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3 years ago

Why do solids maintain their volume and shape? cause-effect

Chemistry

2 answers:

SpyIntel [72]3 years ago

3 0

B.)because they are packet tight

babunello [35]3 years ago

3 0

Answer:

Because they are packet tight.

Explanation:

Solids maintain their volume and shape because they are packet tight.

A solid's particles fit closely together.
The forces between the particles are so strong that the particles can not move freely; they can only vibrate.
This causes a solid to be a stable, non-compressible shape with definite volume.

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<h2>Answer:</h2>

B) endothermic reaction.

<h2>Explanation:</h2>

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3 years ago

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13. which of the following states of matter has no definite shape but does have a fixed volume? a. liquid b. solid c. gas d. ele

lutik1710 [3]

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3 years ago

A sample of 8.11 g 8.11 g of solid calcium hydroxide is added to 38.0 mL 38.0 mL of 0.410 M 0.410 M aqueous hydrochloric acid. W

Andrews [41]

Answer:

The balanced chemical equation :

$Ca(OH)_2(s)+2HCl(aq)\rightarrow CaCl_2(aq)+2H_2O(l)$

Explanation:

When calcium hydroxide reacts with hydrochloric acid it gives calcium chloride and water as a products. The chemical equation is given as:

$Ca(OH)_2+2HCl\rightarrow CaCl_2+2H_2O$

According to question, solid calcium hydroxde is added to 38.0 mL of 0.410 M of HCl solution, so the chemical equation can be written as:

$Ca(OH)_2(s)+2HCl(aq)\rightarrow CaCl_2(aq)+2H_2O(l)$

According to stoichiometry, when 1 mole of solid calcium hydroxide reacts with 1 mole of hydrochloric acid to gives 1 mole of aqueous calcium chloride and 1 mole of water.

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3 years ago

Select the lewis structure for xeo2f2 which correctly minimizes formal charges.

IrinaVladis [17]

Answer:

explanation and image attached

Explanation:

Our aim is to draw a structure of XeO2F2 whith the least formal charges. We must remember that the compound has 34 valence electrons.

To obtain the least formal charges then Xe must have a total of twelve electrons on its valence shell instead of eight.

The other atoms around the central Xe atom are arranged as shown in the image attached.

Image Credit: UCLA

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3 years ago