Chemistry, 18.11.2020 17:50 mjlchance367
As Mia mixed two substances in a test tube, she noticed that the test tube became warm. She also noticed gas coming from the test tube. Based on Mia's observations, what was most likely occurring inside the test tube?
A. The two substances underwent a physical change
B. The two substances were melting
C. A new substance was forming
D. A change in the mass of the two substances
Answers: 1
Chemistry, 22.06.2019 06:00, palomaresmitchelle
There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
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Chemistry, 22.06.2019 09:30, matpakootas521
Why do cells appear different in distilled water than they do in 10% salt water?
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Chemistry, 22.06.2019 15:20, merrickrittany
An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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As Mia mixed two substances in a test tube, she noticed that the test tube became warm. She also not...
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