Chemistry, 19.07.2019 09:10 Teddybearnerd
Pure oxygen gas was first prepared by heating mercury (ii) oxide, hgo: 2hgo(s)β2hg(l)+o2(g) what volume (in l) of oxygen at stp is released by heating 10.36 g of hgo?
Answers: 1
Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
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Chemistry, 22.06.2019 15:30
Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.
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Chemistry, 22.06.2019 21:50
What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car
Answers: 2
Pure oxygen gas was first prepared by heating mercury (ii) oxide, hgo: 2hgo(s)β2hg(l)+o2(g) what vo...
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