Exam 1: Essentials: Units, Measurements, and Problem Solving
Exam 1: Essentials: Units, Measurements, and Problem Solving101 Questions
Exam 2: Atoms137 Questions
Exam 3: The Quantum Mechanical Model of the Atom141 Questions
Exam 4: Periodic Properties of the Elements144 Questions
Exam 5: Molecules and Compounds202 Questions
Exam 6: Chemical Bonding I138 Questions
Exam 7: Chemical Bonding Ii64 Questions
Exam 8: Chemical Reactions and Chemical Quantities79 Questions
Exam 9: Introduction to Solutions and Aqueous Reactions177 Questions
Exam 10: Thermochemistry145 Questions
Exam 11: Gases185 Questions
Exam 12: Liquids, Solids, and Intermolecular Forces132 Questions
Exam 13: Crystalline Solids and Modern Materials43 Questions
Exam 14: Solutions148 Questions
Exam 15: Chemical Kinetics155 Questions
Exam 16: Chemical Equilibrium141 Questions
Exam 17: Acids and Bases159 Questions
Exam 18: Aqueous Ionic Equilibrium188 Questions
Exam 19: Free Energy and Thermodynamics130 Questions
Exam 20: Electrochemistry148 Questions
Exam 21: Radioactivity and Nuclear Chemistry136 Questions
Exam 22: Organic Chemistry104 Questions
Exam 23: Transition Metals and Coordination Compounds74 Questions
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A piece of metal ore weighs 9.25 g.When a student places it into a graduated cylinder containing water,the liquid level rises from 21.25 mL to 26.47 mL.What is the density of the ore?
(Multiple Choice)
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What is the volume (in cm3)of a 9.37 g piece of metal with a density of 4.66 g/cm3?
(Multiple Choice)
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How many of the following numbers contain 3 significant figures?
0)509 1.050 0.0 500 1.06 × 1024
(Multiple Choice)
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Determine the volume of an object that has a mass of 455.6 g and a density of 19.3 g/cm3.
(Multiple Choice)
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How many significant figures are there in the answer for the following problem?
34)2 + 0.6699 + 18 = ?
(Multiple Choice)
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How many significant figures are there in the answer for the following problem?
= ?

(Multiple Choice)
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Read the length of the metal bar with the correct number of significant figures. 

(Multiple Choice)
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A student performs an experiment to determine the density of a sugar solution.She obtains the following results: 1.11 g/mL,1.81 g/mL,1.95 g/mL,1.75 g/mL.If the actual value for the density of the sugar solution is 1.75 g/mL,which statement below best describes her results?
(Multiple Choice)
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The width,length,and height of a large,custom-made shipping crate are 1.22 m,3.22 m,and 0.54 m,respectively.The volume of the box using the correct number of significant figures is ________ m3.
(Multiple Choice)
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The diameter of an atom is approximately 1 × 10-10 m.What is the diameter in picometers?
(Multiple Choice)
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Because of the high heat and low humidity in the summer in Death Valley,California,a visitor requires about one quart of water for every two miles traveled on foot.Calculate the approximate number of liters required for a person to walk 25 kilometers in Death Valley.
(Multiple Choice)
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