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Aliun [14]
2 years ago
11

I need help with this question...​

Chemistry
2 answers:
Novosadov [1.4K]2 years ago
8 0
I think it’s ax ..............
ivanzaharov [21]2 years ago
5 0
I’m guessing the answer is AX (the first one) sorry if I am wrong tho
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A
ValentinkaMS [17]

Answer: ...

Explanation:

8 0
2 years ago
Read 2 more answers
Which of the following refers to the horizontal rows of the periodic table?
maks197457 [2]

Answer:

B. Periods

Explanation:

The horizontal rows in the periodic table are periods.

on the picture below, u can see an example

4 0
3 years ago
Give the change in condition to go from a gas to a solid. Group of answer choices cool or increase pressure cool or reduce press
vfiekz [6]

Answer:

cool or increase pressure

Explanation:

  • For a gas to form solid. There must be reduced heat and pressure. The deposition of gas into solid occurs through the removal of thermal energy. The air looses thermal energy and changes into solid.
6 0
2 years ago
Sulfuric acid was once produced through the reaction of sulfur trioxide with water. Sulfur trioxide can form through the reactio
vekshin1

Answer 1) In the given reaction of sulfuric acid


2NO_{(g)} + O_{2}_{(g)} ---->  2NO_{2}_{(g)}


2NO_{2}_{(g)} + 2SO_{2}_{(g)} ---->  2NO}_{(g)} + 2SO_{3}_{(g)}


On addition of nitrogen monoxide gas the reaction rate increases and more amount of product is formed.


So, it is clear that NO is the catalyst in this reaction.


Answer 2) This can be proven that NO is catalyst because it increases the rate of the reaction, but it is not consumed during the reaction, and it also gets regenerated at the end of reaction.


Hence, nitrogen mono oxide is considered as the catalyst in the given reaction.


Answer 3) It increases the rate of reaction by decreasing the activation energy of the reaction. Also it can be clearly seen in this reaction the NO is reacting with oxygen to lower the energy of activation. So, it is providing an alternative pathway for proceeding the reaction. This all confirms the assumptions of NO being the catalyst.


2NO_{(g)} + O_{2}_{(g)} ---->  2NO_{2}_{(g)}

4 0
3 years ago
Read 2 more answers
Mary starts from her house, walks 80 meters south, and stops to chat with her aunt on the sidewalk. After chatting for a few min
Olenka [21]
(80+125+45) / 10 = 250/10 =25
25 meters per minute= 0.41 meters/second

the direction and stopping time is irrelevant to the problem.
6 0
3 years ago
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