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.
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Biology, 22.06.2019 03:30
Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis
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Biology, 22.06.2019 10:00
What processes would you expect to be key in the production of yogurt ?
Answers: 1
99 ! sasha did an experiment to study the solubility of two substances. she poured 100 ml of water...
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