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4 years ago

Water molecules are listed from A to B to C in

Chemistry

2 answers:

Alex Ar [27]4 years ago

4 0

Answer: Option (B) is the correct answer.

Explanation:

A state of matter where molecules are held together by strong intermolecular forces of attraction are known as solid substances. As a result, they are unable to move from their initial place but they can vibrate at their mean position.

Hence, in solid substances the molecules have low kinetic energy.

In liquids, the molecules are held by less strong intermolecular forces of attraction as compared to solids. Due to which they are able to slide past each other. Hence, they have medium kinetic energy.

In gases, the molecules are held by weak Vander waal forces. Hence, they have high kinetic energy due to which they move rapidly from one place to another leading to more number of collisions.

Thus, we can conclude that water molecules are listed from A to B to C in least to greatest motion.

Mandarinka [93]4 years ago

3 0

The answer is B. You are correct.

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Which of the following phase changes only occurs in solids possessing vapor pressures above atmospheric pressure and at ambient

GuDViN [60]

Answer: The phase change process in which solids gets converted to gases is sublimation.

Explanation:

For the given options:

Option a: Condensation

It is a type of process in which phase change occurs from gaseous state to liquid state at constant temperature.

$Gas\rightleftharpoons Liquid$

Option b: Melting

It is a type of process in which phase change occurs from solid state to liquid state at constant temperature.

$Solid\rightleftharpoons Liquid$

Option c: Sublimation

It is a type of process in which phase change occurs from solid state to gaseous state without passing through the liquid state at constant temperature.

$Solid\rightleftharpoons Gas$

Option d: Deposition

It is a type of process in which phase change occurs from gaseous state to solid state without passing through the liquid state at constant temperature.

$Gas\rightleftharpoons Solid$

Hence, the phase change process in which solids gets converted to gases is sublimation.

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3 years ago

A container can hold 65g of water. circle the conversion factor needed to find the mass of water that 5 identical containers can

dezoksy [38]

Than you for posting your question here. I hope the answer helps.

The answer as to be grams (g) since you it is aske for mass. What you have for units is 1/g.

Very close. The factor is 5. 
answer is 5 * 65 g of water.

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3 years ago

Chalk markings cannot be easily rubbed off from a black board if kept for a long time.why?

snow_tiger [21]

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3 years ago

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Explanation:

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elena-14-01-66 [18.8K]

It’s 3 because iv done this before

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