Chapter 1: Matter and Measurments Review

At what point is the temperature in C twice that of the temperature in F? a. -40.0C b. -32.4C c. -24.6C d. -16.2C e. -8.88C

-24.6C

The boiling point for liquid oxygen is 90.0 K. What is the boiling point in Fahrenheit? a. -361.4C b. -329.4C c. -297.8C d. -183.0C e. -151.0C

-297.8C

At what point is the temperature in C equal to that of the temperature in F? a. -40.0C b. -32.4C c. -24.6C d. -16.2C e. -8.88C

-40.0C

All of the following are exact conversions EXCEPT a) 1 pound=453.6 g b) 1 m^3=1x10^3 L c) 1 cm^3=1 mL d) 2.54 cm=1 inch e) 1 kg=1x10^3 g

1 pound=453.6 g

Silver chloride (AgCl) is relatively insoluble in water. At 25C, only 1.9 mg of silver chloride will dissolve in 1.0 L of water. How much water is needed to dissolve 250 mg of silver chloride? a. 2.1 10-3 L b. 7.6 × 10-3 L c. 1.3 × 102 L d. 2.5 102 L e. 4.8 102 L

1.3 × 102 L

Atomic dimensions are often reported in Ångstroms (1 Å = 1 × 10-10 m). If the atomic radius of an aluminum atom is 1.43 Ångstroms, what is its radius in millimeters? a. 1.43 × 10-13 mm b. 1.43 × 10-7 mm c. 0.143 mm d. 14.3 mm e. 143 mm

1.43 × 10^-7 mm

All of the following relationships are false EXCEPT a. 1.5 cm3 = 1.5 mL. b. 3.00 m3 < 3.00 L. c. 5.2 m3 = 5.2 x 102 cm3. d. 0.0455 L > 455 mL. e. 22 L = 22 m3.

1.5 cm3 = 1.5 mL.

What is the correct answer to the expression below? 1.472x10^-7+4.32x10^-9 a. 2 × 10^-7 b. 1.5 × 10^-7 c. 1.52 × 10^-7 d. 1.515 × 10^-10 e. 1.5152 x 10^-7

1.515 × 10^-10

A solid with a mass of 19.3 g is added to a graduated cylinder filled with water to the 25.0 mL mark. After the solid sinks to the bottom, the water level is at 35.8 mL. What is the density of the solid? a. 0.539 g/mL b. 0.560 g/mL c. 1.79 g/mL d. 2.19 g/mL e. 8.50 g/mL

1.79 g/mL

A carbon atom has a radius of 77 picometers. Calculate the volume of a carbon atom in cubic meters ( ). a. 1.9 × 10-33 m3 b. 1.9 × 10-30 m3 c. 1.9 × 10-23 m3 d. 1.9 × 10-18 m3 e. 1.9 × 10-6 m3

1.9 × 10^-30 m3

Round the answer to the following problem to the correct number of significant figures. (14.0186x0.00458)+(15.0032x0.99542)=14.99869 a. 15.0 b. 15.00 c. 14.999 d. 14.9987 e. 14.99869

14.999

18. If the temperature of a beaker of water is 65.0F, what is its temperature in Celsius? (Remember: water melts at 0C and 32F; water boils at 100C and 212F) a. 4.11C b. 18.3C c. 36.1C d. 59.4C e. 68.1C

18.3C

At 0C, 35.7 g of sodium chloride (NaCl) will dissolve in 1.00 × 102 mL of water. What mass of sodium chloride will dissolve in 7.75 L of water (at 0C)? a. 4.61 g b. 4.61 x 10^1 g c. 7.75 x 10^1 g d. 2.17 x 10^2 g e. 2.77 x10^3 g

2.77 x 10^3 g

Many experiments are conducted at 298 K. What is this temperature in Celsius? a) 0 C b) 25 C c) 55 C d) 273 C e) 298 C

25 C

21. Water freezes at 0.0C. What temperature does this correspond to in kelvin? a. 173.2 K b. 200.2 K c. 273.2 K d. 300.2 K e. 373.2 K

273.2 K

How many significant figures are in the following volume: 5.00 x 10^4 mL? a. 1 b. 2 c. 3 d. 4 e. 5

3

All of the following relationships are true EXCEPT a. 0.328 g = 328 mg. b. 23 km < 4.5 x 107 mm. c. 0.84 kg > 8.4 x 104 mg. d. 41.3 mL > 8.72 x 10-2 L. e. 1.3 nm = 1.3 x 10-6 mm.

41.3 mL > 8.72 x 10-2 L.

Express 4.220 x 10^2 mL in standard notation. a) 0.0422 mL b) 0.04220 mL c) 422 mL d) 422.0 mL e) 4220 mL

422.0 mL

How many significant figures are in the following mass: 0.00047800 kg? a) 3 b) 5 c) 6 d) 8 e) 9

5

Express 0.005390 in exponential notation. a. 5.390 × 10^-3 b. 5.390 ×10^-1 c. 5.39 × 10^-1 d. 0.5390 × 10^2 e. 5.39 × 10^3

5.390 × 10^-3

At 25C, nitrogen has a density of 0.895 g/L. What mass of nitrogen will occupy a room of the following dimensions: 5.00 m × 5.00 m × 2.50 m? a. 1.43 x 10^-2 g b. 5.59 x 10^1 g c. 6.98 x 10^1 g d. 1.43 x 10^1 g e. 5.59 x 10^4 g

5.59 x 10^4 g

525 mL of water at 25C (density = 0.997 g/mL) is placed in a container. The water is then cooled to form ice at -10C (density = 0.917 g/mL). What is the mass and volume of the ice? a. 523 g and 525 mL b. 523 g and 571 mL c. 527 g and 525 mL d. 527 g and 571 mL e. not enough information given to solve the problem

523 g and 571 mL

A standard sheet of paper is 8.5 × 11 inches. What is the surface area, in cm2, of one side of a sheet of paper? a. 14 cm2 b. 37 cm2 c. 94 cm2 d. 240 cm2 e. 6.0 × 102 cm2

6.0 × 10^2 cm2

Which of the following is the largest mass? a. 8.5 × 107 pg b. 1.5 × 108 ng c. 7.5 × 104 ng d. 6.5 × 102 mg e. 1.5 × 10-1 g

6.5 × 10^2 mg

If the outdoor temperature is 17.0 degrees Celsius, what is the temperature in Fahrenheit? a) -1.40 degrees Fahrenheit b) 30.6 degrees Fahrenheit c) 41.4 degrees Fahrenheit d) 62.6 degrees Fahrenheit e) 74.6 degrees Fahrenheit

62.6 degrees Fahrenheit

How many ounces are contained in a 2.0 L soft drink bottle? (1.00 ounce = 29.6 mL) a. 0.017 oz b. 0.068 oz c. 59 oz d. 68 oz e. 1.4 x 10^2 oz

68 oz

What is the correct answer to the expression below? 2.54cm/inch x (182.3 inch - 179.219 inch) a) 8 cm b) 7.8 cm c) 7.83 cm d) 7.826 cm e) 7.8257 cm

7.8 cm

How many miles are covered in a 15 km race? (1 mile = 5280 feet, 12 inches = 1 foot, 1 inch = 2.54 cm) a. 7.1 mile b. 9.3 mile c. 11 mile d. 15 mile e. 26 mile

9.3 mile

Which of the following statements describes a chemical change? a. Oxygen reacts with aluminum, forming a protective surface coating. b. The density of mercury metal is 13.534 g/cm3. c. Ethyl alcohol evaporates from a beaker. d. The melting point of sodium chloride (table salt) is 801C. e. Both answers a and d are correct.

Oxygen reacts with aluminum, forming a protective surface coating

Which of the following is a heterogeneous mixture? a)antifreeze b)a can of diced tomatoes c)sugar dissovled in water d)table salt (NaCl) dissovled in water e)none of the above

a can of diced tomatoes

The gravity on the surface of Earth is 6.02 times greater than that on the moon. If an object has both a mass and weight of 1.00 kg on earth, on the moon the same object will have a) a mass of 1.00 kg and a weight of 0.166 kg b) a mass of 1.00 kg and a weight of 1.00 kg c) a mass of 1.00 kg and a weight of 6.02 kg d) a mass of 0.166 kg and a weight of 0.166 kg e) a mass of 0.166 kg and a weight of 1.00 kg

a mass of 1.00 kg and a weight of 0.166 kg

Which one of the following statements concerning matter is correct? a) a gas has a fixed volume but not a rigid shape b) a liquid has a fixed volume and a rigid shape c) a liquid takes on both the volume and the shape of its container d) a solid has a fixed volume and a rigid shape e) both b and d are correct

a solid has a fixed volume and a rigid shape

All of the following statements are true EXCEPT a) of the 115 known elements, 91 occur naturally b) an element cannot be broken down into two or more pure substances c) a compound is a substance that contains two or more elements d) a pure compound always contains the same elements in the same mass percentages e) another name for a heterogeneous mixture is a solution

another name for a heterogeneous mixture is a solution

Which term best describes table salt (NaCl) at room temperature? a) gas b) element c) compound d) homogeneous mixture e) heterogeneous mixture

compound

Which is a correct expression for converting Celsius to Fahrenheit? a) degrees Fahrenheit=(5F/9C) tC-32F b) degrees Fahrenheit=(5F/9C) tC+32F c) degrees Fahrenheit=(5F/9C) (tC+32F) d) degrees Fahrenheit=(9F/5C) tC-32F e) degrees Fahrenheit=(9F/5C) tC+32F

degrees Fahrenheit=(9F/5C) tC+32F

43. An extensive property is a. used to identify substances. b. independent of amount. c. related to density. d. dependent upon amount. e. observed throughout a substance.

dependent upon amount.

Vinegar is a homogeneous mixture of two liquids: acetic acid and water. Which method is best for separating the components of vinegar? a) distillation b) filtration c) electrolysis d) gas-liquid chromatography e) light absorption

distillation

Which method is best for separating a mixture of ethyl alcohol and water? a. distillation b. light absorption c. electrolysis d. gas-liquid chromatography e. filtration

distillation

Which term best describes phosphorous at room temperature? a) gas b)element c) compound d)homogeneous mixture e)heterogeneous mixture

element

Which method is best for removing the pulp from orange juice? a) distillation b) light absorption c) electrolysis d) gas-liquid chromatography e) filtration

filtration

Which term best describes rocks, such as granit or marble? a) element b) molecule c) distillation d) homogeneous mixture e) hetergeneous mixture

hetergeneous mixture

An intensive property is a) too small to be observed b) dependent only on mass and temperature c) visible to the human eye d) dependent upon amount e) independent of amount

independent of amount

Which region of the electromagnetic spectrum is commonly used to identify the structure of organic compounds? a. x-ray b. ultraviolet c. visible d. infrared e. none of the above

infrared

All of the following statements are true EXCEPT a) potassium is represented by the symbol K b) zinc is represented by the symbol Zn c) argon is represented by the symbol Ar d) iron is represented by the symbol Fe e) nitrogen is represented by the symbol Ni

nitrogen is represented by the symbol Ni

Where is TiO2, titanium dioxide, commonly found? a. airplanes, to make them lighter b. paper, to make it more opaque c. vitamins, it is an essential nutrient d. fertilizer, plants need it e. ink, it helps it bind to paper

paper, to make it more opaque

An aqueous solution of copper sulfate is blue. This solution absorbs a) blue light b) red light c) only infrared light d) only ultraviolet light e) only light with wavelengths shorter than 400 nm

red light

All of the following statements are false EXCEPT a) copper (Cu) is a homogeneous mixture of carbon (C) and uranium (U) b) table salt is a heterogeneous mixture of sodium metal and chlorine gas c) soda water is a homogeneous mixture of carbon dioxide gas and water d) sugar dissolves completely in water to give a heterogeneous mixture e) water (H20) is a homogeneous mixture containing hydrogen and oxygen

soda water is a homogeneous mixture of carbon dioxide gas and water

All of the following are examples of an intensive property EXCEPT a. solubility. b. boiling point. c. electrical conductivity. d. density. e. both boiling point and density.

solubility

What is a correct method for converting Celsius to kelvin? a) t(K)=9K/5C (tC-273.15C) b) t(K)=5K/9C (tC+273.15C) c) t(K)=1K/1C (tC-273.15C) d) t(K)=1K/1C (tC+273.15C) e) none of the above

t(K)=1K/1C (tC+273.15C)

All of the following are examples of chemical change EXCEPT a) the fermentation of wine b) the tarnishing of silver c) the condensation of steam d) the combustion of butane gas e) the rusting of iron

the condensation of steam

All of the following statements concerting water H2O are false EXEPT: a) the percentage of oxygen in H2O is independent of where the samle is obtained b) H2O is a heterogeneous mixture c) H2O is a homogeneous mixture d) H2O is an element e) H2O has properties similar to those of the element hydrogen and oxygen

the percentage of oxygen in H2O is independent of where the samle is obtained

All of the following are examples of a physical property EXCEPT a. the density of oxygen. b. the boiling point of dry ice. c. the color of copper. d. the electrical conductivity of aluminum. e. the rusting of iron.

the rusting of iron.