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krek1111 [17]
3 years ago
15

Giải thích tại sao chén sấy (hoặc chén nung) dùng chứa tủa phải xử lý cùng với điều kiện xử lý tủa? Thời gian sấy (hoặc nung) bắ

t đầu tính từ thời điểm nào? Giai đoạn sấy (hoặc nung) sau quá trình tạo tủa được gọi là giai đoạn gì? Sản phẩm của giai đoạn này được xử lý bước tiếp theo là gì trước khi thực hiện phép cân? Mục đích của bước xử lý này là gì?
Chemistry
1 answer:
nevsk [136]3 years ago
3 0
Hi how are you doing today Jasmine Jasmine
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Neon doesn't take part in chemical reaction why give reason​
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Question 10 OT 20
Airida [17]

Answer:

B) is reduced.

Explanation:

Oxidation:

Oxidation involve the removal of electrons and oxidation state of atom of an element is increased.

Reduction:

Reduction involve the gain of electron and oxidation number is decreased.

Consider the following reactions.

4KI + 2CuCl₂  →   2CuI  + I₂  + 4KCl

the oxidation state of copper is changed from +2 to +1 so copper get reduced and it is oxidizing agent.

CO + H₂O   →  CO₂ + H₂

the oxidation state of carbon is +2 on reactant  side and on product side it becomes  +4 so carbon get oxidized and it is reducing gent.

Oxidizing agents:

Oxidizing agents oxidize the other elements and itself gets reduced.

Reducing agents:

Reducing agents reduced the other element are it self gets oxidized.

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3 years ago
Choose all of the options that demonstrate how humans are impacting the water cycle.
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Answer:

A.) Air pollutants wash onto land and water bodies from precipitation

C.) Storm water runoff carries pollution

I hope I helped! ^-^

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