Sedapprnd=16215335...
Science
To
44
Regina has been growing sunflowers in her bac...
Sedapprnd=16215335...
Science
To
44
Regina has been growing sunflowers in her backyard so she can harvest their seeds. The sunflowers are all growing in the same
type of soil and receive the same amount of sunlight Regina has also provided them all with the same amount of water. So far, the
sunflowers have all grown the same amount.
Regina's grandfather comes to visit, and he tells Regina that the flowers will produce more seeds if she gives the flowers Fertilizer
X. Regina would like to try the fertilizer, but it is very expensive. She decides to test the fertilizer in a scientific investigation before
purchasing enough for all of the sunflowers,
Which of the following questions can Regina answer through a scientific investigation in order to test her grandfather's claim?
ОА. Would it be wiser to use Fertilizer X on vegetable plants since it is so expensive?
OB.
Will providing sunflowers with Fertilizer X cause the flowers to produce more seeds?
OC. Will Regina's grandfather be upset if she uses a cheaper fertilizer that works as well as Fertilizer X?
OD
Will providing sunflowers with Fertilizer X result in more attractive flowers?
Answers: 2
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The pressure in a fluid is affected by which characteristics of that fluid
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Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.
Answers: 3
Chemistry, 22.06.2019 13:50
Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
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