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blsea [12.9K]
3 years ago
6

What is the lowest temperature that a subtance can reach

Chemistry
1 answer:
Damm [24]3 years ago
3 0

Answer: Theoretically: Absolute Zero

Explanation:

which is about -273.15 degrees Celsius

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The molecules which evaporate into the gas phase are the ones traveling with ________ velocity.
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3 years ago
What volume (in L) of oxygen will be required to produce 77.4 L of water vapor in the reaction below?
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Answer:

For the production of 77.4 L water 90.3 L oxygen is required.

Explanation:

Given data:

Volume of oxygen required = ?

Volume of water produced = 77.4 L

Solution:

Chemical reaction equation:

2C₂H₆ + 7O₂  →  4CO₂ + 6H₂O

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There are 7 moles of oxygen = 7×22.414 = 156.9 L

Now we will compare the litters of water and oxygen:

                              H₂O           :              O₂    

                              134.5         :              156.9

                                77.4         :             156.9/134.5×77.4 =90.3 L

So for the production of 77.4 L water 90.3 L oxygen is required.

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4 0
3 years ago
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