It follows that the reaction is spontaneous at high temperatures Option A.
<h3>What is ΔS ?</h3>
The term ΔS is referred to as the change in the entropy of the system. Now recall that entropy is defined as the degree of disorderliness in a system. If a system is highly disorderly then it means that it has a high entropy. Also, ΔH has to do with the heat change that accompanies a reaction.
We know that both the entropy and the heat change can both either be positive or negative. Now we know that the equation ΔG = ΔH - TΔS can be used to ascertain whether or not a reaction will be spontaneous. If the result is negative, then the reaction will be spontaneous.
As such, when then it follows that the reaction is spontaneous at high temperatures Option A.
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The process scientists use is simple: dig, brush, repeat. Fossils can be found in areas that once had living organisms, like lakesides and lake bottoms. To protect them they use a chemical coating.
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The way most metamorphic rock<span> is formed. Change in </span>rock is the result<span> of metamorphism over a large area. </span>Type of rock<span> texture that </span>results<span> when </span>extreme pressure<span> causes minerals in metamorphic </span>rock<span> to realign, or when minerals separate out into dark and light bands.</span>
Structures of <span>
1-bromo-3-methyl-2-butene and </span>
2-bromo-3-methyl-2-butene are shown below.
It can be seen that <span>
1-bromo-3-methyl-2-butene is containing a C-H bond in which carbon is sp</span>² hybridized (i.e. =C-H) while such bonding is absent in
2-bromo-3-methyl-2-butene.
So, as we know that the peak of C-H stretching of alkenes is found in the region of 3010-3100 cm⁻¹ with medium intensity. Therefore,
1-bromo-3-methyl-2-butene will show this peak and
2-bromo-3-methyl-2-butene will lack this peak in IR spectrum.