Chemistry, 18.10.2020 07:01 salgado100400
De 19. Most stars in the universe fit into one of the four areas on this Hertzsprung-Russell
diagram
Hertzsprung-Russell Diagram
Area P
10
Area M
O
Area M
10
Area P
Area X
&
10
Area z
.
Luminosity (L)
o o
1
Area X
102
Area Z
CLEAR ALL
10
40,000
20,000
10,000
Temperature (K)
5,000
2,500
Which area of the diagram represents the white dwarfs?
Ni
Answers: 1
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Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-
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Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change
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George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.
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Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?
Answers: 3
De 19. Most stars in the universe fit into one of the four areas on this Hertzsprung-Russell
diagra...
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