Chemistry, 22.01.2020 23:31 ashleytorrao65541
Ethan is investigating a snails response to stimuli. he put the following substances on each corner of a paper towel; syrup, lemon juice, vinegar, and water. then he put a snail in the center of the paper towel to see how it would respond. which observation is evidence of the snails response to stimuli?
a. the snail likes the water
b. the snail preferred the vinegar
c. the snail moved toward the syrup
d. the snail does not like lemon juice
Answers: 3
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Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?
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Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent
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Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.
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Chemistry, 22.06.2019 14:30
Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize
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Ethan is investigating a snails response to stimuli. he put the following substances on each corner...
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