3 years ago

Iodine-131 is used to

1 answer:

7 0

Iodine 131 is a radioisotope with a very short half-life of 8.02 days, making it highly radioactive. Frequently used in small doses in thyroid cancers therapies, it is also one of the most feared fission products when accidentally released into the environment. Radiotoxicity of iodine 131.

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Đơn chất nào sau đây tác dụng với dung dịch axit sunfuric loãng sinh ra khí ?

viva [34]

Answer:

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2 years ago

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3 years ago

A student adds 0. 0030 mol of hcl to 100 ml of a 0. 10 m solution of a r2nh, a weak base. The ph of the solution is found to be

egoroff_w [7]

Since an acidic salt solution is produced when a strong acid neutralizes a weak base, the pH of the salt solution formed when HCl is added to R2NH will be less than 7.

<h3>What is a neutralization reaction?</h3>

A neutralization reaction is the react ion between an acid and a base to form salt and water only.

Neutralization reactions can either produce a neutral solution, an acidic solution or an alkaline solution at equivalence point.

When a strong acid is added to a weak base, the pH of the salt solution formed will be less than 7.

Therefore, the pH of the salt solution formed when HCl is added to R2NH will be less than 7.

Learn more about pH at: brainly.com/question/940314

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2 years ago

Dimitri Mendeleev organized an early version of the Periodic Table in order of increasing __________.

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Global warming, Cosmic Background radiation (even though most is blocked not ALL), and pollution.

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