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IgorC [24]
3 years ago
11

A major contributor to the “hole” in the ozone layer:

Chemistry
2 answers:
Sindrei [870]3 years ago
4 0

Answer:

I think it's D, the Polar Vortex.

nikklg [1K]3 years ago
4 0

Answer:

A

Explanation:

Chlorofluorocarbons (from aerosols, and a type of carbon!) are super damaging to the ozone layer and actually breaks down the ozone particles!

Sorry! Reposting bc my answer got deleted, I'm assuming it's because I had a link to my source!

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What is Avogadro's number?
ololo11 [35]
The Avogadro`s number is 6.022 × 10 ^ 23 or 6.0221409 × 10^23 
Avogadro`s number is the number of units in one mole of any substance :)))
i hope this be helpful 
* merry Christmas * 
4 0
4 years ago
Read 2 more answers
In a chemical reaction, a certain amount of hydrochloric acid reacts with 10 grams of sodium hydroxide to produce 19 grams of a
Bingel [31]
D, T<span>he total mass of hydrochloric acid used is less than 10 grams.

Conservation of mass, matter cannot be created or destroyed.</span>
3 0
3 years ago
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Erika is asked to create a model showing a negatively charged Carbon ion. Which model should she create?
OverLord2011 [107]
I am pretty sure u have pictures and this one should be the one that erika should make

8 0
3 years ago
How much energy does a 9 × 108 m wavelength photon have?
never [62]

Answer:

2.2 x 10⁻³⁴ J

      or

2.2 x 10⁻¹⁸ J

Explanation:

You can calculate the energy using the photon energy equation:

E = hc / λ

In this equation,

-----> E = energy (J)

-----> h = Planck's Constant (6.626 x 10⁻³⁴ J*s)

-----> c = speed of light (3.0 x 10⁸ m/s)

-----> λ = wavelength (m)

You can plug the given wavelength, along with the other constants, into the equation and simplify to find the energy.

E = hc / λ

E = (6.626 x 10⁻³⁴ J*s)(3.0 x 10⁸ m/s) / (9 x 10⁸ m)

E = 2.2 x 10⁻³⁴ J

I suspect that you may have forgotten the negative sign in front of the 8 (9 x 10⁻⁸). This would change your answer to 2.2 x 10⁻¹⁸ J.

5 0
2 years ago
What is the volume occupied by 0.255 mol of helium gas at 1.31 atm and 301 K?
KiRa [710]

Answer:

Solution 59P

n = 0.255 mol of He

P = 1.25 atm

T = 305 K.

V= ?

This can be found using ideal gas equation :

PV = nRT

V =

We know, gas constant (R) = 0.0821 L.atm mol-1 K-1.

= 5.10 L.

Hence, volume of He is 5.10 L

Explanation:

hope its helpful to u

8 0
3 years ago
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