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Veseljchak [2.6K]
3 years ago
14

What is the relative rate of effusion for hydrogen iodide (128 g/mol) compared to gaseous hydrochloric acid (36.5 g/mol)

Chemistry
1 answer:
MArishka [77]3 years ago
8 0

This question is hard but I found the answer from merit nation

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Answer this ASAP please!! Question: How many magnesium atoms does magnesium oxide need? (Science) (ONLY ANSWER IF YOU KNOW WHAT
aliina [53]

Answer:

40.3 for the unit that represents the minimum amount of magnesium oxide I beilieve.

Explanation:

Magnesium atoms are heavier than oxygen atoms, so we expect more than 50% of magnesium in the weight composition. Taking just one atom of Mg and one atom of O you will get a mass of 16.0 + 24.3 = 40.3.

Hope this helps! Please tell me if you have any questions :))

7 0
2 years ago
What is the source of fuel that is most widely used today?
34kurt
The <span>source of fuel that is most widely used today is Natural gas. The answer is letter C. The rest of the choices do not answer the question above,</span>
8 0
3 years ago
Thủy phân este trong môi trường kiềm, thu được natri axetat và ancol metylic. công thức X là gì?
ValentinkaMS [17]

Correct option is B ethyl ethanoate

The following compound is ester R−COO−R ′ and the naming of ester are done on the basis of alkanoate group (R−COO−) and alkyl (R ′ ) combined to form ester.The suffix for ester is "-oate". The full name of ester is like alkyl alkanoate. Thus the name of given compound is ethyl ethanoate.

<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em><em> ❤️</em>

3 0
3 years ago
Mole are in 5.1 grams of beryllium ?
chubhunter [2.5K]
5.1/9.01 ≈ 0.566 moles
7 0
3 years ago
Idk y my teacher thinks Ik what this is so I need help asap
lara [203]
2 H₂ + O₂ −−−> 2 H₂O
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