According to the principle, electrons fill orbitals starting at the lowest available energy states before filling higher states (e.g., 1s before 2s). The Madelung energy ordering rule: Order in which orbitals are arranged by increasing energy according to the Madelung Rule.
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Answer:
6 M
Explanation:
n = m/M
m= 60g
M(NaOH)= 23 + 16 + 1 = 40
n= 60/40 = 1,5 mol
Therefore c = n/ V = 1,5/ 0,250 = 6
There is no energy available to transfer to the surroundings when bonds break as it's an endothermic reaction.
<h3>What is Endothermic reaction?</h3>
This is the type of reaction in which heat is absorbed from the surrounding and is involved in the breaking of bonds.
There is no energy available to transfer to the surroundings when bonds break because it's needed in the conversion of the reactant to product in a chemical reaction.
Read more about Endothermic reaction here brainly.com/question/6506846
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The temperature will begin to rise until boiling and then it will remain the same.-.
I think that it is true to the bone