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Ira Lisetskai [31]
2 years ago
11

What is two common uses that has technetium??

Chemistry
1 answer:
allsm [11]2 years ago
3 0

Answer:

k

Explanation:

What are the uses of technetium?

The gamma-ray emitting technetium-99m (metastable) is widely used for medical diagnostic studies. Several chemical forms are used to image different parts of the body. Technetium is a remarkable corrosion inhibitor for steel, and adding very small amounts can provide excellent protection.

Discovered by: Carlo Perrier and Emilio Segrè

Discovery date: 1937

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A gas has a volume of 25.0 mL when under a pressure of 525 mmHg. What is the new pressure when the volume has been increased to
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Answer:

152.26 mmHg

Explanation:

pv=p'v'

525× 25=p'×86.2

p'=525×25÷ 86.2

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Why is the anatomy of the human body not a general reason to study chemistry. Need help for a good reply.
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A sub-shell with n = 6, l = 2 can accommodate a maximum of:
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Which of these pairs indicates an incorrect coupling of reversible reactions?dehydration synthesis and hydrolysisanabolic and ca
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Answer:

option C= hydrolysis and break down

Explanation:

All other three pairs are correct coupling of each others.

Option A= dehydration synthesis and hydrolysis

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Hydrolysis:

In hydrolysis the polymers are break down into monomers by using water molecules. The catalysts are also required in this process.

Option B= Catabolic and Anabolic

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For example simple glucose molecules join together to form large disaccharides.

Catabolic:

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For example during cellular respiration sugar molecules break down and generate energy.

Option D=  Break down and synthesis

The break down and synthesis are also reverse pair of each others. The  synthesis involve the formation of molecules form smaller component while the break down involve destruction of molecules into smaller units.

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How does science help us protect our nations resources.
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