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Select all of the following that are chemical changes Group of answer choices A. photosynthesis B. breaking a window into very tiny pieces C. melting a can D. turning a tin can into aluminum foil E. iron rusting and breaking apart F. crushing a can
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Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
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Volume is a measurement of how fast particles of a substance are moving
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During an acid-base titration, when do the contents of the beaker consist of only water, a salt, and a trace of indicator?
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Select all of the following that are chemical changes Group of answer choices A. photosynthesis B. b...
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