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3 years ago

Which is not a property of a gas? * exert pressure high density High compressibility readily soluble

Chemistry

1 answer:

MaRussiya [10]3 years ago

7 0

Explanation:

A gas is state of matter in which there is large intermolecular distance and hence, a weaker molecular force of attraction in comparison to solids and liquids. therefore, it impart certain properties to gases which are uncommon in solids and liquids

Properties of a gas includes:

Exert pressure on the container

Highly compressible

Low density

and readily soluble in other mediums

Hence, high density is not a property of a gas.

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Earth systems can interact quickly or over long periods of time. Give an example of how Earth can change quickly and an example

masha68 [24]

Answer:

Earth is made of several subsystems or "spheres" that interact to form a complex and continuously changing whole called the Earth system. to thousands of kilometers, and on time scales that range from milliseconds to billions of years of the Earth; earthquake; Examples of long term - making coal; plate tectonics

Explanation:

3 0

2 years ago

___________occurs when a liquid gains enough energy to become a gas

podryga [215]

Answer:

Vaporization

Explanation:

5 0

2 years ago

True or false:

Leno4ka [110]

The statement “The mechanical advantage of a compound machine is equal to the one simple machine that has the greatest mechanical advantage” is TRUE. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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3 years ago

Which of the following developments would most likely occur if average summer air temperatures in the Arctic increased by 4°C?

s344n2d4d5 [400]

Answer:

A. Increase in permafrost thickness

Explanation:

<u>Climate warming (like of 4°C) would increase the active layer thickness (ALT) of permafrost</u>, which can cause changes in the hydrological cycle, ecological processes, and carbon flux in cold regions.

4 0

2 years ago

Determine the mass of carbon iv oxide ,produced on burning 104g of ethyne

mars1129 [50]

163 grams (3 sig. fig.).

<h3>Explanation</h3>

Formula of <em>carbon(IV) oxide</em> (a.k.a. carbon dioxide): $\text{CO}_2$ .
Molar mass of $\text{CO}_2$ : $\underbrace{12.01}_{\text{C}} + 2\times\underbrace{16.00}_{\text{O}}=44.01\;\text{g}\cdot\text{mol}^{-1}$ .

Formula of ethyne: structural $\text{H}-\text{C}\equiv\text{C}-\text{H}$ or molecular $\text{C}_2\text{H}_2$ .
Molar mass of $\text{C}_2\text{H}_2$ : $2\times\underbrace{12.01}_{\text{C}}+2 \times\underbrace{16.00}_{\text{O}} = 56.02\;\text{g}\cdot\text{mol}^{-1}$ .

All carbon atoms in that 104 grams of ethyne will end up in $\text{CO}_2$ . Number of moles of molecules in 104 grams of ethyne:

$n = \dfrac{m}{M} = \dfrac{104}{56.02} = 1.85648\;\text{mol}$ .

There are two carbon atoms in each ethyne molecule. Number of carbon atoms in that many ethyne molecules:

$n(\text{C}) = 2\;n(\text{C}_2\text{H}_2) = 3.71296\;\text{mol}$ .

There are one carbon atom in each $\text{CO}_2$ molecule. In case oxygen is in excess, all those carbon atoms from that 104 grams of ethyne will make $n(\text{CO}_2) = n(\text{C}) =3.71296\;\text{mol}$ of $\text{CO}_2$ .

Mass of all those $\text{CO}_2$ molecules:

$m = n\cdot M = 163\;\text{g}$ . (3 sig. fig. as in the mass of ethyne.)

7 0

3 years ago