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2 years ago

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

Chemistry

2 answers:

ANTONII [103]2 years ago

6 0

If the cabin air pressure is lower, there is less air for unit volume.

I'm pretty sur this is correct. I hope this helped!

Natasha_Volkova [10]2 years ago

6 0

- Because there is an inverse relation between altitude and the number of gas molecules striking the outer surface of the bottle (pressure exerted on it).

- Therefore, when the bottle is taken to lower altitude, the number of gas molecules striking the outer surface of the bottle increases and so changing its shape..

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What mass of powdered drink mix is needed to make a 0.5 M solution of 100 mL?

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Answer:

There is 17,114825 g of powdered drink mix needed

Explanation:

Step 1 : Calculate moles

As given, the concentration of the drink is 0.5 M, this means 0.5 mol / L

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Step 2 : calculate mass of the powdered drink

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⇒ since powdered drink mix is usually made of sucrose (C12H22O11) and has a molar mass of 342.2965 g/mol.

0.05 mol = mass / 342.2965 g/mol

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Answer:

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