There must be just one microstate, the solid must be ionic, and it must be completely crystalline.
The concept of entropy with examples.
A measure of the system's energy distribution's entropy. We come across evidence that the cosmos aims for the highest level of entropy in many facets of human life. A campfire is an example of entropy. Hard wood melts and transforms into ash, air, and fumes, all of which disperse energy faster than liquid fuel.
In what units is entropy measured?
J/K is the unit of measurement for entropy. The absolute, or Kelvin, digital thermometer must be used to calculate the heat required by this equation. On this scale, zero is the lowest possible temperature that any substance might experience. At absolute zero, all atom motion ceases, and the disorder in a substance is zero (0 K).
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The bond polarities of SiH₄ are polar. The molecular shape is tetrahedral. The molecule is nonpolar.
<h3>Explanation</h3>
As seen on the diagram, there are four Si-H bonds in a molecule of SiH₄. Electronegativity values:
The two atoms differ in electronegativity. As a result, the Si-H bond is polar.
There are four valence electrons in one Si atom. Each of the four electron will go to a Si-H bond. The Si atom in SiH₄ will have no lone pairs. The four Si-H bonds count towards four electron domains. As a result, the SiH₄ atom is tetrahedral.
Dipoles from each Si-H bond are equal. They are poised in a tetrahedral shape. As a result, their dipole balance each other. Overall, SiH₄ molecule will have no net dipole.
It’s either endothermic or exothermic
Answer is <span>
Ni²</span>⁺(aq)
+ 6NH₃(aq)
⇌ [Ni(NH₃)₆]²⁺<span>
</span>
<span>When the concentration of Ni²⁺</span><span>(aq) increases, according to the Le Chatelier’s principle
system tries to become equilibrium by reducing the increased factor. To do
that, the concentration of Ni²⁺</span><span>(aq) should be reduced. Hence, the forward reacted should be
promoted to reduce the Ni²⁺</span><span>(aq) concentration</span>.
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