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What are the concentrations of acetic acid (pKa = 4.76) and acetate in a buffer solution of 0.20 M at pH 4.6? Enter your answer to two significant figures
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What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h
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Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
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What are the concentrations of acetic acid (pKa = 4.76) and acetate in a buffer solution of 0.20 M a...
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