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BartSMP [9]
3 years ago
6

Read “The Ozone Hole” and answer the question below. List at least three scientific disciplines related to chemistry mentioned o

r alluded to in the article.
Chemistry
2 answers:
lys-0071 [83]3 years ago
8 0

Answer:

atmospheric science

environmental science

climate science

biology

astronomy

human physiology and medicine

kirill115 [55]3 years ago
4 0

Answer:

Choose any of these and it should be correct:

-atmospheric science

-environmental science

-climate science

-biology

-astronomy

-human physiology and medicine

Explanation:

I just had this question on edgenuity, this is what came up as correct. I hope this helps

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Which of these ions will spontaneously react with ni(s) in solution? which of these ions will spontaneously react with in soluti
pickupchik [31]
Nickel metal will react spontaneously with the aqueous lead solution [Pb2+(aq)]. 

Oxidation is a chemical reaction involving the loss of electrons. In the reactivity series of metals, chromium, barium, and lithium are more reactive or more easily oxidized than nickel. 

In the given problem, because nickel is in its elemental (solid metal) form, for it to react with the solution, it will have to be converted into its cationic form (which is positively-charged) by losing electrons. However, if the solution that nickel is reacted with is more easily oxidized compared to nickel, then the reaction will not be spontaneous because nickel is stable in this case. 

On the other hand, if nickel is immersed in a solution of a metal which is more stable than it is, such as lead, nickel will be oxidized and lose its electrons to the more stable metal. The more stable metal in solution will accept the lost electrons of nickel and form a solid deposit, while nickel will be in its ionic form in solution. 

Below is a reaction between nickel metal and aqueous lead nitrate solution. 


6 0
3 years ago
Moby eats three-sixths of a pizza. Which fraction is equivalent to three-sixths?​
katen-ka-za [31]

Answer:

1/2

Explanation:

Half of 6 is 3 so therefore it is a half.

4 0
3 years ago
(6.21×10^3)(0.1050) <br><br>(Scientific Notation)
mel-nik [20]
6.21 x 10^3 = (Move decimal point 3 spaces to the right)

6210

6210 (0.1050)

652.05
3 0
3 years ago
A gas is initially at a pressure of 4.7 atm and a volume of 7.5 L. When the volume is increased to 10.5 L, what is the new press
Roman55 [17]

Answer:

P2=3.36 atm

Explanation:

P1×V1=P2×V2

P1×V1÷V2=P2×V2÷V2

P2=4.7×7.5÷10.5

P2=3.36 atm

5 0
3 years ago
Which of the following are examples of chemical changes? Select all that apply.
Natali5045456 [20]

Answer:

b. milk spoiling and c. firecrackers exploding

Explanation:

These are both chemical changes, the composition of them change when this happens and it cannot be reversed

6 0
2 years ago
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