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Lindz
Questions (23)
A disease affects 9% of individuals in a population and a sample of 100 people is selected from the population. What is the
0 answers
498 views
P=5g-23=
1 answer
311 views
P=5g-23=
0 answers
325 views
Find the slope of any line perpendicular to the line through points (0,5) and(-3,-4).
I found the slope to be 3, but would the
1 answer
938 views
Driving down a mountain, Tom finds that he has descended 1800 ft
in elevation by the time he is 3.25 mi horizontally away from
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999 views
In plants, why is a small molecular weight defence compound better than a protein? Why is light activation an advantage in plant
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549 views
Explain why aldol reactions involving aromatic aldehydes and ketones are favoured.
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559 views
Suppose that the number of insects captured in a trap on different nights is normally distributed with mean 2950 and standard
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727 views
Suppose that the number of insects captured in a trap on
different nights is normally distributed with mean 2950 and standard
0 answers
664 views
Often, acetal formation is carried out directly with the help of a carbonyl and a diol under acidic conditions.
a) Show two
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614 views
The preparation of “azo” dyes often does not work well in the laboratory. Although the correct colour is usually apparent,
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494 views
The preparation of “azo” dyes often does not work well in the laboratory. Although the correct colour is usually apparent,
0 answers
487 views
1. Isolation of aniline by steam distillation.
(a) Why is NaOH added before performing thedistillation? (b) Suggest a reason for
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881 views
A rescue squad spokesperson claims that the squad receives an average of 3 calls per hour. If at most 6 calls were received over
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1,008 views
Albino rats used to study the hormonal regulation of metabolic pathway are injected with a drug that inhibits body synthesis of
1 answer
3,637 views
The nitration of nitrobenzene at room temperature gives 1,3-dinitrobenzene, but not 1,3,5-trinitrobenzene, despite the use of
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917 views
Even though tetanus is rare in the United States, it is fatal 70% of the time. If three persons contract tetanus during one
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597 views
Police report that 88% of drivers stopped on suspicion of
drunk driving are given a breath test, 15% a blood test, and 10% both
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775 views
In polymer chemistry, it is often said that obtaining a polymer with certain desired physical properties is often more a problem
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879 views
Explain why dimethyl maleate is thermodynamically less stable than dimethyl fumarate.
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770 views
In polymer chemistry, it is often said that obtaining a polymer with certain desired physical properties is often more a problem
1 answer
805 views
We would like to test 3 different treatments on a particular type of plant. A worker at the local greenhouse will allow us to
0 answers
583 views
A lab is developing a new medication for headaches. To do so,they must choose from 10 active ingredients, 5 preservatives and 2
0 answers
603 views
