Chemistry, 02.06.2021 03:10 yasiroarafat12
Classify each substance as a pure substance or mixture. copper which consists of only one kind of atom, carbon dioxide which has two atoms of oxygen for each atom of carbon, table salt which can be separated into sodium and chlorine only by chemical process, a solution of sugar dissolves in water, sea water which can be purified by filtering it
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Chemistry, 22.06.2019 05:20
Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.
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Chemistry, 22.06.2019 23:40
What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.
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Chemistry, 23.06.2019 03:00
Is it safe to take 450mg of diphenhydramine hydrochloride?
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Chemistry, 23.06.2019 06:00
Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control?
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Classify each substance as a pure substance or mixture. copper which consists of only one kind of at...
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