Wks 3.1 - classifying matter (2 pages)
complete the blank labels in the diagram below.
c...
Chemistry, 27.08.2019 07:10 coolkitty35
Wks 3.1 - classifying matter (2 pages)
complete the blank labels in the diagram below.
can be separated
physically
e
definite composition s
(homogeneous)
mixture of
substances
variable composition
can be separated
chemically
(examples: water
sodium chloride)
(examples: carbon
hydrogen, oxygen)
uniform
also called a solution
nonuniform:
distinct phases
in alamiananeous mixture heteropencous mixture, compound, or an element.
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Stage in which a typical star has completely stopped fusion
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For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2
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How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate
Answers: 1
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