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Alina [70]
3 years ago
7

Differences in air pressure drive the global wind system on earth. Which term describes polar winds that blow from east to west?

Chemistry
1 answer:
marshall27 [118]3 years ago
6 0

Answer: Polar Easterlies

Explanation: Winds flow from high pressure areas to low pressure areas. They originate in the north and south pole creating high pressure zones which generates an outflow. This outflow is then directed from east to west and hence the term used to describe these winds is Polar Easterlies.

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What is the molarity of a 5.0 L solution that contains 0.5 moles of KNO3
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Answer:

Molarity of a 5.0 L solution that contains 0.5 moles of KNO3 is 0.1 M

Explanation:

Molarity : It is used to express the concentration of the solution and defined as total moles of solute present in one liter of solution .

Molarity =\frac{moles\ of\ solute}{volume\ of\ solution(L)}

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Volume of solution = 5.0 L

Substitute the value in given formula ,

Molarity =\frac{0.5\ moles }{5.0\ L}

on calculation,

Molarity = 0.1 mol/L

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(M = mol/L)

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