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Juliette [100K]
2 years ago
15

Forensic chemistry

Chemistry
1 answer:
Rina8888 [55]2 years ago
5 0

Explanation:

clinical laboratory test results are a very important parameter in diagnosis, monitoring and screening. 70-80 ... it is possible to determine whether you can interpret the test result as being ...

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Using the reagents below, list in order (by letter, no period) those necessary to transform 1-chlorobutane into 1-butyne. Note:
aliya0001 [1]

Answer:

Explanation:1. NaNH2 (1-Butene)

CH3CH2CH2CH2Cl --------------> CH3CH2CH=CH2 + HCl (elimination reaction)

2. Br2, CCl4

CH3CH2CH=CH2 ---------------> CH3CH2CH(Br)CH2Br (Simple addition Reaction)

3. NaNH2 (1-Butyne)

CH3CH2CH(Br)CH2Br ----------------> CH3CH2C≡CH + 2HBr

Sodamide (NaNH2) is a very strong base and generally results in Terminal Alkynes when treated with Vicinal Dihalides.

Alcoholic KOH on the other hand results in the formation of Alkynes with triple bonds in the middle of the molecule.

3 0
3 years ago
Liquids are similar to gases in that they both have
Wewaii [24]
Liquids are similar to gases in that they both have <span>no definite shape.</span>
7 0
3 years ago
Read 2 more answers
Please answer by the number ! I will mark any correct answer brainliest :)
jeyben [28]

Answer:

36 joules is the answer

1/2mv^2

1/2* 8*3*3

4*9

36joules

5 0
3 years ago
Select the correct answer.
vaieri [72.5K]

Answer:

b

Explanation:

compounds ..........

6 0
3 years ago
Calcium metal is obtained by direct electrolysis of molten cacl2. if a metallurgical electrolysis apparatus operates at 28.70 a,
ser-zykov [4K]
There is 1 mole of electrons = 96500C and Ca = 40 
Ca2+  + 2e --->Ca
Base on the formula above it means that there are 2 moles of electrons to produce 1 mole of calcium.

96500C x 2 = 193000C

193000C electricity produce 40g Calcium

Coulombs = Amps x seconds   (28.70A for 12 hours)
= 28.70A x 12 x 60 x 60 C
= 1 239 840 C

This amount of electricity will produce 

=1239840 / 193000 x 40g Calcium
= 6.42 x 40 g Calcium
= 256.96 g

So there will be 256.96g of Calcium metal that will be produced in 12 hours. 
6 0
3 years ago
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