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lesya [120]
2 years ago
13

URGENT- FORENSICS QUESTION- 20 PT

Chemistry
1 answer:
miskamm [114]2 years ago
4 0

The department of the FBI in which Natalia is most likely to work for is Questioned Documents Unit (QDU).

<h3>What is Questioned Documents Unit?</h3>

This is a unit of the FBI which is specialized in conducting forensic examinations on evidence collected during an investigation.

Such examinations may include examining documents and the instrument used to create evidences which are taken from crime scenes in order to solve the case.

Read more about Questioned Documents Unit here brainly.com/question/15246714

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What causes water to runoff
Nadusha1986 [10]

Answer:

C

Explanation:

Runoff occurs when there is more water than land can absorb so  it would be C.

8 0
2 years ago
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If the dehydration reaction of an alcohol is successful. What changes would be seen in the ir spectrum for the product compared
Bess [88]

If the dehydration reaction of an alcohol is successful. The changes would be seen in the IR spectrum for the product compared to the starting material are as,

  • The O-H and  C-O  band is disappear from stating material
  • The addition of a C-C double bond band in the product.

In dehydration reaction of alcohol (  O-H and  C-O bond ) contain , the water molecule ( H_{2}O ) is release from the reactant and C-C double bond is form which is known as alkene in the product .

The reactant and product have different structure. To determine the structure of the compound IR spectroscopy is used. In IR spectrum the peak corresponds to 3400-3600 cm is missing in the product of  dehydration reaction of an alcohol. It means  O-H band is disappear from stating material.

learn about IR SPECTRUM

brainly.com/question/15452269

#SPJ4

4 0
2 years ago
Answer pls pls plsss
ss7ja [257]
C.
Mark me Brainly!
4 0
3 years ago
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When silver coins are found in ancient shipwrecks,they are coated with a black crust. What question could you ask to help you de
leonid [27]
It went under a physical change because it (1) changed color. (2) changed form.
8 0
3 years ago
Write the chemical formula, condensed formula, and Lewis structure for each of the following hydrocarbons:
son4ous [18]

Explanation:

Here I send you all the 3 elements that you are asking for.

Notice that first on the left you will find lewis structure, then condensed and finally chemical formula of each of the compound you enlisted.

5 0
2 years ago
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