3 years ago

Why does ocean water near the equator warmer than the ocean water from the equator

1 answer:

7 0

The water is warmer near the equator because the equator is closer to the sun. The suns rays will hit the water at a closer distance.

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What is a magnetic field what does it do??

NikAS [45]

Answer:

attract things or hold them in place

Explanation:

a magnetic field is similar to gravity. Like gravity a magnetic field can hold or pull things.

5 0

3 years ago

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A solution contains 45 grams of nitrogen gas and 40 grams of argon. What is the mole fraction of argon in this solution?

Katarina [22]

<span>0.38

You first calculate the total moles by dividing the grams by molecular weight:
45 g N2 / 28.02 g/mol = 1.6 mol N2
40 g Ar / 39.95 g/mol = 1.0 mol

Then you divide the moles of Ar by the total number of moles:
1.0 / (1.6 + 1.0) = 0.38 mol fraction</span>

8 0

4 years ago

A sample of gas in a cylinder as in the example in Part A has an initial volume of 48.0 L , and you have determined that it cont

masya89 [10]

Answer:

0.45 moles

Explanation:

The computation of the number of moles left in the cylinder is shown below:

As we know that

$\frac{n1}{V1} = \frac{n2}{V2}$