Exam 11: The Air Around Us
Exam 1: Molecular Reasons72 Questions
Exam 2: The Chemists Toolbox78 Questions
Exam 3: Atoms and Elements88 Questions
Exam 4: Molecules, Compounds, and Chemical Reactions83 Questions
Exam 5: Chemical Bonding79 Questions
Exam 6: Organic Chemistry76 Questions
Exam 7: Light and Color66 Questions
Exam 8: Nuclear Chemistry73 Questions
Exam 9: Energy for Today72 Questions
Exam 10: Energy for Tomorrow: Solar and Other Renewable Energy Sources70 Questions
Exam 11: The Air Around Us72 Questions
Exam 12: The Liquids and Solids Around Us: Especially Water75 Questions
Exam 13: Acids and Bases: the Molecules Responsible for Sour and Bitter74 Questions
Exam 14: Oxidation and Reduction71 Questions
Exam 15: The Chemistry of Household Products68 Questions
Exam 16: Biochemistry and Biotechnology71 Questions
Exam 17: Drugs and Medicine: Healing, Helping, and Hurting70 Questions
Exam 18: The Chemistry of Food66 Questions
Exam 19: Nanotechnology Online Only33 Questions
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A basketball is inflated to a pressure of 1.50 atm in a garage at a temperature of 20.0 ° C . What will be the pressure of the basketball outside where the temperature is − 5.00 ° C?
(Multiple Choice)
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According to Charles's law, if the volume of a gas is decreased by a factor of 3, then the _____ of the gas is _____ by a factor of _____.
(Multiple Choice)
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Which of the following statements is true of UV-A and UV-B?
(Multiple Choice)
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According to Boyle's law, if the pressure of a gas is decreased by a factor of 5, then the _____ of the gas is _____ by a factor of _____.
(Multiple Choice)
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The layer of air that surrounds the earth is known as the _____.
(Multiple Choice)
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Which of these gases is /are not a part (either as a reactant or as a product) of the biochemical reaction known as respiration?
I. N2
II. O2
III. H2O
IV. CO2
(Multiple Choice)
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Which of these compounds has replaced chlorofluorocarbons (CFCs) that were used in some industries ?
(Multiple Choice)
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Which of these compounds is credited with the accelerated depletion of the ozone layer?
(Multiple Choice)
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_____ is broken down by bacteria in the soil to its compounds, and these compounds are used directly by plants.
(Multiple Choice)
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Which of these pollutants is produced primarily by agricultural tilling, construction, unpaved roads, and fires?
(Multiple Choice)
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A sample of oxygen with a volume V is contained in a sealed syringe with a movable piston. If the pressure of the sample were halved and the absolute temperature tripled, what would be the new volume of the gas?
(Multiple Choice)
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Which of these processes is represented by the following equation?
O3 + UV light → O + O2
(Multiple Choice)
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Which of these acts as a pollutant in the troposphere but as a UV shield in the stratosphere?
(Multiple Choice)
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Which of these statements concerning pressure and weather is/are correct ?
I. Low pressure in a region tends to draw in storms.
II. High pressure in a region usually indicates clear weather.
III. Changes in pressure from region to region are responsible for winds.
(Multiple Choice)
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A sample of acetylene gas occupies a volume of 47.2 L under a pressure of 1.63 atm at 25 ° C. What will be the volume of the gas if the pressure is decreased to 0.961 atm at 25 ° C?
(Multiple Choice)
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Which of these is the correct representation of Charles's law?
(Multiple Choice)
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Which of these is responsible for the rusting of metal and the dulling of paint?
(Multiple Choice)
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Which of these gases is /are not a part (either as a reactant or as a product) of the biochemical reaction known as photosynthesis?
I. N2
II. O2
III. H2O
IV. CO2
(Multiple Choice)
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