Answer:
C6H14 < C6H13Br < C6H13OH < C6H12(OH)2
Explanation:
Hello,
In this case, since the solubility in water is related with the presence of polar bonds in the given molecules we can see that C6H12(OH)2 has the presence two O-H bonds which promote the highest solubility via hydrogen bonds as well as the C6H13OH but in a lower degree as only on O-H bond is present. Next since the bond C-Br in is slightly close to the polar bond C6H13Br rather than the C-C bonds only had by C6H14 we can infer that C6H13Br is more soluble in water than C6H14, therefore the required order is:
C6H14 < C6H13Br < C6H13OH < C6H12(OH)2
Whereas C6H12(OH)2 is the most soluble and C6H14 the least soluble in water.
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The answer should be (D) endothermic reaction.
Reason : - Reactions in which energy is absorbed are called endothermic reactions. In your provided question, 150 kcal energy is being <u>absorbed</u>, and thus, we can say that it is an endothermic reaction.
A, the power lines are what actually conducts (Or moves) the power.
It is NOT B or E, because wood is a terrible conductor. This is the reason it is used in homes, to make the heat, (Which is Electricity) stay inside, rather than letting it all pass through.
It is NOT C, because rubber, again, is a horrible conductor. Like wood, it is what we call an insulator, because it does not conduct heat. (or electricity) This is why we wear rubber gloves when doing electrical work.
D is an acceptable answer- Most metals are very good conductors of electricity. For example, have you ever seen a copper pan? It cooks very well, because copper is a very good conductor. Copper is a metal. This is why wire cutters have rubber handles, because the metal's conductivity could electrify the person holding it. The rubber, as I explained before, acts as a "Shield," keeping the person from getting electrocuted when cutting wires or working with electricity.
The option that would be appropriate to model nuclear fission is disturbing a drop of water such that it breaks into smaller droplets
Nuclear fission refers to the splitting of a heavy nucleus into lighter nuclei owing to the bombardment of small particle.
The liquid drop model provides the most apt model for describing the concept of nuclear fission. In nuclear fission, the nucleus breaks due to the increase in repulsion between the nuclear charges.
As the size of the nucleus continues to increase, any little disruption will; result in the breaking up of the nucleus into smaller fragment called daughter nuclei.
Hence, the model of disturbing a drop of water such that it breaks into smaller droplets is the most apt description of nuclear fission.
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