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kolbaska11 [484]
3 years ago
11

Write a nuclear equation for the formation of iron-54 through fusion

Chemistry
2 answers:
bazaltina [42]3 years ago
6 0

Answer: _{24}^{50}\textrm{Cr}+_2^4\textrm{He}\rightarrow _{26}^{56}\textrm{Fe}

Explanation:

Nuclear fusion : It is a process which involves the conversion of two small nuclei to form a heavy nuclei along with release of energy.

Nuclear fission : It is a process which involves the conversion of a heavier nuclei into two or more small and stable nuclei along with the release of energy.

The nuclear fusion reaction for the formation of iron-54 involves fusion of chromium with a alpha particle to produce iron.

The balanced nuclear reaction will be:

_{24}^{50}\textrm{Cr}+_2^4\textrm{He}\rightarrow _{26}^{56}\textrm{Fe}

defon3 years ago
3 0
Fe + heat ----> Fe_54 + + neutrons
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Answer:

b

Explanation:

3 0
3 years ago
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Which of the above buffers (acetic acid, formic acid, boric acid, ascorbic acid, tris) would be useful if you wished to maintain
s344n2d4d5 [400]

Answer:

To maintain a pH value of 8.8 in a particular solution the best option is Tris or boric acid.

Explanation:

To decide a good acid/conjugate base pair it is necessary to know the pKa of the acids because every buffer has an optimal effective range due to pH = pKa ± 1. The closer the working pH is to the acid pKa, the buffer will be more effective. Below is the list of the pKa of the different option.

Acetic acid: pKa = 4.76

Boric acid: pKa1 = 9.24 pKa2 = 12.74 pKa3 = 13.80

Ascorbic acid: pKa1 = 4.17 pKa2 = 11.57

Tris:  pKa = 8.06

Acetic and Ascorbic acid are too far from the range of 8.8. Thus the best options are boric acid or Tris. To define between these two it is necessary to consider other factors like interaction between components of the solution and the ionic strength required.

4 0
3 years ago
An object weighing 90 n has a volume of 45 ml and a mass of 9.0 g what is its density
UNO [17]
D= mass over volume

So, density equals 9.0g divided by 45ml.

SO, D=.25 g/ml

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By titration, it is found that 28.5 mL of 0.183 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the
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M1V1=M2V2

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*Text me at 561-400-5105 for private tutoring if interested: I can do homework, labs, and other assignments :)

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