Use the References to access important values if needed for this question. The Pauli Exclusion Principle tells us that no two el
1 answer:
The quantum numbers are used to describe the position of an electron in atom.
<h3>What are quantum numbers?</h3>The quantum numbers are used to describe the position of an electron in atom. I have attached a picture that shows the complete question.
For the 1s orbital;
n =1
l = 0
ml = 0
ms = ±1/2
For the 2s orbital;
n = 2
l = 1
ml = -1, 0, 1
ms = ±1/2
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Answer : The molar heat of solution of KCl is, 17.19 kJ/mol
Explanation :
First we have to calculate the heat of solution.
where,
q = heat produced = ?
c = specific heat capacity of water =
= change in temperature = 0.360 K
Now put all the given values in the above formula, we get:
Now we have to calculate the molar heat solution of KCl.
where,
= enthalpy change = ?
q = heat released = 460.8 J
m = mass of = 2.00 g
Molar mass of = 74.55 g/mol
Now put all the given values in the above formula, we get:
Therefore, the molar heat of solution of KCl is, 17.19 kJ/mol