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Pavlova-9 [17]
3 years ago
8

What causes pressure inside a helium balloon?

Chemistry
1 answer:
kupik [55]3 years ago
7 0

Explanation:

So the gas pressure of a helium balloon arises from the impact of the collisions of the helium atoms between themselves and with the inside surface of the balloon. Of course, the outside atmosphere similarly exerts a pressure on the outside of the balloon.

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The speed of sound through air at 20°C is 343 meters per second. The speed of sound through fresh water at 20°C is 1,482 meters
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Answer:

C. 5960 meters per second

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What is the molar mass of CaSO4 ?
defon
<span>136.14 g/mol    </span><span><span>Calcium sulfate, Molar mass</span></span>
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Sonia was experimenting with electric charges. She tied two inflated balloons together, held them next to each other, and rubbed
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A 0.02 molar solution of sodium chloride contains 0.1 mole of solute. What is the volume of the solution
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Answer:

Volume of solution = 5 L

Explanation:

Given data:

Molarity of solution = 0.02 M

Moles of solute = 0.1 mol

Volume of solution = ?

Solution:

Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.

Formula:

Molarity = number of moles of solute / L of solution

by putting values,

0.02 M = 0.1 mol / volume of solution

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C

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