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Alexus [3.1K]
3 years ago
10

Part A Transmutation is the process of transforming one element into another through nuclear reactions. What will be the nuclide

produced when Cf-249 is bombarded with C-12? Four neutrons are also produced by the reaction. View Available Hint(s) Transmutation is the process of transforming one element into another through nuclear reactions. What will be the nuclide produced when Cf-249 is bombarded with C-12? Four neutrons are also produced by the reaction. Rf-257 Rf-260 Rf-261 Fm-261
Chemistry
1 answer:
S_A_V [24]3 years ago
5 0

<u>Answer:</u> The isotope produced after the transmutation process of Cf-249 and C-12 is _{104}^{257}\textrm{Rf}

<u>Explanation:</u>

Transmutation is defined as the process where one chemical isotope gets converted to another chemical isotope. The number of protons or neutrons in the isotope gets changed.

The chemical equation for the reaction of Californium-249 nucleus with Carbon-12 nucleus follows:

_{98}^{249}\textrm{Cf}+_6^{12}\textrm{C}\rightarrow _{Z}^{A}\textrm{X}+4_0^1\textrm{n}

In a nuclear reaction, the total mass and total atomic number remains the same.

<u>To calculate A:</u>

Total mass on reactant side = total mass on product side

249 + 12 = A + 4

A = 257

<u>To calculate Z:</u>

Total atomic number on reactant side = total atomic number on product side

98 + 6 = Z + 0

Z = 104

Hence, the isotope produced after the transmutation process of Cf-249 and C-12 is _{104}^{257}\textrm{Rf}

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A mixture of helium and neon gases has a density of 0.6048 g/L at 48.7°C and 792 torr. What is the mole fraction of neon in this
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5 0
3 years ago
How many grams is 2.393 x 10^24 atoms of CI
Iteru [2.4K]

Answer:

There are 140.9 grams in 2.393*10²⁴ aotms of Cl.

Explanation:

Avogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023*10²³ particles per mole. Avogadro's number represents a quantity without an associated physical dimension, so it is considered a pure number that allows describing a physical characteristic without an explicit dimension or unit of expression. Avogadro's number applies to any substance.

Then you can apply the following rule of three: if 6.023*10²³ atoms are contained in 1 mole of the compound, 2.393*10²⁴ atoms are contained in how many moles?

amount of moles=\frac{2.393*10^{24} *1 mole}{6.023*10^{23} }

amount of moles= 3.973

If the molar mass of Cl is 35.453 \frac{g}{mole}, then the amount of mass that contains 3.973 moles can be calculated as:

3.973 moles*35.453 \frac{g}{mole}= 140.85 grams ≅ 140.9 grams

<u><em>There are 140.9 grams in 2.393*10²⁴ aotms of Cl.</em></u>

7 0
3 years ago
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