Neptunium's only naturally occurring isotope, 23793np, decays by emitting one alpha particle, one beta particle, and one gamma r
1 answer:
The given isotope of Neptunium is
Alpha decay of an isotope results in daughter nuclide with mass number less by 4 units and atomic number less by 2 units than the parent isotope.
Alpha decay of Neptunium-237 can be represented as:
Beta decay of the above formed protactinium nuclide can be represented as:
Gamma decay releases only energy in the form of gamma rays, the nuclide remains the same.
γ
The new atom formed after the given decays is
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<u>Answer:</u> The initial pH of the HCl solution is 3
<u>Explanation:</u>
To calculate the concentration of acid, we use the equation given by neutralization reaction:
where,
are the n-factor, molarity and volume of acid which is HCl
are the n-factor, molarity and volume of base which is NaOH.
We are given:
Putting values in above equation, we get:
1 mole of HCl produces 1 mole of ions and 1 mole of
ions
To calculate the pH of the solution, we use the equation:
We are given:
Putting values in above equation, we get:
Hence, the initial pH of the HCl solution is 3