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3 years ago

Why do solids maintain their shape, whereas fluids do not?

Chemistry

2 answers:

Wittaler [7]3 years ago

5 0

Answer: Option (d) is the correct answer.

Explanation:

In solids, the molecules are held more tightly due to the existence of strong intermolecular forces of attraction between its particles.

Hence, they have a definite shape and volume. So, these molecules are arranged in a regular pattern and they are able to vibrate at their position.

On the other hand in liquids, molecules are slightly away from each other as they are held by less strong intermolecular forces of attraction. Hence, liquids do not have a definite shape but they tend to occupy the shape of container in which they are placed.

Thus, we can conclude that solids maintain their shape, whereas fluids do not because the molecules in solids maintain a regular pattern and only vibrate, or move very slowly.

Vinvika [58]3 years ago

3 0

Solids maintain their shape, whereas fluids do not because <span>the molecules in solids maintain a regular pattern and only vibrate, or move very slowly. The correct option among all the options that are given in the question is the last option or option "d". I hope the answer has come to your help.</span>

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Answer:

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pshichka [43]

Answer:

a. Remaining at rest requires the use of ATP.

Explanation:

The resting membrane potential is maintained by the sodium-potassium pump. The sodium potassium pump does this by actively pumping sodium ions out of the cell and potassium ions inside the cell in a ratio of 3:2. This movement of ions by the sodium-potassium pump is against their concentration gradient. In a neuron at rest, there are more sodium ions outside the cell than there are inside the cell. Also, there are are more potassium ions inside the cell than there are outside the cell. However, there are ion channels through which these ions enter and leave the cell. Sodium ion channels allow sodium to enter the cell following its concentration gradient, whereas, potassium ion channels allow potassium to leave the cell following its concentration gradient. However, more potassium ions leave the cell than do sodium ions enter the cell because of the higher permeability of the cell to potassium ions.

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