Answer:
The kinetic energy decreases
Explanation:
Firstly, it must be known that temperature is a measure of the average kinetic energy of the molecules. In a situation where there is an increase or decrease of temperature, it is expected that there would be an increase or also a corresponding decrease in the amount of kinetic energy.
In the question above , it was stated that the temperature had been decreased. In this case, it also means the average kinetic energy of the molecules have been decreased too. Increasing the volume is like giving them more space to travel. But this opportunity is left not utilized
Answer:
a)
1-Pentanamine
2-Pentanamine
3-Pentanamine
3-methyl-2-butanamine
3-methyl-1-butanamine
2-methyl-1-butanamine
2-methyl-2-butanamine
2,2-dimethyl-1-propanamine
b)
2-pentanamine
3-methyl-2-butanamine
2-methyl-1-butanamine
Explanation:
Amines are organic compounds derived from ammonia by replacing the hydrogen atoms, one at a time with carbon-containing groups. The functional groups are R-NH₂, R₂-NH, and R₃-N
Amines are classified into primary, secondary, or tertiary according to the number of substituted hydrogen.
From the given question.
A compound with the molecular formula C₅H₁₃N was given;
The possible eight structural formula of the compound and those that exhibit chirality can be seen in the attached image below.
Answer:
Explanation:
Dimensional analysis uses the fact that any number can be multiplied by one without changing its value.
You want to convert hectometres to metres, so you multiply the hectometres by a conversion factor that equals one.
For example, you know that hecto means "× 10², so
1 hm = 100 m
If we divide each side by 1 hm, we get 1 = 100 m/1 hm.
If we divide each side by 100 m, we get 1 hm/100 m = 1.
So, we can use either (100 m/1 hm) or (1 hm/100 m) as a conversion factor, because each fraction equals one.
We choose the former, because it has the desired units on top.
The calculation becomes
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