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Chemistry, 28.01.2020 11:31 kaitlynmoore42
two chemicals at room temperature (about 22°c) were combined in a flask. at first, there were bubbles, then, white flakes appeared at the bottom of the flask. after five minutes, the temperature of the solution was 36°c. a portion of the solution was used to measure its density and boiling point, which were determined to be 4.5 g/l and 82°c, respectively.
did a physical or chemical change occur?
how do you know it is not the other kind of change? provide at least three points of evidence that support your claim.
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