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Ber [7]
3 years ago
14

Find the potential difference required to accelerate protons from rest to 10% of the speed of light. (at this point, relativisti

c effects start to become significant.)
Chemistry
1 answer:
elixir [45]3 years ago
5 0
I don't know much about the potential difference but I certainly can calculate the energy of the proton <span>from rest to 10% of the speed of light.

Special relativity tells us that "</span><span>the energy needed to accelerate a particle (with mass) grow super-quadratically when the speed is close to c, and is ∞ when it is c."

Expressed the theory in equation is as follows:
</span>
ENERGY  = rest mass × speed of light squared / (1−(“percent of speed of light”)squared ) <span> = mc2/(1-("percent of speed of light")2)
</span>
Just plug-in the values and you can now have the answer what you are looking for!
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How to find the density of a liquid given only volume and molecular weight?
aalyn [17]
If you’re given molecular weight, you know that density is mass/volume. You need to convert the molecular weight to volume. If you know what molecule it is, use the gram formula mass to convert it into grams.
3 0
3 years ago
The molar mass of the metal oxide M2O is 231.74 g/mol. What is the molar mass of the chloride of this metal?
Semenov [28]
The molar mass of the M2O = 2(molar mass of M) + molar mass of oxygen
Molar mass of oxygen = 16
Therefore:
231.74 = 2(molar mass of M) + 16
215.74 = 2*molar mass of M
molar mass of M = 107.87 grams

Now, from the given formula, we can notice that the metal M is monovalnet and we know that chlorine is monovalent as well.
Therefore, the compound formed will be: MCl
molar mass of chlorine = 35.5 grams
Therefore,
molar mass of MCl = 107.87 + 35.5 = 143.37 grams
5 0
3 years ago
Explain how you would expect the strength of
LekaFEV [45]

Answer:

  • <u><em>You should expect that the ionic bond in LiBr is stronger than the bond in KBr.</em></u>

<u><em /></u>

Explanation:

The<em> ionic bonds</em> are formed by the electrostatic attraction between the ions, cations and anions.

In KBr the cation is K⁺ and the anion is Br⁻.

In LiBr the cation is Li⁺ and the anion is Br⁻.

You must expect that the bond strength depends mainly on the charges present on each ion and the distance between them.

Nevertheless, the effect of the distance between the radius dominate the trendency of the bond strength, which makes that the ionic strength trend be related to the ionic radius trend.

Lithium is a smaller ion than Potassium (both are in the same group and Lithium is above Potassium).

Thus, you should expect that the Li ion is closer to the Br ion than what the K ion is to the Br ion and expect that the bond between a Li ion and the Br ion be stronger than the bond between the K ion and the Br ion.

6 0
3 years ago
H2O trong hóa học là gì? Ngoài đời là gì?
Feliz [49]

Answer:

Ký hiệu hóa học (xem thêm ký hiệu) cho nước. Mỗi phân tử nước chứa hai nguyên tử hydro (H) liên kết với một nguyên tử oxy (O).

The chemical symbol (see also symbol) for water. Each molecule of water contains two atoms of hydrogen (H) joined to a single atom of oxygen (O).

4 0
2 years ago
The reaction of 7.8 g benzene, C6H6, with excess HNO3 resulted in
Alex17521 [72]
Molar más: C6H6 =78 g/mol ;HNO3= 63g/ mol; C6H5NO2= 123
7 0
3 years ago
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