What are surface currents? What drives them?

Chemistry

1 answer:

weeeeeb [17]3 years ago

8 0

Answer:

Surface currents in the ocean are driven by global wind systems that are fueled by energy from the sun. Patterns of surface currents are determined by wind direction, Coriolis forces from the Earth's rotation, and the position of landforms that interact with the currents

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294 g of potassium dichromate contains 52 g of chromium and 39 g of potassium. What is the mass percent of oxygen in the compoun

xenn [34]

The answer is 69.048%.

Mass of potassium dichromate (K₂Cr₂O₇) is 294 g, which is a 100%.

Given mass of chromium is 52 g. So, the mass percent of chromium in the compound is 17.687%:
52 g : x% = 294 g : 100%
x = 52 ÷ 294 × 100 %
x = 17.687%

Given mass of potassium is 39 g. So, the mass percent of potassium in the compound is 13.265%:
39 g : x% = 294 g : 100%
x = 39 ÷ 294 × 100 %
x = 13.265%

Therefore, the mass percent of oxygen in the compound is 69.048%:
100% - 17.687% - 13.265% = 69.048%.

5 0

4 years ago

Under certain conditions, neon (Ne) gas diffuses at a rate of 4.5 centimeters per second. Under the same conditions, an unknown

Eva8 [605]

Mv^2 = const
m ~ 1/v^2 

(4.5/10.1)^2 = 0.198 

20.2 * 0.198 = 4.0 g/mol (Helium)

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4 years ago

Read 2 more answers

Which of the following pairs of elements would most likely combine to form a salt?

Delvig [45]

B.sodium and aluminum

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3 years ago

Arachidonic acid and pge1 are both carboxylic acids with atoms. the differences are that arachidonic acid contains and no other

hichkok12 [17]

Answer:
Arachidonic Acid and PGE₁ are both carboxylic acids with Twenty Carbon atoms. The differences are that Arachidonic acid contains Four cis Double Bonds and no other functional groups, whereas PGE₁ has One Trans Double Bond, Two Hydroxyl and One Ketone Functional Groups.. In addition, a part of the PGE₁ chain forms a Five Membered Ring.

Structures of Both Arachidonic Acid and PGE₁ are shown Below,