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alexgriva [62]
4 years ago
6

Radon-222 is a radioactive gas with a half-life of 3.82 days. How long would it take for 15/16 of the sample of radon-222 to dec

ay?
Chemistry
1 answer:
Digiron [165]4 years ago
5 0
Post an image to give solver a visual idea
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A gas quickly expands in an isolated environment. During the process, the gas exchanges no heat with its surroundings. The proce
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Answer:

e. adiabatic process

Explanation:

Adiabatic process  -

In the thermodynamic system , an adiabatic process is the one which involves no transfer of mass or heat of the substance , is referred to adiabatic process.

In this process , the temperature need not be constant ,

But only the heat is transferred into or out of the system .

Hence, from the given information of the question,.

The correct option is e. adiabatic process .

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Which of the following correctly shows the relationship, in terms of number of particles, of the three substances?
uranmaximum [27]
The answer is b but I’m not sure
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What must happen for an ionic bond to be created between two elements?
dezoksy [38]

Answer:

they must be heated

Explanation:

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3 years ago
Sarah is writing a paper explaining protein formation. Choose the correct way to complete each sentence.
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Answer :

Amino acids join by forming (1) peptide bonds.  Water is released.

The chains of amino acids vary according to their (2) side chains, which each have differing makeup.  

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Explanation :

Amino acid : The amino acids are the building blocks of protein. Amino acids are the compound which consist both amine (-NH_2) and carboxylic (-COOH) groups along with the side chains. In the protein, many amino acids are linked by the peptide bonds.

Th peptide bonds are formed by the combining of amino group of one amino acid to the carboxylic group of another amino acid by releasing of water.

Some examples of amino acids are glycine, lysine, alanine, etc.

Peptide bond formation image is shown below.

In the image 'R' can be contained by different groups like hydrogen, methyl, phenyl, etc

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