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Biology, 05.05.2020 00:04, skifchaofficial01
Freddy mixed 10 g of a powdery substance with 200 g of an acid solution. A bubbly solution weighing 205 g was formed. Which best explains why the mass of the new product does not equal the mass of the reactants?
Question 2 options:
the other 5 grams weighed less in the acid
the other 5 grams created a percipitate (solid)
the other 5 grams were released as a gas
the other 5 grams changed colors
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Answers: 2
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Biology, 22.06.2019 14:00, scottcourtney460
Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !
Answers: 2
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Freddy mixed 10 g of a powdery substance with 200 g of an acid solution. A bubbly solution weighing...
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