Kaley is trying to determine how music affects the growth of plants. she hypothesizes that classical music will cause a plant to grow at a higher rate than no music or rap music. she grows 9 tomato plants in similar lighting, temperature, and soil. three are exposed to classical music 24 hours a day, three are exposed to rap music 24 hours a day, and three are grown in complete silence. kaley measures the growth of the plants every day and finds that the plants all seem to have the same rate of growth. what is missing from kaley’s scientific investigation?
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Chemistry, 21.06.2019 15:30, kathleensumter4913
219 grams of iron (iii) oxide reacts with excess carbon according to the reaction equation shown below. fe2o3 + c → fe + co2 after a scientist performs the chemical reaction they find the actual yield of iron to be 57.4 grams. calculate the percent yield of this chemical reaction.
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Chemistry, 22.06.2019 05:00, YoEsMyles3115
0.2348 grams of pbcl2 used to form 44.0 ml of solution.
Answers: 1
Kaley is trying to determine how music affects the growth of plants. she hypothesizes that classical...
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