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Zina [86]
2 years ago
10

In Chemistry, a group of students have been presented with 2 test tubes. In both test tubes they observed bubbles rising up in a

clear liquid. They are told that hydrogen gas has been produced in one test tube, while carbon dioxide was produced in the other. During this test they have been instructed to collect the gases from each reaction and identify them. How could the students collect and identify the hydrogen gas?
Chemistry
1 answer:
Andru [333]2 years ago
3 0

Answer:

Diatomic, or two atoms per molecule, hydrogen can be isolated by electrically separating distilled water. This process is known as electrolysis and creates oxygen gas as well. It is by far the easiest and safest way to collect and store hydrogen gas

Explanation:

im not sure this the correct answer but here u go

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Answer:

We can make 10 percent solution by volume or by mass. A 10% of NaCl solution by mass has ten grams of sodium chloride dissolved in 100 ml of solution. Weigh 10g of sodium chloride. Pour it into a graduated cylinder or volumetric flask containing about 80ml of water.

Explanation:

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Calculate the mass of nitrogen dissolved at room temperature in an 95.0 LL home aquarium. Assume a total pressure of 1.0 atmatm
harina [27]

Answer:

86.3 g  of N₂ are in the room

Explanation:

First of all we need the pressure from the N₂ in order to apply the Ideal Gases Law and determine, the moles of gas that are contained in the room.

We apply the mole fraction:

Mole fraction N₂ = N₂ pressure / Total pressure

0.78 . 1 atm = 0.78 atm → N₂ pressure

Room temperature → 20°C → 20°C + 273 = 293K

Let's replace data: 0.78 atm . 95L = n . 0.082 . 293K

(0.78 atm . 95L) /0.082 . 293K = n

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8 0
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Balance the following chemical equation: <br> ___HCO + ___O —&gt; ___H2 + ___CO3
yawa3891 [41]

Answer: 2HCO + 4O → H2 + 2CO3

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Reaction Type: SINGLE REPLACEMENT

***If you found my answer helpful, please give me the brainliest, please give a nice rating, and the thanks ( heart icon :) ***

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