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ss7ja [257]
3 years ago
15

Construct a simulated 1H NMR spectrum for 1,2-dichloroethane by dragging and dropping the appropriate splitting pattern into the

box on the chemical shift baseline, and by dragging an integration value into the small box above the signal. Peak heights do not represent integration.

Chemistry
1 answer:
e-lub [12.9K]3 years ago
3 0

Answer:

All hydrogens are in same environment. Hence it will not split which shows as singlet for 4 hydrogen

Explanation:

check the attachment for further explanations

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A radioactive material, with half-life of six months, has 100 thousand unstable nuclei.
goldfiish [28.3K]

Answer:

See Explanation

Explanation:

Given that;

N/No = (1/2)^t/t1/2

Where;

No = amount of radioactive isotope originally present

N = A mount of radioactive isotope present at time t

t = time taken

t1/2 = half life

N/1000=(1/2)^3/6

N/1000=(1/2)^0.5

N = (1/2)^0.5 * 1000

N= 707 unstable nuclei

Since the value of the initial activity of the radioactive material was not given, the activity of the radioactive material after three months is given by;

Decay constant = 0.693/t1/2 = 0.693/6 months = 0.1155 month^-1

Hence;

A=Aoe^-kt

Where;

A = Activity after a time t

Ao = initial activity

k = decay constant

t = time taken

A = Aoe^-3 *0.1155

A=Aoe^-0.3465

3 0
3 years ago
Which of the following regions does NOT match its description?
Fantom [35]

The region that does not match its description is the fourth answer choice which is Abdominal region: spine

  • For the first answer choice - Cranial region: head

The cranial region encompasses the upper part of the head.

∴ The first answer choice matches its description.

  • For the second answer choice - Axillary region: armpits

The axillary region is an anatomical region under the shoulder joint where the arm connects to the shoulder. Therefore, it encompasses the armpits.

∴ The second answer choice matches its description.

  • For the third answer choice - Thoracic region: chest

The thoracic region runs from the base of the neck down to the abdomen. Therefore, it encompasses the chest

∴ The third answer choice matches its description

  • For the fourth answer choice - Abdominal region: spine

The abdominal region is divided into four quadrants which include are

1. Right upper quadrant fossa (RUQ)

2. Right lower quadrant fossa (RLQ)

3. Left lower quadrant fossa (LLQ)

4. Left upper quadrant fossa (LUQ)

It is also divided into nine (9) areas, all of which does not include the spine.

∴ The fourth answer choice does NOT match its description.

Hence, the region that does not match its description is the fourth answer choice which is Abdominal region: spine

Learn more here: brainly.com/question/11504303

8 0
2 years ago
A current theory states during Earth’s formation, it was struck by a planet approximately the same size as Mars. Select the foll
Ivanshal [37]

Answer:

the earth gained mass from the impact :)

welcome

7 0
2 years ago
How many chromosomes are in a human gamete ?
RideAnS [48]

Answer:

23

Explanation:

if if you look at the screenshot it has the explanation

5 0
3 years ago
How is the periodic table arranged ( give two ways)
vlabodo [156]
Left side metals right side non metals. arrganged in groups (columns) and periods (rows), each group tells you amount of valence electrons
7 0
3 years ago
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