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3 years ago

Compare krypton and bromine in terms of chemical stability

1 answer:

4 0

Compare Bromine and Krypton on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Bromine vs Krypton with most reliable information about their properties, attributes, facts, uses etc. You can compare Br vs Kr on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

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What is the main idea of the article, "Great Wall of China"?

grin007 [14]

well, without the article, I'm guessing the main idea is about the Great Wall of China

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3 years ago

How do I write the formula for: Ferric hydrogen sulphate, Tungsten (V) peroxide, Nitric acid and Aluminum acetate? ...?

hram777 [196]

We write the following substances' chemical formula as follows:

Ferric hydrogen sulphate = Fe(HSO4)3.

Tungsten (V) peroxide = W2(O2)5

Nitric acid = HNO3

Aluminum acetate = C6H9AlO6

Hope this answers the question. Have a nice day.

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3 years ago

What is the energy released in the fission reaction 1 0 n + 235 92 U → 131 53 I + 89 39 Y + 16 1 0 n 0 1 n + 92 235 U → 53 131 I

mihalych1998 [28]

Answer: The energy released in the given nuclear reaction is 94.99 MeV.

Explanation:

For the given nuclear reaction:

$_{92}^{235}\textrm{U}+_0^1\textrm{n}\rightarrow _{53}^{131}\textrm{I}+_{39}^{89}\textrm{Y}+16_{0}^1\textrm{n}$

We are given:

Mass of $_{92}^{235}\textrm{U}$ = 235.043924 u

Mass of $_{0}^{1}\textrm{n}$ = 1.008665 u

Mass of $_{53}^{131}\textrm{I}$ = 130.9061246 u

Mass of $_{39}^{89}\textrm{Y}$ = 88.9058483 u u

To calculate the mass defect, we use the equation:

$\Delta m=\text{Mass of reactants}-\text{Mass of products}$

Putting values in above equation, we get:

$\Delta m=(m_U+m_{n})-(m_{I}+m_{Y}+16m_{n})\\\\\Delta m=(235.043924+1.008665)-(130.9061246+88.9058483+16(1.008665))=0.1019761u$

To calculate the energy released, we use the equation:

$E=\Delta mc^2\\E=(0.1019761u)\times c^2$

$E=(0.1019761u)\times (931.5MeV)$ (Conversion factor: $1u=931.5MeV/c^2$ )

$E=94.99MeV$

Hence, the energy released in the given nuclear reaction is 94.99 MeV.

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3 years ago

Which of these solids are most likely amorphous solids? Select all that apply. Rubber sugar plastic candle wax graphite glass.

Ostrovityanka [42]

The solids are characterized as amorphous and crystalline solids based on the arrangement of atoms. The solids that are amorphous are rubber, plastic, candle wax, and glass.

<h3>What are amorphous solids?</h3>

The solids have the arrangement of atoms in the lattice. The solids with an appropriate arrangement of atoms are crystalline solids. For example, sugar, graphite.

The solids with irregular arrangements of atoms in the lattice are amorphous solids. For example, glass, rubber.

Thus, the solids that are amorphous in nature are rubber, plastic, candle wax, and glass.

Learn more about amorphous solids, here:

brainly.com/question/4626187

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3 years ago

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What is the purpose of a buffer?

docker41 [41]

buffers resist changes in pH levels, they are used to regulate biological functions that only occur at certain pH levels.

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3 years ago

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