Afood item that is left out of the refrigerator turns brown and forms bubbles and gas. what are the signs that this is a chemical reaction? check all that apply. * 2 points heat is produced bubbles appear. the color changes. heat is absorbed. a precipitate forms.
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Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
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How does a noncompetitive inhibitor reduce an enzymeβs activity?
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Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
Afood item that is left out of the refrigerator turns brown and forms bubbles and gas. what are the...
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