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sdas [7]
3 years ago
9

What is a mutual attraction between the nuclei and electrons in two different atoms called?

Chemistry
2 answers:
Alika [10]3 years ago
7 0

The answer is A. chemical bond

Mrac [35]3 years ago
3 0

Answer: The correct option is A

Explanation:

  • Chemical bond is a bond present when there is mutual attraction between the nuclei and valence electrons of two different atoms to bind the atoms together.
  • A compound is a formed when two different elements combine together in a fixed ratio.
  • A cation is a positively charged ion.
  • An anion is a negatively charged ion.

Therefore, the correct option is A.

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The only pair that would result in a recessive phenotype is:
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Describe the importance of the nervous system:
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8. What is the heat of reaction when hydrogen and oxygen combine to form water?
valina [46]

Answer:

The heat of reaction when hydrogen and oxygen combine to form water is :

<u>C. 571.6 kJ</u>

Explanation:

Enthalpy Change = The enthalpy change for the formation of 1 mole of the substance from their standard state is called the enthalpy of formation.

This is intensive quantity as it is fixed for 1 mole .

Intensive properties = Those properties which are independent on the amount of the substance are intensive properties.

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However , the enthalpy of reaction is extensive. Because on increasing the amount the value of the enthalpy also get doubles

Hence for this reaction :

2H_{2}(g)+O_{2}\rightarrow 2H_{2}(l)

Its value is -285.8 kJ for 1 mole

And here two moles are present . so the value of molar enthalpy is:

-285.8 x 2 = -571.6 kJ

8 0
3 years ago
A solution is prepared by dissolving 0.23 mol of benzoic acid and 0.27 mol of sodium benzoate in water sufficient to yield 1.00
Monica [59]

Answer:

The pH does not decrease drastically because the NaOH reacts with the <u>D) Benzoic acid</u> present in the buffer solution.

Explanation:

The hydroxide ions will react with acidic part of the solutions, it means the benzoic acid, so it will form the conjugate base, the benzoate ion.

7 0
3 years ago
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