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Dennis_Churaev [7]
3 years ago
8

Which of these zones of the ocean is most hospitable to life?

Chemistry
2 answers:
vichka [17]3 years ago
6 0

Answer:

The correct answer is the epipelagic zone

Nat2105 [25]3 years ago
3 0
The answer is epipelagic zone
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3 years ago
Night visin cameras are sensitive to energies around 2.21 x 10-19 J. What wavelength of electromagnetic radiation do they use?
defon

Answer:

8.99×10^-7m

Explanation:

The wavelength can be calculated using the expression below

E=hcλ

Where E= energy= 2.21 x 10^-19 J.

C= speed of light= 3x10^8 m/s

h= planks constant= 6.626 × 10^-34 m2 kg / s

E=hcλ

λ= E/(hc)

Substitute for the values

λ=( 2.21 x 10^-19 )/(6.626 × 10^-34 × 3x10^8 )

= 8.99×10^-7m

6 0
3 years ago
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d1i1m1o1n [39]
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4 0
3 years ago
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How do I balance this equation? ?KNO3 → ?K2O + ?N2(g)+ ?O2(g) and what type of reaction is it?
nirvana33 [79]

Answer:

4KNO3 ==> 2K2O + 2N2 + 5O2

Explanation:

It's a decomposition, but not a simple one.

KNO3 ==> K2O + N2 + O2   I don't usually do this, but I think the easiest way to proceed is to  balancing the K and N together. That will require a 2 in front of KNO3

4KNO3 ==> 2K2O + 2N2 + 5O2

Now you have (3*4) = 12 oxygens. Two are on the K2O. So the other 10 must be on the O2

That should do it.

3 0
3 years ago
The global movement of air occurs in convection cells. In general,how does air move
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