Biology, 06.11.2019 03:31 emileewhitaker1373
99 ! sasha did an experiment to study the solubility of two substances. she poured 100 ml of water at 20 °c into each of two beakers labeled a and b. she put 50 g of substance a in the beaker labeled a and 50 g of substance b in the beaker labeled b. the solution in both beakers was stirred for 1 minute. the amount of substance left undissolved in the beakers was weighed. the experiment was repeated for different temperatures of water and the observations were recorded as shown. experimental observations substance mass of undissolved substance at different temperatures (gram) 20 °c 40 °c 60 °c 80 °c a 12 11 9 8 b 45 40 34 31 part 1: which substance has a higher solubility? part 2: explain your answer for part 1.
Answers: 1
Biology, 21.06.2019 13:30
Andesitic rocks have mineral compositions between those of and basaltic rocks. a. conglomerate c. granitic b. metamorphic d. organic select the best answer from the choices provided a b c d i need asap
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Biology, 22.06.2019 07:50
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Biology, 22.06.2019 10:30
Nkentucky, intoxicating beverages (beer, whiskey, wine, etc.) are involved to some extent in approximately % of collisions fatal to pedestrians.
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99 ! sasha did an experiment to study the solubility of two substances. she poured 100 ml of water...
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