Answer:
<u>In this reaction heat is released</u>
Explanation:
Exothemic Reactions : Those reactions in which heat is released when the products are formed .
For such reaction The enthalpy change is negative.
for exothermic reaction
Endothermic Reactions : Those reaction which proceed by absorbing heat . Here heat is absorbed. The enthalpy change for such reactions is positive.
When the direction of reaction reverses , the value of H also changes.
In the given reaction,

= heat is absorbed
So,

= heat is<u> released</u>
<u></u>
<u>E</u><em>xothermic reactions are more spontaneous as compared to endothermic ractions. This means that they proceed own their own . Only little amount of energy is supplied to exothermic reaction to produce the prodct.</em>
Answer:
Tilt of a planet's axis and its orbit around the sun.
Explanation:
hope this helps! :)
Answer:
See figure 1
Explanation:
In the structure of nylon 6,6 we have <u>amide groups</u>. In this functional group, We have a nitrogen bond to hydrogen, so in this bond, we will have a <u>dipole</u>, due to the <u>electronegativity difference</u>. Nitrogen has more electronegativity than hydrogen, therefore a <u>positive dipole</u> would be generated in the hydrogen atom. Additionally, in the <u>carbonyl group</u> (C=O) due to the oxygen, we will have also a <u>dipole</u>, in this case, a <u>negative dipole</u> because the oxygen atom has <u>more electronegativity</u> (compare with carbon).
When we put two strings of nylon 6,6 the positive dipole will interact with the negative dipole and vice-versa and we will obtain the <u>"hydrogen bonds"</u>.
See figure 1
I hope it helps!
This is what a proper adjective is.
Answer:
A very large amount of energy is produced from a series of chemical reactions.
Explanation:
Nuclear fission is the process of splitting apart nuclei (usually large nuclei). When large nuclei, such as uranium-235, fissions, energy is released. So much energy is released that there is a measurable decrease in mass, from the mass-energy equivalence. This means that some of the mass is converted to energy.