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erastova [34]
2 years ago
7

I have doubts about the air pollution puzzle. Can anyone help? Sarah replied, but I can't see her response

Chemistry
1 answer:
Eva8 [605]2 years ago
7 0

Answer:

wdym exactly?

Explanation:

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Large-scale environmental catastrophes _______.
Ymorist [56]

Answer:

D. All of the Above

Explanation:

i just took the test on edgenuity

3 0
3 years ago
A high ph value indicates:
mote1985 [20]
... indicates that it also has a high concentration of Hydroxide (OH) and that it is more basic.
8 0
2 years ago
What is a photon?
vlabodo [156]

Answer:

c

Explanation:

try it I'm 60%sur its this

8 0
2 years ago
Convert 18.9 moles to MgCl2 to formula units
Masja [62]

Answer:

18.9 moles of MgCl2 = 17.834 kg of MgCl2

Explanation:

The molecular weight of MgCl is 80.0 g/mol . So, to convert the given mole amount to grams, multiply this by this number, which is constant for all compounds with a specific composition (mass fraction).

Considering the original question was in the context of chemistry, I wanted to make it seem formal and more educational too. Hopefully that worked!  

EDIT: Came up with some text around what happens inside cells that would have made it better if someone just had an issue converting units, but I doubt my answer will be accepted >.<

3 0
2 years ago
What column(s) have 5 valence electrons?
kodGreya [7K]

Answer:

Group 15

Explanation:

The elements of group 15 (column) VA of the periodic table all have electron configurations of s2p3 , giving them five valence electrons. These elements include Nitrogen (N), Phosphorus (P), Arsenic (As), Antimony (Sb) and Bismuth (Bi).

6 0
3 years ago
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