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Mariana [72]
3 years ago
13

PLEASE HELP ASAP!!!!!!!!

Chemistry
1 answer:
Pani-rosa [81]3 years ago
5 0

Answer:

ouch......it's kinda a practical question..

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A homogenerous mixture is a mixture where you can see the different parts.<br> True<br> or<br> False
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Answer:

the nwser is false

Explanation:

Its false becuase Homomogeneous means "One" and if you can see different parts of it then its not homogeneous. hope this helps!

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3 years ago
A gas occupies 4.31 liters at a pressure of 0.755 atm. Determine the Temperature
kakasveta [241]

A gas that occupies 4.31 litres at a pressure of 0.755 atm will have a temperature of 39.58°C. Details about temperature can be found below.

<h3>How to calculate temperature?</h3>

The temperature of a gas can be calculated using the following formula:

PV = nRT

Where;

  • P = pressure
  • V = volume
  • n = number of moles
  • R = gas law constant
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0.755 × 4.31 = 1 × 0.0821 × T

3.25 = 0.0821T

T = 3.25 ÷ 0.0821

T = 39.58°C

Therefore, a gas that occupies 4.31 litres at a pressure of 0.755 atm will have a temperature of 39.58°C.

Learn more about temperature at: brainly.com/question/11464844

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Propane gas (C3H8) burns completely in the presence of oxygen gas (O2) to yield carbon dioxide gas (CO2) and water vapor (H2O).
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If you have 5 unknowns and they were secondary alcohol aldehyde, carboxylic acid, amine, and alkane Put plan to identify the unk
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Answer:

the unknowns

Explanation:

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Why are negative ions usually larger than positive ions
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<span>In a negative ion, or anion, electron(s) have been added to the atom. This means </span><span>the like charges within the electron cloud are now repelling each other more </span><span>than they were before. The proton count, however, has not changed. So, the </span><span>electron cloud, in response to the added electron(s) expands with that extra </span><span>repulsion. the negative Ions will have gained an electron fill an electron </span><span>shell while a positive Ion will have lost an electron in order to shed its </span><span>outermost shell, thereby making the atom smaller.

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