Yes it’s true because of the size of the circle
- The meaning of this excerpt is that the walk from prison to scaffolding seemed a long and treacherous journey to Hester
Scarlet letters was a book written in the Puritan Massachusetts Bay Colony from 1642-1649. The book is about a woman called Hester Prynne, who had a female child via an affair and had to live a hard life to make a new life of repentance and dignity.
The statement above means that the journey of Hester was not an easy one as it was long, tiring and betrayals along the way but she still kept moving.
Conclusively we can say that Hester hard a very hard life full with struggles, betrayals, but she still kept moving.
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Answer:
Based on Pauling Scale, electro negativity of Cl = 3.2, Na = 0.9 and H = 2.1
Explanation:
Thus, Electronegativity difference in Cl2 = 3.2 -3.2 = 0
Electronegativity difference in NaCl = 3.2-0.9 = 2.3
Similarly, Electronegativity difference in HCl = 3.2 - 2.1 = 1.1
Thus, among the listed molecules following is the decreasing order of electronegativity difference: NaCl> HCl > Cl2
The weight percent is of caffiene is 7.98%.
There are several ways of expressing concentration in chemistry. One of the methods of expressing concentration is by the use of percentage.
In this case, we want to obtain the percent weight/weight concentration of caffeine in benzene.
From the question, we can see that;
Mass of solute = 6.5 g
Mass of solvent = 75 g
percent w/w = mass of solute/ mass of solute + mass of solvent × 100/1
percent weight of caffeine=
6.5/6.5 + 75 × 100/1 =7.98%
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