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2 years ago

What is an examole of mass

Chemistry

1 answer:

Roman55 [17]2 years ago

4 0

A bowling ball weighing 7 pounds

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Why the mixture should not be strongly heated during sublimation

daser333 [38]

Answer:

because strong heated makes temperatures and pressures reach the substance's triple point in its phase diagram, So the substance can be in a liquid case , and that is against the sublimation process meaning

which define as the transition of a matter or a substance from the solid phase to the gas phase directly, without passing through the intermediate liquid phase

sublimation process happens by absorbing of heat which makes molecules overcome attractive force between each other and changing to gas phase

but in the previous case it will pass through the liquid phase so it will not be sublimation process any more

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2 years ago

Bond formed by the sharing of electrons between atoms.

erica [24]

The bond formed between two or more electrons of different atoms is called a COVALENT BOND.

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3 years ago

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3. At a pressure of 405 kPa, the volume of a gas is 6.00 cm

monitta

The pressure gets increased to 486 kPa from 405 kPa, when the volume is decreased from 6 cm³ to 4 cm³.

Explanation:

In the present problem, the temperature is said to remain at constant and there is change in the pressure. So according to Boyle's law, the relationship between pressure and volume of any gaseous objects are inversely related to each other. In other words, the pressure attained by gas molecules in a container will be inversely proportional to the volume of the gas molecules occupied in the container, at constant temperature.

$V=\frac{1}{P}$

So, if two volumes V₁ and V₂ are considered, then their respective pressure will be represented as P₁ and P₂. Then, as per Boyle's law,

$V_{1}P_{1}=V_{2}P_{2}$

So let us consider, V₁ = 6 cm³ and V₂ = 4 cm³ and pressure P₁ = 405 kPa and we have to determine P₂.

Then, $6*405=5*P_{2}\\ \\P_{2}=\frac{2430}{5} =486 kPa$

So, the pressure at new volume of 4 cm³ is 486 kPa. It can be seen that as there is decrease in the volume, there is an increase in the pressure. So it satisfied the Boyle's law.

Thus, the pressure gets increased to 486 kPa from 405 kPa, when the volume is decreased from 6 cm³ to 4 cm³.

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3 years ago

I think its D but i not sure so can yall pls help me

kodGreya [7K]

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I'm not really sure but I thinks its

A:veuns

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2 years ago

Name two example of oxygenase

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Air sksksks and I oop-

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