When is the Sun directly overhead in the continental United States?
2 answers:
Answer:
C never
Explanation:
Answer:
C.
Explanation:
The sun is directly overhead at noon on the equator on the first day of spring, and on the first day of fall. You would have to be less than 23.5 degrees above or below the equator to have the Sun pass directly overhead. Therefore, it never occurs in the continental US.
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Answer:
N,N-dimethylacetamide is formed.
Explanation:
It is an example of a nucleophilic addition-elimination reaction. Here dimethylamine acts as a nucleophile. In the first step , dimethyl amine gives nucleophilic addition reaction at carbonyl center of acetyl chloride. In the second step , removal of Cl atoms occurs. In the third step , deprotonation takes place from amino group to produce N,N-dimethylacetamide. Full reaction mechanism has been shown below.
Answer: no water
Explanation:
Answer:
7,9,11
Explanation:
this is because water includes 0H, which would mean that it is more than 6
To find amount of atoms from mol, multiply the mole amount by Avogadro’s number
B. A Tundra is less humid than a desert.
