Regarding water's ability to move up a glass tube, which of the following is true?
a....
Chemistry, 22.10.2019 19:10, leslie1811
Regarding water's ability to move up a glass tube, which of the following is true?
a. surface tension enables water to move up the glass tube.
b. cohesion is exhibited as water molecules are attracted to the molecules in the glass.
c. adhesion is exhibited as water molecules are attracted to the molecules in the glass.
d. adhesion is exhibited as water molecules are attracted to other water molecules.
Answers: 3
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Electromagnets coils of wire paper clips picked up 10 3 15 6 20 9 25 12 ms. owens' class was studying magnets. ms. owens showed her students how to make an electromagnet using a nail, a d-cell battery, and plastic coated wire. the students wrapped the wire around the nail and then attached the ends to the battery. when they were finished, they tested their magnets by investigating how many paperclips their magnets could pick up. they also tested whether they could increase the strength of their electromagnets by using more coils of wire. they recorded the class average of their results in the data table seen here. ms. owens asked her students to graph their data in a line graph. how should the students label the x-axis on their line graph? a) size of battery b) number of paper clips c) number of coils of wire d) strength of electromagnet
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