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21 Cards in this Set
- Front
- Back
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Which is the best definition of a B-L base?
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any substance that accepts H+ ions in solution
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Which of the following pH values represents the greatest concentration of the hydroxide ion?
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13
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According to Arrhenius, an acid and a base will react to ive...
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a salt plus a water
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The pH of a sample of water from a river is 6.0. A sample of effluent from a food processing plant has a pH of 7.0 The concentration of hydronium ion (H3O+) in the effluent is
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ten times smaller than the river hydronium ion concentration
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What is the purpose of Alka-Seltzer?
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serves as a buffer which resists changes to acidity and basicity
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On earth highly BLANK forms of matter can be said to contain lots of potential energy.
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reduced
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Combustion of octane, C8H18, involves the BLANK of the hydrocarbon.
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oxidation
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Which is less efficient?
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the oxidation of coal and subsequent heating of water to make steam and turn a turbine
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Nickel-cadmium batteries marked a revolution in the development of rechargeable batteries though they cannot be recharged repeatedly at 100% efficiency. Lithium ion batteries achieved the 100% goal.
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false
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Name a well-known industrial reducing agent.
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Carbon
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Potassium chlorate, KCLO3, decomposes readily to form a salt and what gas?
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oxygen
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This gas readily reacted with phosphorus 1 dripped on it in class to form nonmetal oxide with the formula...
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P2)5
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Violent reactions yield very BLANK products.
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stable
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Molten KClO3 caused the St. Patty's Day candy to be...
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oxidized
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Which of the following statements about an electrochemical cell is incorrect?
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reduction occurs at the anode
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Why do batteries run out of energy?
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reactants are used up
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The familiar strong base, sodium hydroxide, NaOH, will ionize to what extent in aqueous solution?
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100%
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Lithium hydroxide reacts with hydroiodic acid (HI) to produce water and which salt?
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LiI
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During the photosynthesis process, oxygen...
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is oxidized
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Which acid kills acne?
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benzoyl
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Sulfuric acid is an excellent dehydrating agent and will remove water from the cells of the skin (OUCH!) and from table sugar (oh, what a stink!)
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true
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