Social Studies, 31.01.2020 17:44 finessinsam
Janet learned in science class that the amount of salt that can dissolve in a certain amount of water depends on the temperature of the water. she decides to do an experiment to test this. she carefully adds salt, 100 mg at a time, to a cup of water and stirs until all the salt dissolves. when she has added so much salt that it will not dissolve after 5 minutes, she measures the temperature of the water. she records the temperature and the final amount of salt. she does this with cold water, cool water, room-temperature water, warm water, and hot water.
what is the independent variable in this experiment?
a. the temperature of the water
b. the amount of salt
c. the amount of water
d. how long it took the salt to dissolve
Answers: 1
Social Studies, 22.06.2019 07:30
Which of the following was a result of the political debates over the whiskey rebellion?
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Social Studies, 22.06.2019 09:30
Plz i need i really don’t want to fail i’m only 14. can somebody write a rough draft for me. about how tighter british control led to a revolution in colonial america has to be at least 4 paragraphs plz me passing depends on this plz
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Which best describes the purpose of the south carolina exposition and protest, which was written by john c. calhoun? a) to explain why the south was nullifying the tariff of 1828 b) to describe the ways the tariff of 1828 would southerners c) to persuade northern states to rebel against the federal government d) to ask england for if the south decided to secede from the union
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Social Studies, 23.06.2019 01:30
Thomas jefferson was alarmed by the fierce debate over warning americans about its threat to national unity. 1.) slavery 2.) the powers of congress 3.) the missouri compromise 4.) escaped slaves
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Janet learned in science class that the amount of salt that can dissolve in a certain amount of wate...
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