bell work mr. ingle. pop quiz for 3/17/11 1. what is the molar mass of nitric acid, hno 3 ? a) 36.0g...

Bell Work

Mr. Ingle

Pop Quiz for 3/17/11

1. What is the molar mass of nitric acid, HNO3?

a) 36.0g b) 83.0g c) 63.0g d) 38.0g

2. How many liters is 456mL?

a) .456L b) 4.56L c) 456000L d) .0456L

3. What is the concentration (in M) of 256g of a nitric acid solution that has the molar mass from problem #1 and the volume from #2?

a) 8.19M b) 9.18M c) 9.81M d) 8.91M

Bell Work for 2/24

1. What is the molar mass of sulfuric acid, H2SO4?

a) 98.1g b) 89.1g c) 18.9g d) 19.8g

2NaOH + H2SO4 Na2SO4 + 2H2O

2. Using the balanced chemical equation above, how many grams of water can be produced from reacting 326.3g of sulfuric acid?

a) 179.1g b) 197.1g c) 119.7g d) 117.9g

Bell Work for 2/22

1. What is the molar mass of sodium hydroxide, NaOH?

a) 39.1g b) 39.0g c) 40.0g d) 93.0g

2NaOH + H2SO4 Na2SO4 + 2H2O

2. Using the balanced chemical equation above, how many grams of sodium sulfate can be produced from reacting 326.3g of sodium hydroxide?

a) 579.6g b) 759.6g c) 597.6g d) 576.9g

Bell Work for 2/17(must show work)

1. What coefficients balance the following chemical equation? BaCl2 + Al2O3 BaO + AlCl3

a) 3,1,2,3 b) 4,12,10,8 c) 1,3,2,3 d) 3,1,3,22. What is the molar mass of barium chloride,

BaCl2?a) 208.3g b) 280.3g c) 203.8g d) 244.3g3. How many moles are in 2536.4 g of barium

chloride, BaCl2?a) 12.0 moles b) 21.2 moles c) 12.2 moles d) 528332.1 moles

Bell Work for 2/16(to be turned in)

1. What coefficients balance the following chemical equation? Fe + O2 -> Fe2O3

a) 4,3,2 b) 4,8,6 c) 4,2,3 d) 2,3,22. What is the molar mass of strontium

fluoride, SrF2?a) 152.6g b) 521.6g c) 125.6g d) 126.5g3. How many grams are in 3.51 x 1024

molecules of carbon disulfide, CS2?a) 5.83g b) 444.3g c) 443.4g d) 434.3g

Bell Work for 2/15(to be turned in)

1. What coefficients balance the following chemical equation? C5H12 + O2 -> CO2 + H2O

a) 2,8,5,6 b) 1,8,5,6 c) 1,8,4,6 d) 8,1,5,62. What is the molar mass of cadmium fluoride,

CdF2?a) 154.0g b) 510.4g c) 105.4g d) 150.4g3. How many moles are in 2.29 x 1025 molecules

of carbon tetrachloride, CCl4?a) 38.0 moles b) 30.8 moles c) 83.0 moles d) 5858 moles

Bell Work for 2/14(Turn in for credit)

1. What is the molar mass of calcium bromide, CaBr2?

a) 200.0g b) 199.9g c) 919.9g d) 190.9g2. How many grams are in 6.75 moles of sulfur

dioxide, SO2?a) 433g b) 343g c) 334g d) 0.105g3. How many moles are in 250 grams of

potassium iodide, KI?a) 1.15 moles b) 5.11 molesc) 41500 moles d) 1.51 moles

Pop Quiz for 2/11 (no partial credit)

1. What coefficients balance the following chemical equation?

Fe + H2O Fe3O4 + H2

a) 3,1,4,4 b) 3,4,1,4 c) 3,4,4,1 d) 6,1,4,4

2. What is the molar mass of Fe3O4?

a) 234.1g b) 321.4g c) 231.4g d) 241.3g

3. How many grams are in 2.25 moles of Fe3O4?

a) 521g b) 512g c) 103g d) 307g

Bell Work for 2/10

1. What coefficients balance the following chemical equation? C4H8 + O2 -> CO2 + H2O

a) 2,6,5,4 b) 4,12,10,8 c) 1,6,4,4 d) 6,1,4,4

2. What is the molar mass of sulfur trioxide, SO3?

a) 80.1g b) 82.1g c) 88.3g d) 144.3g

3. How many moles are in 22.9 g of potassium chloride, KCl?

a) 0.370 moles b) 0.703 moles

c) 1708 moles d) 0.307 moles

Bell Work for 2/7

1. How many grams are in 7.5 moles of lithium fluoride, LiF?

a) 149gb) 286g c) 419g d) 194g2. How many moles are in 69.3 grams of sulfur

dioxide, SO2?a) 1.05 moles b) 1.08 molesc) 1.80 molesd) 5.00 moles3. How many grams are in 22 moles of

potassium chloride, KCl?a) 1607g b) 1670g c) 1641g d) 1706g

Bell Work for 2/2

1. How many grams are in 7.5 moles of potassium carbonate, K2CO3?

a) 1306g b) 1037g c) 138.2g d) 63.2g2. How many formula units are in 296.4 grams of

aluminum sulfate, Al2(SO4)3?a) 2.35 x 1023 f.u. b) 4.56 x 1024 f.u.c) 9.63 x 1022 f.u. d) 5.21 x 1023 f.u.3. How many moles are in 4.5 x 1024 molecules of

carbon dioxide, CO2?a) 7.06 moles b) 7.60 molesc) 7.48 moles d) 7.84 moles

Bell Work for 2/1

1. How many grams are in 5.4 moles of sodium fluoride, NaF?

a) 272gb) 826g c) 227g d) 722g2. How many moles are in 3.01 x 1025molecules

of sulfur dioxide, SO2?a) 15.0 moles b) 4949gc) 51.0 molesd) 50.0 moles3. How many grams are in 2.2 x 1022 molecules

of potassium iodide, KI?a) 6.07g b) 6.70g c) 6.90g d) 7.06g

Bell Work for 1/31

1. How many grams are in 5.7 moles of sodium bromide, NaBr?

a) 587gb) 578g c) 0.0534g d) 758g2. How many moles are in 1.2 x 1025 molecules

of silicon dioxide, SiO2?a) 13.9 moles b) 1198gc) 19.3 molesd) 19.9 moles3. How many grams are in 9.9 x 1021 molecules

of potassium sulfate, K2S?a) 36.3g b) 1.81g c) 8.11g d) 1.18g

Bell Work for 1/28

1. How many grams are in 6.9 moles of sodium bromide, NaBr?

a) 714gb) 701g c) 0.633g d) 710g2. How many moles are in 8.3 x 1024 molecules

of silicon dioxide, SiO2?a) 828.6g b) 882.6gc) 13.8 molesd) 18.3 moles3. How many grams are in 3.3 x 1022 molecules

of potassium sulfate, K2SO4?a) 5.95g b) 9.55g c) 9.90g d) 9.06g

Bell Work for 1/27

1. How many grams are in 4.5 moles of sodium fluoride, NaF?

a) 814g b) 191g c) 189g d) 891g2. How many moles are in 3.4 x 1025molecules

of silicon dioxide, SiO2?a) 3349g b) 3394gc) 65.5 moles d) 56.5 moles3. How many grams are in 3.3 x 1022 molecules

of potassium sulfide, K2S?a) 6.05g b) 6.50g c) 3.90g d) 5.06g

Bell Work for 1/21

1. How many moles are in 49.6g of hydrochloric acid (HCl)?

a) 1.63 moles b) 1.36 moles

c) 1.53 moles d) 0.736 moles

2. How many grams are in 7.2 moles of propane (C3H8)?

a) 361.8 g b) 6.11 g

c) 0.164 g d) 316.8 g

Bell Work for 1/20

1. Fractions are set up to be used as ________ _________ in order to change units?

a) molar mass b) atomic mass

c) Atomic number d) conversion factors

2. What is the molar mass for sucrose (table sugar- C12H22O11)?

a) 342g b) 324g c) 176g d) 423g

Bell Work for 1/19

1. What is the molar mass for dinitrogen pentasulfide?

a) 158.5g b) 185.8g c) 188.5g d) 201.6g

2. What is the particle name for an ionic compound?a) Elementb) Formula unitc) Moled) Molecule3. What is the correct formula for potassium

carbonate (K2CO3)?

a) 120.4g b)140.2g c) 142.0g d) 410.2g

Bell Work for 1/5

1. What is the correct formula for dinitrogen pentasulfide?

a) N2S5 b) N3S4 c) N2S4 d) N3Cl42. What is the correct name for P3O?a) Triphosphorus monoxideb) Diphosphorus diiodidec) Diphosphorus dioxided) Diphosphorus pentaoxide3. What is the correct formula for potassium

carbonate?

a) K(CO3)2 b) K2CO3 c) K2(CO3)3 d) KCO3

Bell Work for 12/13

1. Which of the following is the major problem with using nuclear power to produce electricity?

a) too little energy is produced per gram of radioactive materialb) greenhouse gases, like carbon dioxide, are harmful byproductsc) too much coal needs to be burned to operate themd) radioactive waste that is generated is difficult and dangerous to dispose

of2. Half-life is defined as the time required for half of

________________________________.a) a radioisotope’s nuclei to undergo radioactive decayb) two unstable nuclei to join into one larger, more stable nucleusc) one large nucleus to split into two small nucleid) the atoms of a chemical reaction to rearrange themselves into new

products3. Radon-222 has a half-life of 4 days. A sample contains 100 g of

Radon-222. How much will remain after 8 days?a) 12.5g b) 25.0g c) 50.0g d) 75.0 g

Bell Work for 12/7

1. Annie places a piece of zinc with a mass of 71.4 g into a graduated cylinder containing 20.0 ml of water. The water rises to 30.0 ml in volume. What is zinc’s density?

a) 0.140 g/ml b) 1.43 g/ml c) 7.19 g/ml d) 7.14 g/ml

2. A 7.5g piece of metal is placed in a graduated cylinder that contains water. It is found that the water is displaced 1.5 ml. What is the density of the metal?


Bell Work for 12/6

1. What is the correct formula for trinitrogen tetrasulfide?

a) N2S5 b) N3S4 c) N2S4 d) N3Cl42. What is the correct name for P2O5?a) Triphosphorus monoxideb) Diphosphorus diiodidec) Diphosphorus dioxided) Diphosphorus pentaoxide3. What is the correct formula for magnesium

hydroxide?

a) MgOH2 b) Mg2OH c) MgOH d) Mg(OH)2

Bell Work for 12/3

1. A bond in which electrons are shared between atoms is known as a ______ bond.

a) covalent b) polarized c) ionic d) metallic

2. The compound NO2 has which kind of bonding?a) ionic b) covalent c) metallic d) polarized3. Which of the following is the correct chemical

formula for the named compound?

a) Potassium nitrate K2NO3

b) Lithium sulfide LiS

c) Calcium phosphate Ca3(PO4)2

d) Calcium carbonate Ca(CO3)2

Bell Work for 12/2

1. The correct name for the compound Ca3N2 would be _________________.

a) calcium nitrite b) nitrocalcium

c) calcium nitride d) calcium nitrate

2. What is the correct formula for aluminum phosphite?

a) Al3(PO3)2 b) Al2PO3 c) Al3PO3 d) AlPO3

3. What is the correct name for the compound SCl2?

a) sulfur chloride b) sulfur dichloride

c) disulfur monochloride d) monosulfur dichloride

Bell Work for 12/1

1. What is the correct formula for dioxygen tetrachloride?

a) O2Cl5 b) OCl4 c) O3Cl4 d) O2Cl42. What is the correct name for N6O2?a) Heptanitrogen monoxideb) Hexanitrogen diiodidec) Hexanitrogen dioxided) Dinitrogen hexaoxide3. What is the correct formula for magnesium

chloride?

a) MgCl2 b) Mg2Cl c) MgCl d) Mg3Cl2

Bell Work for 11/30

1. What is the correct formula for dinitrogen pentoxide?

a) N2O5 b) N5O2 c) N6O2 d) N2O6

2. What is the correct formula for aluminum phosphate?

a) Al2PO4 b) AlPO4 c) Al3(PO4)3 d) ArPO4

3. Which of the following substances is a non-metal?

a) silicon b) magnesium c) oxygen d) aluminum

Bell Work for 11/18

1. What is the formula for magnesium phosphate?

a) MgPO4 b) Mg3(PO4)2

c) Mg2PO4 d) Mg(PO4)2

2. Ba(NO3)2 is the correct formula for which of the following ionic compounds?

a) Beryllium nitrite b) Barium nitridec) Barium nitrite d) Barium nitrate3. Ionic bonding involves the ______________ of

electrons in order to create a bond.a) transferring b) poolingc) sharing d) none of the above

Bell Work for 11/16

1. The correct name for a compound Ca2N3 would be _________________.

a) calcium nitrite b) nitrocalcium

c) calcium nitride d) calcium nitrate

2. In bonding, the goal is to get to ____ electrons, except for hydrogen, helium, lithium, beryllium, and aluminum.

a) 8 b) 18 c) 2 d) 32

Bell Work for 11/9

1. What is the charge for an ion with 35 protons, 45 neutrons, and 36 electrons?

a. +3 b. +1 c. -1 d. 0

2. What happens to elements in Group 2A/2 when they become stable?

a. they lose 1 electrons and become a +1 ion

b. they lose 2 electrons and become a +2 ion

c. they gain 2 electrons and become a +2 ion

d. they are already stable

Bell Work for 11/4

1. Which group on the periodic table has a full outer energy level and its elements have no or low reactivity?

a. 2A b. 8A c. 7A d. 4A2. Which element has the electron configuration

1s22s22p1?a. C b. Al c. Be d. B3. Which of the following electron configurations

represents an element from group 5A?a. 1s22s22p3 b. 1s22s22p4

c. 1s22s22p5 d. 1s22s22p6

Bell Work for 11/3

1. How many valence electrons does group 4B have?

a. 2 b. 8 c. 3 d. 42. Which element has the electron

configuration 1s22s22p63s23p4?a. Si b. P) c. S d. Cl3. Which of the following electron

configurations represents stability?a. 1s22s22p3 b. 1s22s22p4

c. 1s22s22p5 d. 1s22s22p6

Bell Work for 11/1

1. How many valence electrons does group 4A have?

a. 2 b. 8 c. 3 d. 4

2. How many valence electrons does Helium (He) have?

a. 2 b. 8 c. 3 d. 4

3. What is the electron configuration for O?

a. 1s22s22p3 b. 1s22s22p4

c. 1s22s22p5 d. 1s22s22p6

Bell Work for 10/19

1. What is the new isotope when Nb-97 undergoes alpha decay?

a. Tc-101 b. Y-89 c. Y-93 d. Nb-932. How much of a 250g sample of Pd-100

(half-life 3.6 days) remains after 7.2 days?

a. 62.5g b. 125g c. 31.25g d. 16.125g3. How much Th-227 did you start with if

7.5g of it remains after 3 half-lives?a. 15.0g b. 22.5g c. 30.0g d. 60.0g

Bell Work for 10/19

1. What is the new isotope when Ta-183 undergoes beta decay?

a. Hf-183 b. W-184 c. Re-181 d. W-1832. What is the new isotope when Gd-160 undergoes

alpha decay?a. Gd-156b. Sm-156 c. Dy-164 d. Tb-1643. Half-life is defined as the time required for half of

_______.a. a radioisotope’s nuclei to undergo radioactive decayb. two unstable nuclei to join into one larger, more stable

nucleusc. one large nucleus to split into two small nucleid. the atoms of a chemical reaction to rearrange themselves

into new products

Bell Work for 10/18

1. Gamma emission is combined with what type of decay?

a. beta b. tooth c. alpha d. plant

2. What is the new isotope when La-141 undergoes beta decay?

a. Ce-141 b. Ba-137 c. Ba-141 d. Ce-140

3. What is the new element when Pa-235 undergoes alpha decay?

a. Np-239 b. Ac-227 c. Th-231 d. Ac-231

Bell Work for 10/15

1. Which type of nuclear radiation can pass through pieces of paper and wood but be slowed down by a block of lead?

a) alpha b) delta c) gamma d) beta2. Which type of radiation is represented by a helium

nucleus and can be stopped by a piece of paper or light clothing?

a) alpha b) delta c) gamma d) beta3. Which of the following is the major problem with using

nuclear power to produce electricity?a) too little energy is produced per gram of radioactive materialb) greenhouse gases, like carbon dioxide, are harmful byproductsc) too much coal needs to be burned to operate themd) radioactive waste that is generated is difficult and dangerous to

dispose of

Bell Work for 10/7

1. Which is not located in the nucleus?a. proton b. electronc. positive charge d. neutron2. The identity of an atom is based on its

__________.a. neutrons b. electronsc. charge d. protons3. What is the atomic number for nitrogen-

13?a. 13 b. 6 c. 7 d. 0

Bell Work for 10/6

1. An atom has 19 protons and 20 neutrons. What is its mass number?

a. 19 b. 20 c. 24 d. 392. An neutral atom of an element, with atomic

number 50 and mass number of 120, contains ____ protons, _______ electrons, and _____ neutrons.

a. 50, 50, 70 b. 70, 50, 50c. 120, 50, 70 d. 70, 70, 503. The number of protons in an atom is equal to the

_____________.a. neutrons b. isotopesc. mass number d. atomic number

Bell Work for 10/5

1. What is the smallest particle of an element that retains its properties?

a. compound b. atom

c. ion d. mixture

2. The mass number (or atomic mass) of an element is equal to _________________.

a. number of electrons plus number of protons

b. number of neutrons plus number of electrons

c. number of neutrons plus number of protons

d. number of protons minus the number of electrons

Bell Work for 9/28

1. If 45.0 grams of mercury oxide is broken down during heating, how much mercury is formed if 13.7 grams of oxygen is also formed?

a) 38.9 g b) 58.7 g c) 31.3 g d) 33.1 g

2. What is the % by mass of the oxygen in question # 1?

a) 30.4% b) 23.3% c) 69.6% d) 43.8%

3. Which is a compound?

a) hydrogen b) sugar and salt

c) kool aid d) carbon monoxide

Bell Work for 9/27

1. Which of the following substances is best described as a homogeneous mixture?

a) copper b) salt water

c) carbon dioxide d) pepperoni pizza

2. Which of the following lists the states/phases of matter from highest to lowest kinetic energy?

a) solid, liquid, gas b) liquid, gas, solid

c) gas, liquid, solid d) solid, gas, liquid

Bell Work for 9/24

1. Which material is a pure substance?a. air b. tea c. brass d.

diamond2. All are physical changes EXCEPT:a. bending b. meltingc. rusting d. boiling3. A physical change occurs when a ___________.a. peach spoilsb. copper bowl tarnishesc. glue gun melts a glue stickd. piece of toast burns

Bell Work for 9/23

1. Separating a mixture by the differences in their particle size as they pass through a porous barrier is the basis of what physical separation method?

a. chromatography b. distillationc. crystallization d. filtration2. The law of conservation of mass states that

_______________________________________.a. Mass is neither created nor destroyed in any processb. Mass can disappear during a physical changec. Mass is created or destroyed during a chemical reactiond. Mass is rare, and needs to be conserved

Bell Work for 9/22

1. Which of the following is a solution?a. sand water b. waterc. Kool-aid d. rice and marbles2. Which of the following is a physical property?a. produces gas b. produces odor c. ability to burn d. melts at 1ºC 3. Separating two liquids by differences in their

boiling points is the basis of what physical separation method?

a. chromatography b. distillationc. crystallization d. filtration

Bell Work for 9/21

1. Which of the following are the same?a) element and suspensionb) pure substance and mixturec) homogeneous mixture and solutiond) heterogeneous mixture and compound2. Evidence that a chemical change has occurred is

which of the following?a) melting, freezing, or boilingb) gas production, solid formation, or heat changec) dissolving of a solidd) expansion or contraction of a solid

Bell Work for 9/20

1. Changing state from a solid directly to a gas is called __________.

a. sublimation b. freezing c. condensation d. deposition

2. Wafting is used to properly __________ a chemical.

a. taste b. see c. feel d. smell3. Which of the following is a chemical change?a. A diamond is one of the hardest substances b. A bicycle rusting if it is left out in the rain. c. Gasoline will burn in your automobile. d. A copper being pulled into a wire

Bell Work for 9/16

1. What happens to the temperature of a substance when its state of matter is being changed from a liquid to a gas?

a) increasing b) disappearingc) decreasing d) staying the same2. What happens to the heat energy of a

substance when its state of matter is being changed from a solid to a liquid?

a) increasing b) disappearingc) decreasing d) staying the same

Bell Work for 9/15

1. The state of matter that has substances with variable shapes but definite volumes is the __________.

a. solid b. liquid c. gas d. plasma2. Matter is any substance that has mass and

occupies ____________.a. time b. distance c. space d. gravity3. Which of the following is a physical property?a. A diamond is one of the hardest substances b. A bicycle will rust if it is left out in the rain. c. Gasoline will burn in your automobile. d. A copper being pulled into a wire

Bell Work for 9/10

1. Which of the following is an example of a physical change?

a) Apples spoiling after time in the sun

b) Bread molding after becoming wet

c) Copper being used to conduct electricity

d) Zinc reacting with hydrochloric acid

2. A student wants to light a laboratory burner. The first thing to do is _______________.

A. strike the match(striker)

B. turn on the gas supply to the burner

C. inspect the tubing supplying gas to the burner

D. adjust the amount of gas coming into the burner

Bell Work for 9/9

1. Which phase/state of matter contains particles which vibrate, are tightly packed, and are highly ordered?

a) gas b) liquid c) solid d) plasma

2. Choose the answer that lists only intensive physical properties

a) Color, mass, density, and combustibility

b) Color, smell, density, and freezing point

c) Mass, weight, volume, and length

d) Mass, weight, volume, and density

3. Which of the following does NOT indicate that a chemical change has occurred:

a) shape change b) a gas is produced

c) the vessel becomes hot d) a color change

Bell Work for 8/31

1. Which metric prefix means 10-3, 1/1000 or a thousandth?

a) kilo b) micro c) centi d) milli

2. The metric system is a measurement system that bases its units on powers of ________.

a) 100 b) 3.14 c) 10 d) 1000

3. 1200 mg = ____________ g a) 0.12 b)0.012 c)1.2 d)12

Bell Work for 8/27

1. Determine the density of a cork that has a mass of 5.0 g. After dropping the cork into the graduated cylinder, the water level moved up from 20 ml to 35 ml.


2. If 96.5 g of aluminum has a volume of 35.0 cm3, what is the density of aluminum?

a) 3.19 g/cm3 b) 2.36 g/cm3c) 2.76 g/cm3 d) 19.3 g/cm3

Bell Work for 8/26

1. Use the following table to answer this question . Sample Mass(g) Volume(ml) W 40.0 10.0 X 24.0 8.0 Y 33.0 11.0 Z 60.0 12.0

Which 2 samples have the same density? a) W & X b) X & Y c) Y & Z d) W & Z

2. How do you correctly round 20,562 cm to two significant digits (figures)?

a) 20 cm b) 21 cm c) 21,000 cm d) 20,000 cm

Bell Work for 8/25

1. Marcus places a piece of zinc with a mass of 35.7 g into a graduated cylinder containing 20.0 ml of water. The water rises to 25.0 ml in volume. What is zinc’s density?


2. A 2.5g piece of metal is placed in a graduated cylinder that contains water. It is found that the water is displaced 0.5 ml. What is the density of the metal?


Bell Work for 8/24

1. The number 0.0000799 is equal to _____________.

a) 7.99 x 106 b) 7.99 x 10-6

c) 7.99 x 105 d) 7.99 x 10-5

2. 7.493 x 102 g is equal to _________.

a) 749.3 g b) 7493 g c) 7.493 g d) 74.93 g

Bell Work for 8/19

1. How many liters is 35.9 milliliters? a) 0.0359 b) 0.359 c) 0.00359 d) 3.59

2. 0.03785 g would be equal to _________.

a) 3785 mg b) 378.5 mg c) 37.85 mg d) 3.785 mg

Bell Work for 8/13

1. A number of people become ill after eating dinner in a restaurant. Which of the following statements is a hypothesis? a. Symptoms include nausea and dizzinessb. The cooks felt really bad about it.c. People got sick whether the oysters were raw or cooked.d. Bacteria in the oysters may have caused the illness.e. Everyone who ate oysters got sick.

2. A hypothesis is a. a tentative explanation for a natural phenomenonb. a description of a pattern or relationship in experimental datac. a theory that has been provedd. obeyed under any circumstances.

Bell Work for 8/10

1. The variable that is expected to influence another variable during an experiment is called

a. the explained variable. b. the independent variable. c. the response variable. d. the responsible variable.

2. Scientists usually design experiments a. with a good idea of the expected

experimental results. b. based on wild guesses. c. in order to develop new laboratory tools. d. All of the above

Bell Work for 8/17

1. Students working in a lab were investigating the effect of temperature on the volume of a solid. As they increased the temperature, they observed that the volume of the solid also increased. In this experiment, which is the independent variable?

a) volume of solid b) temperature c) the solid d) the lab

2. Which piece of lab equipment would be best to measure the volume of a liquid?

a) ruler b) beaker c) graduated cylinder d) Erlenmeyer flask

bell work mr. ingle. pop quiz for 3/17/11 1. what is the molar mass of nitric acid, hno 3 ? a) 36.0g...

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