Nuclear fission is a process by which the nucleus of an atom is split into two or more smaller nuclei, known as fission products. The fission of heavy elements is an exothermic reaction, and huge amounts of energy are released in the process.
Answer:
[H+] =3.1 x 10-4 M more acidic
Explanation:
3.1 x 10-4 M >> 2.5 x 10-10 M,
so solution with [H+] =3.1 x 10-4 M has more H+ ions, and because of it, this solution is more acidic.
Water is a polar molecule because of its shape
It has only single bonds.So it is saturated
The enthalpy change accompanying the reaction of 0.95 g of S is -11.85 kJ
<h3>Further explanation</h3>
Given
ΔH° for the reaction is -790 kJ
Required
The enthalpy change
Solution
Reaction
2S (s) + 3O₂(g) = 2SO₃ (g)
mol of S(MW=32 g/mol) :
![\tt mol=\dfrac{0.95}{32}=0.03](https://tex.z-dn.net/?f=%5Ctt%20mol%3D%5Cdfrac%7B0.95%7D%7B32%7D%3D0.03)
For 2 mol S, the entalphy = -790kJ
The enthalpy change for 0.03 mol :
![\tt \dfrac{0.03}{2}\times -790~kJ=-11.85~kJ](https://tex.z-dn.net/?f=%5Ctt%20%5Cdfrac%7B0.03%7D%7B2%7D%5Ctimes%20-790~kJ%3D-11.85~kJ)