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How many molecules of H2O are in 8.54 moles of H2O?
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3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?
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Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o
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The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?
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How many molecules of H2O are in 8.54 moles of H2O?
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