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3 years ago

Name the substance which occurs in all the physical states in nature?

Chemistry

2 answers:

Paraphin [41]3 years ago

6 0

Answer: water

For many centuries, it was considered that there were only three states of matter: solid, liquid and gas (the three that are present and stable in our world). And water is the substance that best represents them, because it is the only one that exists naturally in the three states.

Explanation: Matter can exist in one of three main states: solid, liquid, or gas.

Solid matter is composed of tightly packed particles. ...

Liquid matter is made of more loosely packed particles. ...

Gaseous matter is composed of particles packed so loosely that it has neither a defined shape nor a defined volume.

JulsSmile [24]3 years ago

6 0

Answer:

Water is the only common substance that is naturally found as a solid, liquid or gas. Solids, liquids and gases are known as states of matter.

Feel free to mark it as brainliest :D

Ignore this part unless you want to understand out of your syllabus:

However, if you take into account the fifth state of matter, Bose-Einstein Condensate, which has been recently discovered, there is no substance as such.

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Which description best characterizes the motion of particles in a solid?

Masja [62]

Answer:

D. Vibrating around fixed positions

Explanation:

It's right on edge

6 0

2 years ago

A sample of mercury has a mass of 607.0 lb and a volume of 0.717 ft. What is its specific gravity? Number SG= What are the units

stepan [7]

Answer:

Specific gravity of mercury is 13.56 and it is an unit-less quantity.

Explanation:

Mass of the mercury = m = 607.0 lb = 275330.344 g

1 lb = 453.592 g

Volume of the mercury = v = $0.717 ft^3=20,303.18 mL$

$1 ft^3 = 28316.847 mL$

Density of the mercury = d= $\frac{m}{v}=\frac{275330.344 g}{20,303.18 mL}$

d = 13.56 g/mL

Specific gravity of substance = Density of substance ÷ Density of water

$S.G=\frac{d}{1 g/mL}$

Specific gravity of mercury :

$S.G=\frac{13.56 g/mL}{1 g/mL}=13.56$ (unit-less quantity)

5 0

3 years ago

Convert 380 mmHg to atm.

tankabanditka [31]

Answer:

50662.5

Explanation:

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2 years ago

A solution containing 60 grams of nano3 completely dissolved in 50. Grams of water at 50°c is classified as being

Igoryamba

Answer:

A solution containing 60 grams of nano3 completely dissolved in 50. Grams of water at 50°c is classified as being supersaturaded

Explanation:

This question is about solubility.

Regarding solubility, the solutions may be classified as:

Unsaturated: the concentration is below the maximum concentration permited at the given temperature.

Saturated: the concentration is the maximum permitted at the given temperature, under normal conditions.

Supersaturated: the concentration has overcome the maximum permitted at the given temperature. This is possible only under special conditions and is a very unstable state.

Each substance has its own, unique solubility properties. So, in order to tell the state of the solution you need to compare with either solubility tables, or solubility curves; or run you own experiments.

In internet you can find the solubility curve of NaNO₃ showing the solubility for a wide range of temperatures.

In such curve the solubility of NaNO₃ at 50°C is about 115 g of NaNO₃ per 100 g of water.

Hence, do the proportion to determine the amount of solute that can be dissolved in 50 grams of water at 50°CÑ

115 g NaNO₃ / 100 g H₂O = x / 50 g H₂O ⇒ x = 57.5 g NaNO₃

Conclusion: 50 grams of water can contain 57.5 g of NaNO₃ dissolved; so, a solution containing 60 g of NaNO₃ completely dissolved in 50 grams of water is supersaturated.

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3 years ago

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morpeh [17]

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3 years ago

Name the substance which occurs in all the physical states in nature?​

Name the substance which occurs in all the physical states in nature?