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Llana [10]
3 years ago
11

Cần bao nhiêu gam KMnO4 và bao nhiêu mililit dung dịch axit clohiddric 1M để điều chế đủ khí clo tác dụng với sắt , tạo nên 16,2

5 G FeCl3
Chemistry
1 answer:
Verdich [7]3 years ago
6 0

Answer:

I don't know what you're saying cuz give me the brainless answer please

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Consider the reaction N2(g) + 3H2(g) ----> 2NH3(g). What is the effect of decreasing the volume of the contained gases?
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If the volume of a container is decreased, the temperature decreases, which means that the volume of a gas is directly proportional to its temperature

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What is the shorthand electron configuration for Ba2+​
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GivenL C2H2 + 5O2 ------> 4 CO2 + 2H2O
diamong [38]

Answer:

101 L

Explanation:

35.0 g KOH ÷ 56.09 g/mol KOH × (1 mol H2O/ 1 mol KOH) × 18 g/mol H2O = 11.2 g H2O

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35.0 g KOH is the limiting reactant

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7 0
3 years ago
Read 2 more answers
why was the mass lost when the reaction was done in the normal setup but stayed the same when it was done in the gas collection
german
<h2>Answer : Law of conservation of mass</h2><h3>Explanation :</h3>

The law of conservation of mass states that in any reaction mass is neither created nor lost it has to remain constant in a system.

In this case, when the reaction setup was done in normal way the mass was  lost in surrounding was not considered nor being calculated; whereas when the reaction was studied in a closed system where the gas was collected after the reaction the mass changes was noted down which helped to prove the point of law of conservation of mass and energy.

One can consider an example of soda can where the carbonated drink contains pressurized carbon dioxide gas. when opened the gas bubbles gets lost into the surroundings and we don't measure the mass changes. Instead if the soda can was opened in such a way where the gas evolved was measured then the mass changed would remain the same.

6 0
3 years ago
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