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castortr0y [4]
2 years ago
10

PCl5 is placed in a sealed container at an initial pressure of 0.0730 bar . What is the total pressure at equilibrium

Chemistry
1 answer:
Georgia [21]2 years ago
7 0

Answer:

wrong❌❌

question

wrong❌❌

question

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A certain half-reaction has a standard reduction potential +0.80 V . An engineer proposes using this half-reaction at the anode
Strike441 [17]

Answer:

a. Minimum 1.70 V

b. There is no maximum.

Explanation:

We can solve this question by remembering that the cell potential is given by the formula

ε⁰ cell = ε⁰ reduction -  ε⁰  oxidation

Now the problem states the cell must provide at least 0.9 V and that the reduction potential of the  oxidized species  0.80 V, thus

ε⁰ reduction -  ε⁰  oxidation ≥  ε⁰ cell

Since ε⁰  oxidation is by definition the negative of ε⁰ reduction , we have

ε⁰ reduction - ( 0.80 V )  ≥  0.90 V

⇒ ε⁰ reduction  ≥ 1.70 V

Therefore,

(a) The minimum standard reduction potential is 1.70 V

(b) There is no maximum standard reduction potential since it is stated in the question that we want to have a cell that provides at leat 0.9 V

8 0
3 years ago
Which item is made from an alloy? A. steel tray B. glass plate C. credit card D. copper wire
Naya [18.7K]

Not sure if this is correct but i would choose the steel tray.

6 0
3 years ago
Read 2 more answers
Determine the mass density, specific volume and specific weight of a liquid whose
irakobra [83]

the volume is 63 i hope it is

5 0
2 years ago
Help me (number 5).
olga55 [171]

Answer:

a. HF

Explanation:

6 0
3 years ago
What is the ph value of the produced solution when hcl reacts with naoh ?
algol13

Answer:

The answer to your question is: 7

Explanation:

The reaction between HCl and NaOH is a neutralization reaction, that means that the products will be water and a salt and the pH will be 7.

                     HCl + NaOH  ⇒  NaCl + H₂O

4 0
3 years ago
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