Exam 2: Measurement and Problem Solving
Exam 1: The Chemical World54 Questions
Exam 2: Measurement and Problem Solving121 Questions
Exam 3: Matter and Energy110 Questions
Exam 4: Atoms and Elements106 Questions
Exam 5: Molecules and Compounds101 Questions
Exam 6: Chemical Composition111 Questions
Exam 7: Chemical Reactions102 Questions
Exam 8: Quantities in Chemical Reactions108 Questions
Exam 9: Electrons in Atoms and the Periodic Table101 Questions
Exam 10: Chemical Bonding100 Questions
Exam 11: Gases112 Questions
Exam 12: Liquids,solids,and Intermolecular Forces105 Questions
Exam 13: Solutions110 Questions
Exam 14: Acids and Bases106 Questions
Exam 15: Chemical Equilibrium106 Questions
Exam 16: Oxidation and Reduction102 Questions
Exam 17: Radioactivity and Nuclear Chemistry106 Questions
Exam 18: Organic Chemistry106 Questions
Exam 19: Biochemistry95 Questions
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Given that 1 inch equals 2.54 centimeters,then 1 cubic inch equals 16.387 cubic centimeters.
(True/False)
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You do not need to write units in calculations as long as you can remember them.
(True/False)
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The decimal number 0.0000010 expressed in scientific notation is 1.0 × 106.
(True/False)
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The wavelength of blue light is 0.00000045 m.Express this wavelength in scientific notation.
(Multiple Choice)
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The common English unit in which the speed of an automobile is expressed is miles/hr.What is the set of standard SI units for speed?
(Multiple Choice)
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When rounding the number 2.348615 to 4 significant digits,what is the correct value?
(Multiple Choice)
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What is the volume of a cube with dimensions 11.0 cm × 11.0 cm × 11.0 cm in m3?
(Multiple Choice)
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Which of the following sets of units is NOT in the order of increasing size?
(Multiple Choice)
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Given the density of Au is 19.3 g/cm3,determine the mass of gold in an ingot with the dimensions of
10.0 in × 4.00 in × 3.00 in.
(Multiple Choice)
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A room has dimensions of 10.0 ft × 20.0 ft × 8.00 ft.Given that there are three feet in a yard,what is the volume of the room in yd3?
(Multiple Choice)
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When the number 65.59 is rounded to contain 2 significant figures,it becomes 66.0.
(True/False)
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Determine the answer for the equation below with correct number of significant figures:
3.215 × 13.2 ÷ 0.218 = ________
(Multiple Choice)
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When the value 4.449 is rounded to two significant figures,the number should be reported as:
(Multiple Choice)
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Determine the answer to the following equation with correct number of significant figures:
106 ÷ 9.02 × 1.9 = ________
(Multiple Choice)
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