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Anastaziya [24]
3 years ago
14

its not a question but i wanted to tell you guys that if you guyz like my answers then please don't forget to give like and foll

ow at the same time. I am not forcing you to follow only if you guyz like my answer then like or follow. THANKS FOR READING..​
Chemistry
2 answers:
alexandr1967 [171]3 years ago
7 0

Answer:

Sure I'll go ahead and like your answers and follow you if that's what you wanted! :)

Explanation:

Kruka [31]3 years ago
5 0

Answer:

thank you for this oibnki

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A certain half-reaction has a standard reduction potential -1.33V . An engineer proposes using this half-reaction at the anode o
Paha777 [63]

Answer:

a. -0.63 V

b. No

Explanation:

Step 1: Given data

  • Standard reduction potential of the anode (E°red): -1.33 V
  • Minimum standard cell potential (E°cell): 0.70 V

Step 2: Calculate the required standard reduction potential of the cathode

The galvanic cell must provide at least 0.70V of electrical power, that is:

E°cell > 0.70 V    [1]

We can calculate the standard reduction potential of the cathode (E°cat) using the following expression.

E°cell = E°cat - E°an   [2]

If we combine [1] and [2], we get,

E°cat - E°an > 0.70 V

E°cat > 0.70 V + E°an

E°cat > 0.70 V + (-1.33 V)

E°cat > -0.63 V

The minimum E°cat is -0.63 V and there is no maximum E°cat.

3 0
3 years ago
Is the following compound symmetrical going across?
Nataliya [291]

Answer:

Yes

Explanation:

A molecule has a center of symmetry when, for any atom in the molecule, an identical atom exists diametrically opposite this center an equal distance from it(Wikipedia).

A center of symmetry is said to exist in a molecule when reflection of all parts of the molecule through the center of symmetry produces an indistinguishable configuration(Housecroeft and Sharpe,2012)

Obviously, the Cl2 molecule has a center of symmetry, hence it is symmetrical. Reflection of the molecules through its center of symmetry produces an indistinguishable configuration.

7 0
3 years ago
In potassium-argon dating, how does the proportion of remaining potassium in a rock or fossil change over time?
lara [203]

Answer:

what was the answer?

Explanation:

8 0
3 years ago
Read 2 more answers
Please help me ASAP I’ll mark Brainly
mixer [17]

Answer:

cell

chloroplast and cell wall

nucleus

life processes

cell membrane

shape and size

vacuole

Hope it helps

5 0
3 years ago
A chemical change in which a single compound is broken down into two or more simpler products.
andreyandreev [35.5K]

Answer:

Decomposition or cracking

Explanation:

Decomposition reaction is a chemical change in which a single compound is broken down into two or more simpler products.

  For example;

                   A     →    B   +  C

 The driving force of such reaction is the high positive heat of formation of the compound which indicates that they are highly unstable.

Some stable compounds also decompose when subjected to high temperature and pressure.

5 0
3 years ago
Read 2 more answers
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