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Rus_ich [418]
3 years ago
7

What is TRUE about how the “CSI effect” has been represented in society?

Chemistry
1 answer:
barxatty [35]3 years ago
8 0
Crime and courtroom proceedings have long been fodder for film and ... process, many of today's courtroom dramas are based on actual cases. ... acquit guilty defendants when no scientific evidence has been presented.
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A student wishes to prepare 2.00 Liters of a 0.100 M KIO3 (molecular weight 214). The proper procedure is to weigh out:_____
Vsevolod [243]

Answer:

B

Explanation:

A. Wrong

The volume of water in 2kg of water might not be 2L

D is correct.

Firstly, we need to know that the number of moles equals the mass over the molar mass. Doing this with the particular data in tie question would give 0.2M.

Hence it is essential that what we get is 0.2M in one liter. But since we are gunning for 2L, adding more than one liter of water would affect the molarity, that is why it now will be 0.1M in 2L

C is wrong

What is prepared here is 0.05M in 2L

B is wrong

What is needed is actually 2L of water and not the total volume of both being 2L

E is wrong

5 0
4 years ago
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Which statement describes conditions in which a mineral can form?
Alex_Xolod [135]
The answer is A. Hope this helped
8 0
3 years ago
When a solution is basic, the pH is always greater than
alexandr402 [8]
The ph is always greater than 7
6 0
3 years ago
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Burka [1]

Answer:

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8 0
4 years ago
Label the signals due to ha, hb, and hc in the 1h nmr spectra.
trapecia [35]
Structure along with ¹H-NMR is shown below.

Signal for Hₐ;
                     Based on multiplicity of of the peak, a Singlet peak (the only singlet peak present in spectrum) at 2.2 ppm was assigned to Hₐ. As the methyl group in not coupling with any other proton so it gave a singlet peak.

Signal for Hb;
                     Based on multiplicity of of the peak, a Quartet peak (the only quartet peak present in spectrum) at 2.4 ppm was assigned to Hb. As the methylene group in coupling with methyl group having three protons so it gave a Quartet peak.

Signal for Hc;
                     Based on multiplicity of of the peak, a Triplet peak (the only triplet peak present in spectrum) at 1.1 ppm was assigned to Hc. As the methyle group in coupling with methylene group having two protons so it gave a Triplet peak.

3 0
4 years ago
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