

gas

1

QUESTION 2

state of matter that has a definite volume and a definite shape

2

state of matter that has a definite volume, but no definite shape

3

state of matter that has no definite volume and no definite shape

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In the diagram below, how are the physical properties of C different from A?

A

C flows more easily, is more compressible, and has a definite volume compared to A.

B

C is less dense, is more compressible, and has a definite volume compared to A.

C

C flows more easily, is less compressible, and does not have a definite volume compared to A.

D

C is more dense, is less compressible, and has a definite volume compared to A.

QUESTION 3

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Which of the following best explains the difference in the motion of the atoms in the three phases represented in the

picture?

A

The kinetic energy of the atoms increased from state A to C.

B

Thermal energy is transferred to the substance as it goes from state A to C.

C

The kinetic energy of the atoms decreases from state A to C.

D

The pressure acting on the atoms decreases from state A to C.

QUESTION 4

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The table gives the physical properties of solids, liquids, and gases. What property should be recorded for the compressibility of liquids and the volume of gases?

A

Liquids have high compressibility; Gases have definite volume.

B

Liquids have low compressibility; Gases have no definite volume.

C

Liquids have low compressibility; Gases have definite volume.

D

Liquids have high compressibility; Gases have no definite volume.

QUESTION 5

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An object with a mass of 42 grams occupies 7 cm3 of space. What is the density of the object? A

49 g/ cm3

B

35 g/ cm3

C

6 g/cm3

D

294 g/ cm3

QUESTION 6

D

m/V

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The table shows the physical properties of selected metals.

A cube of an unknown metal has a volume of 2.25 cm3 and a mass of 16.2 g. Based on data in the table, identify the metal.

A

bismuth

B

chromium

C

polonium

D

ruthenium

QUESTION 7

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As the viscosity of a sample of liquid mercury decreases, what change will occur in the liquid? A

The liquid must have a lower volume.

B

The liquid flows faster when poured.

C

The liquid must have a higher density.

D

The liquid flows slower when poured.

QUESTION 8

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A student is investigating how the state of matter for a substance changes as she heats the substance in an open beaker. She records her data in the table.

Which of the following conclusions best explains the data the student collected?

A

The distance between the substance's particles remained the same because B the temperature of the substance remained constant.

The number of particles of the substance increased during the phase change from a solid to a liquid.

C

The number of particles of the substance decreased because the density of the substance decreased.

The distance between the substance's particles increased during the phase change from a solid to a liquid.

D

QUESTION 9

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Butanal and Butanone molecules have a chemical formula of C4H8O. However, butanal and butanone have different chemical and physical properties. Why do these substances have different properties? A

The atoms are arranged differently in the molecules.

B

The substances have different chemical formulas.

QUESTION 10

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Carbon and fluorine have very different chemical properties. Which of the following best describes the difference in the chemical properties of carbon and fluorine?

A

Fluorine is more reactive than carbon because it has a greater atomic mass B than carbon.

Fluorine is more reactive than carbon because it has 7 electrons in its outermost energy level and carbon has 4.

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QUESTION 11

A chemical engineer is designing a product for consumers and needs an element that forms bonds similar to strontiu Sr but has a smaller atomic mass. Which element should the chemical engineer investigate for their product? A

magnesium (Mg)

B

barium (Ba)

QUESTION 12

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Based on their placement on the Periodic Table which answer contains elements that are most similar to each other in their chemical behavior? A

Na, Cl, F

B

O, S, Se

QUESTION 13

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Which of the following is the most reactive element based on its valence electron structure? The atom with fewer valence electrons is more reactive. A

chlorine

B

phosphorous

QUESTION 14

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A student is conducting an investigation in which two substances are combined. The reactants are safe to handle and to dispose of in the sink. After the chemical reaction occurs, the student records his observations of the changes in the physical properties in the data table.

Why shouldn't the student dispose of the results of his investigation in the sink?

A

The data shows only a physical change in the state of matter, so the products B would have been safe to dispose of in the sink.

The data shows that a chemical reaction occurred, and the products may not be safe to dispose of in the sink.

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QUESTION 15

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A chemical change occurs when substances react to form new substances with different chemical properties. What interactions determine how atoms of elements will combine to form compounds? Interactions between the protons in the B nucleus of each atom.

A

Interactions between the valence electrons in the highest energy level.

QUESTION 16

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Match the following terms to the correct definition.

A

group family

B

period

C

valence electron

1

a column in the periodic table that identifies the number of valence electrons 2

a row in the periodic table that identifies the number of energy levels 3

QUESTION 17

the subatomic particle found on the last energy level of the atom

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When a gas stove is used to cook food, methane gas CH4 reacts with oxygen gas O2 producing carbon dioxide CO2 and water H2O . According to the law of conservation of mass, which statement about this reaction is true?

The mass of the methane gas burned must be equal to the mass of carbon dioxide produced.

A

B

The combined mass of methane gas and oxygen burned must be equal to the combined mass of carbon dioxide and water produced.

QUESTION 18

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Balance the following equation to demonstrate the conservation of mass in a chemical reaction. Choose the answer which provides the correct coefficients for each reactant and product.

A

NaOH + BaCl2 -----> NaCl + Ba(OH)2

QUESTION 19

B

2NaOH + BaCl2 ----> 2NaCl + Ba(OH)2

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When a student heats 10 g of sucrose solution in a test tube, a chemical reaction occurs. A black residue is left in the bottom of the tube and water vapor is seen leaving the tube. The mass of the black residue is 4.2 g. According to the law of conservation of mass, what is the mass of the water vapor released by the reaction?

A

The mass of the residue and the water B vapor are both 4.2 g.

The mass of the water vapor is 5.8 g.

QUESTION 20

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Students investigated a heat pack advertised as a hand warmer. When they inserted a thermometer into the pack of iron filings, charcoal, and salt, they found that the temperature increased after mixing. What do these findings indicat about the reaction? A

The reaction is exothermic because it releases heat.

QUESTION 21

B

The reaction is exothermic because it absorbs heat.

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A student investigated the chemical reaction occurring in a glow stick. She bent the glow stick to start the chemical reaction and measured its temperature over time. She observed that the temperature of the glow stick did not change even though the glow stick was producing light. What type of chemical reaction occurred in the glow stick?

A

Exothermic - chemical energy was transformed and released as radiant energy

QUESTION 22

B

Exothermic - radiant energy was transformed and released as chemical energy

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A student collects data using a chemical reaction in order to determine if the chemical reaction is endothermic or exothermic. He records his data in a data table.

What conclusion can the student draw from the data collected in the lab? The reaction is exothermic because the B temperature decreased.

A

The reaction is endothermic because temperature decreased.

QUESTION 23

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Match the term to the correct definition

A

endothermic

B

exothermic

1

heat (energy) is being released from the reaction

QUESTION 24

2

heat (energy) is being absorbed into the reaction

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Mass is conserved when substances undergo a chemical change. A

True

B

False

QUESTION 25

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The total number of atoms of each type of element is the same in the reactants and products of a chemical reaction A

True

B

False

QUESTION 26

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A student is conducting an investigation on the effect of temperature on the solubility of solid potassium sulfate in water. The student slowly added potassium sulfate to 100 g of water and recorded the amount of solute that dissolved before the solution became saturated. This procedure was repeated with water at different temperatures. The results of the investigation are shown in the data table.

What is the best conclusion the student can make from the data?

A

Thesolubilityofpotassiumsulfatedecr easesasthetemperatureofthewater B increases

Thesolubilityofpotassiumsulfateincre asesasthetemperatureofthewater increases.

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QUESTION 27

A group of students are investigating the solubility of 4 different solids at 20 ºC. The students slowly add each substance to 100 grams of water until the solution becomes saturated. The solubility curves of the 4 substances are shown in the graph.

Which of the following substances requires the greatest amount of solute to become saturated at 10ºC? A

KNO3

B

NaCl

QUESTION 28

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Why do many polar substances easily dissolve in water?

A

Thehydrogenandoxygensidesofthe watermoleculecarryoppositechargestB hat pullapartpolarcompounds.

QUESTION 29

Waterishighlyacidicandreactswithot hersubstancestodissolvetheminto smallerparticles.

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During a laboratory experiment, a solid tablet must be dissolved in water. Jamie believes that the tablet will dissolve more quickly if it is broken into smaller pieces. Which of the following best supports Jamie’s prediction? Additionalsurfaceareawillincreasethe B energyofthesolution

A

Additionalsurfaceareawillallowmore contactbetweenthesoluteandthesolv ent

QUESTION 30

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Match the term on the left with the definition on the right.

A

solution

B

solute

C

solvent

D

supersaturated

E

saturated

F

unsaturated

1 a homogeneous mixture that remains constantly and uniformly mixed and that has particles that are so small that they can not be seen with a microscope 2

the substance being dissolved in a solution 4

the substance in which a solvent is dissolved in

solution that contains all of the solute that it can hold at a given temperature 5

6

3

any solution that can dissolve more solute at a particular temperature

a solution that contains more solute than a saturated solution at the same temperature and pressure

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Cedar Ridge High School - Ipc: Section 1-03

Instructors: Marie Isokpunwu, Devita Joy, Nicholas Zajicek

POSSIBLE POINTS: 40

ANSWER KEY

FACTOR: X1

TEST VALUE: 100

IPC 2020 - 2021 Final Exam GRADING INSTRUCTIONS: Grade each question and tally the points to nd the student's total points for the assessment. If the factor does not equal 1, multiply the total points by the factor to obtain the student's nal score.

QUESTION 1: MATCHING

Match the state of matter to its description/ definition.

A

solid

B

liquid

C

gas

Correct answers: 1 2 3

state of matter that has a definite volume and a definite shape state of matter that has a definite volume, but no definite shape state of matter that has no definite volume and no definite shape

3 possible pts. / partial credit

QUESTION 2: MULTIPLE CHOICE

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In the diagram below, how are the physical properties of C different from A?

A

C flows more easily, is more compressible, and has a definite volume compared to A.

B

C is less dense, is more compressible, and has a definite volume compared to A.

C

C flows more easily, is less compressible, and does not have a definite volume compared to A.

D

C is more dense, is less compressible, and has a definite volume compared to A.



1 possible pt. / penalty score: 100%.

QUESTION 3: MULTIPLE CHOICE

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Which of the following best explains the difference in the motion of the atoms in the three phases represented in the

picture?

A

C



The kinetic energy of the atoms increased from state A to C.

B

Thermal energy is transferred to the substance as it goes from state A to C.

The kinetic energy of the atoms decreases from state A to C.

D

The pressure acting on the atoms decreases from state A to C.

1 possible pt. / penalty score: 100%.

QUESTION 4: MULTIPLE CHOICE

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