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klasskru [66]
3 years ago
13

The salt in seawater comes from (select all that apply):

Chemistry
2 answers:
emmasim [6.3K]3 years ago
5 0

Answer:

For the first one, it's B, C, and D. Hydrothermal vents on the seabed, Underwater volcanoes, and the breaking down of rocks.

Second question is C, Fresh water from the glaciers are melting into it.

Explanation:

  For the first answer, I can say that they all relate. Hydrothermal vents on the seabed usually break down rocks with their hot water, same as breaking down rocks and the underwater volcanoes as the broken down rocks they broke escape into the water, therefore making it salty.

  Second answer, the glaciers are frozen up ice, almost fresh water. So if they melted and mixed into the <u>salty ocean</u>, the ratio of salt and ocean will be different, as the amount of water will be<em> </em>cleaner.

I don't know the others, for this is how much I could help. Sorry if I didn't answer in time!!

Nat2105 [25]3 years ago
3 0

Answer:

Question 1:

B. Hydrothermal vents on the seabed   C. Underwater volcanoes   D. The breaking down of rocks

Question 2:

C. Fresh water from the glaciers are melting into it

Question 3:

D. Gulf Stream

Question 4:

All of them ( as in a b c and d)

I took the test C:

Hope this helps you :D

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What is Δn for the following equation in relating Kc to Kp?2 SO2(g) + O2(g) ↔ 2 SO3(g)23-2-11
san4es73 [151]

Answer:

-1

Explanation:

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K_p= K_c\times (RT)^{\Delta n}

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T is the temperature in Kelvins

Δn = (No. of moles of gaseous products)-(No. of moles of gaseous reactants)

For the first equilibrium reaction:

2SO_2_{(g)}+O_2_{(g)}\rightleftharpoons2SO_3_{(g)}

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4 0
4 years ago
A small hole in the wing of a space shuttle requires a 20.7-cm² patch.
cricket20 [7]

The Patch's area of the space shuttle in km² is 2.07 × 10⁻⁹ km²

Given, that a space shuttle requires a 20.7 cm² patch

We have to convert the patch's area from cm² into km².

Unit conversion is a method in which we multiply or divide with a particular numerical factor and then finally round off to the nearest significant digits.

Patch area of the space shuttle is 20.7 cm²

1 cm = 0.00001 km

or, 1 cm² = (0.00001 km)²

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The patch area in square kilometers is 2.07 × 10⁻⁹ km²

To learn more about unit conversion, visit: brainly.com/question/11543684

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