Answer is attached below ( sorry for mistake )
C because the volume of gas at 2.000 atm is 9.38L original volume was 3000l
Answer:
A
Explanation:
particles are frozen and hence will vibrate in their fixed positions
Answer:
pH = 6.82
Explanation:
To solve this problem we can use the<em> Henderson-Hasselbach equation</em>:
- pH = pKa + log
![\frac{[NaOCl]}{[HOCl]}](https://tex.z-dn.net/?f=%5Cfrac%7B%5BNaOCl%5D%7D%7B%5BHOCl%5D%7D)
We're given all the required data to <u>calculate the original pH of the buffer before 0.341 mol of HCl are added</u>:
- pKa = -log(Ka) = -log(2.9x10⁻⁸) = 7.54
- [HOCl] = [NaOCl] = 0.500 mol / 0.125 L = 4 M
- pH = 7.54 + log
By adding HCl, w<em>e simultaneously </em><u><em>increase the number of HOCl</em></u><em> and </em><u><em>decrease NaOCl</em></u>:
- pH = 7.54 + log
![\frac{[NaOCl-HCl]}{[HOCl+HCl]}](https://tex.z-dn.net/?f=%5Cfrac%7B%5BNaOCl-HCl%5D%7D%7B%5BHOCl%2BHCl%5D%7D)
- pH = 7.54 + log
<h3>Redox Half reaction</h3>
At cathode
Mn^+2 + 2e- → Mn (reduction)
At anode
Fe → Fe^+2 + 2e- (oxidation)
<h3>Overall reaction</h3>
Mn^+2 + Fe → Mn + Fe
<h3>
How can one determine whether a reaction is a redox in nature?</h3>
1) Identify the reducing and oxidizing agents. To do this, we must determine their oxidation numbers.2) For oxidation and reduction, write half-reactions. To equalize the charges on both sides, we use electrons. Get the redox reaction, third. (1) and (2) can be combined to produce the redox reaction. The balanced redox reaction shouldn't have any electrons from the half-reactions.
<h3>
What does the term "redox reaction" mean?</h3>
One species is reduced and another is oxidized in redox reactions. As a result, the species in question must shift in oxidation state. These reactions play a crucial role in the production and usage of energy in a variety of living systems, including humans and energy storage devices (batteries).
Learn more about redox reaction here:-brainly.com/question/28023605
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