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Oliga [24]
3 years ago
8

How many liters are in 20 grams of hydrogen gas?

Chemistry
1 answer:
motikmotik3 years ago
3 0

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Volume of 20 g of hydrogen at normal temperature and pressure (NTP) = 240.55 ml.

\huge\sf\underline{\underline{\red{❥︎ Thanks}}}

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The correct answer is Mercury

Explanation:

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4 years ago
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7 0
3 years ago
How many moles of oxygen atoms are present in 0.4 moles of oxygen gas​
Agata [3.3K]

Answer:

Each molecule of O2 is made up of 2 oxygen atoms. So 1 mole of O2 molecules is made up of 2 moles of oxygen atoms. Therefore 1 mole of oxygen gas contains 2 moles of oxygen atoms. And 0.4 moles of oxygen gas contains 0.8 moles of oxygen atoms.

4 0
3 years ago
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Which particles are equal in number for an atom with a neutral charge? ​
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Electrons and protons
4 0
3 years ago
If 1.85 g Al reacts with an excess copper(II) sulphate and the percentage yield of Cu is 56.6%, what mass of Cu is produced
timofeeve [1]
We have a balanced equation: 
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(Note that the units cancel out so you get the answer)

6.54 g Cu* (56.6/100)= 3.70 g Cu.

The final answer is 3.70 g Cu~
7 0
4 years ago
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