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djverab [1.8K]
3 years ago
12

Why is it important to analyze data?

Chemistry
1 answer:
gayaneshka [121]3 years ago
7 0

Answer:

It is important to analyze data to further understand what's going on. By analyzing data, you know more about what you are investigating. Without analyzing data, you may find it harder to figure something.

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You wish to construct a buffer of pH=7.0. Which of the following weak acids (w/ corresponding conjugate base) would you select?
Alex17521 [72]

Answer:

C.) HOCl Ka=3.5x10^-8

Explanation:

In order to a construct a buffer of pH= 7.0 we need to find the pKa values of all the acids given below

we Know that

pKa= -log(Ka)

therefore

A) pKa of  HClO2 = -log(1.2 x 10^-2)

=1.9208

B) similarly PKa of HF= -log(7.2 x 1 0^-4)= 2.7644

C)  pKa of HOCl= -log(3.5 x 1 0^-8)= 7.45

D) pKa of HCN = -log(4 x 1 0^-10)=  9.3979

If we consider the  Henderson- Hasselbalch equation for the calculation of the pH of the buffer solution

The weak acid for making the buffer must have a pKa value near to the desired pH of the weak acid.

So, near to value, pH=7.0. , the only option is HOCl whose pKa value is 7.45.

Hence, HOCl will be chosen for buffer construction.

3 0
3 years ago
What is the subscript of Carbon in Isovaleric acid C5H10O2
muminat
You should use g I recommend bro it’s quick and easy to used:) irkedb s wendndj
7 0
2 years ago
Are all glucose molecules chemically identical?
CaHeK987 [17]

Answer:

starch: A soft white chemical made by all green plants. It’s a relatively long molecule made from linking together a lot of smaller, identical building blocks — all of them glucose, a simple sugar. Plants and animals use glucose as an energy source. Plants store that glucose, in the form of starch, as a reserve supply of energy.

Explanation:

3 0
2 years ago
Which element exhibits a crystalline<br> structure at STP?<br> 1)F<br> 2)CI<br> 3)Br<br> 4) I
umka21 [38]
It would be F only because I wouldn’t make sense CI doesn’t exhibit crystalline neither does BR so F
6 0
3 years ago
What leads to the formation of gallstones?
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An imbalance in the chemical make-up of bile inside the gallbladder.
3 0
3 years ago
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