SOCIAL STUDIES HIGH SCHOOL

Van der Waals forces are ________. Van der Waals forces are ________. Very strongly attractive to each other at short nuclear distances Very strongly repulsive to each other at long nuclear distances Very strongly repulsive to each other at short nuclear distances Very strongly attractive to each other at long nuclear distances

Answers

Answer 1
Answer:

Answer:

Van der Waals forces are very strongly repulsive to each other at short nuclear distances.

Explanation:

The Van der Waals forces are the short range forces which acts only for the order of intermolecular distances.

This force is attractive or repulsive between two molecules or atoms depending upon the distance of separation between them, it is repulsive for the distance of the order of size of the nucleus and attractive when the distance is short but larger than the order of size of nucleus.

Theses forces are comparatively weaker than the ionic or covalent bond. These forces are anisotropic in nature which means these do not depend on the orientation of the molecules.

Thus, the correct statement to fill the blank is "Van der Waals forces are very strongly repulsive to each other at short nuclear distances".

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Answers

Answer:

Anxiety

Explanation:

Anxiety is an emotion characterized by an unpleasant state of inner agitation, often accompanied by nervous behavior. It is the unpleasant feeling of terror at anticipated events. Anxiety is a feeling of restlessness and concern, generally widespread and unfocused, as an overreaction to a situation that is only subjectively seen as threatening. In this case Jane is nervous or suffering from anxiety about his job interview.

Read this sentence from the text:The Pony Express was the first rapid transit and the first fast mail line across the continent from the Missouri River to the Pacific Coast.

What does this sentence imply about the period in which the Pony Express developed?:

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Answers

The Pony express operated during 18 months from 1860 till 1861 and could reduce delivery time for messages , mail and newspapers by 10 days.

Question: What does this sentence imply about the period in which the Pony Express developed?:

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This sentence implies that the Pony Express was developed during a period in which "There was little need for rapid transit before the war" since it was the first of its kind. 

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Answers

Cells phones and the internet have both had the effect of making the world a better/faster place by increasing communication speeds. 

It depends on how you view these technologies as other answers would also probably be correct but generally it is true that they made the world a better/more connected place by increasing communication speeds.

I believe the answer is: better/faster ; Increasing

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This would allow people to achieve better understanding on each other's situation and reduce the amount of conflicts that could occur.

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Answers

Answer: The stage of the new product process occurs in the:

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Answers

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Answers

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