Chemistry, 10.07.2019 06:00 joelpimentel
You can confirm that a substance has been converted to a different substance by showing that the substances have different properties. your observations should have revealed a difference in at least on property of sodium benzoate and benzoic acid. what property was that, and what observation revealed the difference?
Answers: 1
Chemistry, 22.06.2019 08:30
Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol
Answers: 2
Chemistry, 22.06.2019 09:00
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
Answers: 3
Chemistry, 22.06.2019 21:30
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
Answers: 2
You can confirm that a substance has been converted to a different substance by showing that the sub...
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