Why are the trade winds in the Southern Hemisphere southeasterly?

1 answer:

8 0

The surface air that flows from these subtropical high pressure belts toward the equator is deflected toward the West in both hemispheres by the Coriolis effect. These winds blow predominantly for the northeast in the northern Hemisphere and from the southwest in the Southern Hemisphere

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If two atoms of an element are isotopes, then they have a different

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Answer:

Number if neutrons

Explanation:

same number of protons, but some may have different numbers of neutrons. For example, all carbon atoms have six protons, and most have six neutrons as well. But some carbon atoms have seven or eight neutrons instead of the usual six. Atoms of the same element that differ in their numbers of neutrons are called isotopes. Many isotopes occur naturally. Usually one or two isotopes of an element are the most stable and common. Different isotopes of an element generally have the same physical and chemical properties. That's because they have the same numbers of protons and electrons.

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The answer is B.Let it sit

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Calculate the volume of a 2.30 mol/L solution of Na2CO3 that contains 0.325 mol of solute.

Blababa [14]

Answer:

141 mL is the volume of a 2.30 mol/L solution of Na₂CO₃ that contains 0.325 mol of solute.

Explanation:

Molarity is a measure of concentration of a solution that indicates the amount of moles of solute that appear dissolved in each liter of the mixture.

So 2.30 mol / L indicates that 2.30 moles dissolve in 1 L of solution. You want to know in what volume is contained 0.325 mol of solute. For this you apply the following rule of three: if 2.30 moles of solute are present in 1 L of solution, 0.325 moles in how much volume is it?

$volume=\frac{0.325 moles*1L}{2.30 moles}$