Final Exam Review

The mass of one mole of NaCl is 10 28 g 39 g 58 g 76 g 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

When graphing data, which axis is the dependent variable? 10 It does not matter X- axis Y-axis 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Because it dissolves so many substances, ___ is called the universal solvent. 10 Alcohol Acetone Mineral spirits Water 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

In any chemical reaction, the mass of the products is ___ the mass of the reactants. 10 Greater than Less than Equal to None of the above 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Balance the following equation: ___K + ___O2  __ K2O 10 4,1,2 4,2,1 1,1,1 2,4,1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

How many moles of pens to you have if you have 3.01 x 1023 pens? 0.5 1 2 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Which gas composes the greater percentage of the atmosphere? 10 Helium Hydrogen Nitrogen Oxygen 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The air pressure at sea level is 14.7 lb/in2 or ___. 10 1 atm 50 torr 1000 mmHg 2000 mmHg 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The instrument used to measure temperature is the ___. 10 Balance Thermometer Barometer Graduated cylinder 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

In the metric system, temperature is measured on the ___ scale. 10 Celsius Fahrenheit Cesium Francium 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

A good technique when heating a liquid in a test tube is to point the open end away from ___. 10 Yourself Classmates The teacher All of the above 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

A graduated cylinder used in our chemistry lab is calibrated in ___. 10 Milliliters Liters Grams Degrees Celsius 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

What piece of lab equipment is the most accurate for measuring volume? 10 Centimeter Beaker Gram Graduated cylinder 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Acid rain can ___. Destroy forests Improve nutrient uptake in plants 10 Destroy forests Improve nutrient uptake in plants Increase the pH of lakes Preserve aquatic life 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

A ___ can dissolve another substance. 10 Solute Solvent Saturation Unsaturated 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

A ___ solution holds less than the maximum amount of solute at a given temperature. 10 Saturated Dilute Supersaturated Unsaturated 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Adding antifreeze to water ___ the freezing point of the solution. 10 Raises Lowers Stabilizes Fixes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

As the temperature of a solution increases, the amount of solid solute that is dissolved ___. 10 Increases Decreases Remains the same 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The solubility of a gas in a liquid ___. 10 Increases with decreasing temperature Is independent of temperature Increases with increasing temperature Decreases with decreasing temperature 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Which is the most concentrated solution? 10 0.75 M 1.50 M 3.00 M 6.00 M 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

A ___ is a homogeneous mixture of two or more materials. 10 Solute Solvent Solution Suspension 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

A heterogeneous mixture having particles that settle out is called a ___. 10 Colloid Gelatin Suspension Solution 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

As the pressure increases, the solubility of a gas ___. 10 Stays the same Decreases Increases Is zero 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Which of the following is most effective in lowering the freezing point of ice on roads. 10 CaCl2 NaCl AlCl3 KCl 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Properties of solutions that depend on the number, rather than type, of solute particles are ___ properties. 10 Intensive Acidic Qualitative Colligative 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The process of two solutions reacting to form an insoluble product is called ___. 10 Sublimation Evaporation Seeding Precipitation 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

A child notices her balloon is smaller inside her air conditioned house than outside in the sun. This is an example of ___ law. 10 Avogadro’s Boyle’s Charles’ Graham’s 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

According to Boyle’s law, the pressure of a gas will ___ when the volume decreases. 10 Increase Decrease Remain the same 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Air consists of ___. One kind of gas A mixture of several gases 10 One kind of gas A mixture of several gases A single compound Only non-reactive gases 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

All of the following are pressure units except 10 mm Hg atm kPa K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

As the temperature increases, the motion of particles ___. 10 Increases Decreases Remains the same 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

No molecular motion occurs ___. 10 At night In the atmosphere At absolute zero At the freezing point 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Of the three states of matter, ___ is the highest energy. 10 Solid Liquid Gas 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Particles of matter in the ___ state are moving very quickly and do not form a definite pattern. 10 Solid Gaseous Atomic Nuclear 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

As the temperature in a tank of propane increases, the pressure ___. 10 Increases Decreases Remains constant Decreases, then increases 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Because of its high heat capacity, the temperature of ___ changes slower than most substances. 10 Alcohol Oil Gasoline Water 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

STP is ___. 0oC and 1 atm pressure 0oK and 1 atm pressure 10 0oC and 1 atm pressure 0oK and 1 atm pressure 25oC and 1 atm pressure 273oC and 700 mm Hg 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The process by which a liquid is converted to a gas without boiling is 10 Precipitation Evaporation Condensation Vaporization 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The process by which molecules move from an area of high concentration to an area of low concentration is 10 Bulk flow Diffusion Osmosis Dilution 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The __ the altitude, the lower the pressure. 10 Lower Higher 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

What volume will one mole of a gas occupy under STP? 10 1 L 22.4 L 273 L 293 L 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

What idea can be used to explain both Boyle’s and Charles’ laws? 10 Atomic theory Kinetic molecular theory Law of conservation of matter Law of conservation of energy 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Which law explains why bread rises when baked? 10 Avogadro’s Boyle’s Charles’ Graham’s 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Which law explains why soft drinks “pop” when opened? 10 Avogadro’s Boyle’s Charles’ Kelvin’s 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Any time physical or chemical changes occur, you also ___. 10 Have energy changes Gain mass Lose energy Have color changes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

In a(n) __ reaction, energy is given off. 10 Endothermic Exothermic Isothermic 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The energy in compounds is held in the 10 Oxygen atoms Hydrogen atoms Chemical bonds between atoms Water molecules 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The minimum energy needed to start a reactions is called the 10 Energy of formation Lattice energy Bond energy Activation energy 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

When chemicals are mixed in a test tube and the test tube becomes hotter, a __ reaction has occurred. 10 Exogenic Exothermic Endogenic Endothermic 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

A compound that speeds up a reaction without being consumed itself is a(n) 10 Additive Catalyst Raw material Resource 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

If you increase the temperature, the rate of reaction will 10 Increase Decrease Remain the same 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Increasing the surface area of a substance will __ the rate of reaction. 10 Increase Decrease Cause no change in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

In chemical equations, “aq” means 10 In a water solution A crystal A pure compound A gas 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

In a combustion reaction, the products are 10 Hydrogen Carbon dioxide and water Oxygen and water oxygen 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The chemicals on the left side of the arrow are called 10 Molecules Reactants Products Sugar 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The reaction A + B  AB is what type of reaction? 10 Single displacement Double displacement Decomposition Synthesis 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Which of the following controls the amount of product that is formed? 10 Excess reactant Mole ratio Composition reactant Limiting reactant 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Which of the following is a hydrocarbon? 10 S2O3 C2H6 N2O4 Na2C2O4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

A pH of __ is neutral. 10 1 7 10 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

A solution that changes color based on pH is called a(n) 10 Acid Base Hydroxide Indicator 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Bases usually Feel slippery Taste sour Neutralize salts 10 Feel slippery Taste sour Neutralize salts Have a pH less than 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Blue litmus turns red when a(n) ___ is tested. 10 Base Acid Neutral substance Buffered 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Fruits such as lemons contain ___ acid. 10 Lactic Acetic Citric Nitric 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

On a pH scale a value of ___ represents a strong acid. 10 2 6 8 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The products of a reaction between an acid and a base are always 10 A soap and alcohol A salt and water A soap and water A salt and alcohol 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Which of the following would be classified as an acid? 10 NaCl H2SO4 CaCO3 NaOH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

___ substances can neutralize bases. 10 Acidic Neutral Basic Alkaline 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

___ is a chemical reaction between an acid and a base. 10 Solubility Saturation Neutralization Aeration 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The pH of normal rainfall is 10 Neutral Alkaline Slightly acidic Basic 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The pH of strong base would be closest to 10 7 1 12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Sour milk contains ___ acid. 10 Acetic Hydrochloric Lactic Nitric 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

The chemical name for NaCl is 10 Sodium chloride Table salt Nadium chloride bleach 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Substances that are neither acidic nor basic are said to be 10 Neutral Alkaline Solutions Ionic 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

A common household acid is 10 Ammonia Vinegar Soap Water 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30