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ki77a [65]
3 years ago
14

Which statement about anabolism is true?

Chemistry
2 answers:
skelet666 [1.2K]3 years ago
8 0

Answer:

i would say B? Im sorry if im wrong

Explanation:

i think that because Catabolic reactions release energy, while anabolic reactions use up energy. Anabolism is the opposite of catabolism.

Anarel [89]3 years ago
3 0

Answer:

b

Explanation:

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A voltaic cell has one half-cell with a Cu bar in a 1.00 M Cu²⁺ salt, and the other half-cell with a Cd bar in the same volume o
Verizon [17]

The E^o_{cell} of the voltaic cell is 0.743 V. The ΔG°of the given cell is -143.377 kJ and K is 1.35 × 10²⁵

<h3>What is a voltaic cell?</h3>

A voltaic cell often called a galvanic cell, is an electrochemical device that produces electricity through spontaneous redox processes.

It is divided into two distinct half-cells. A half-cell is made up of an electrode (a metal strip, M) dissolved in a solution containing Mn⁺ ions. M can be any metal.

A wire from one electrode to the other connects the two half-cells. Additionally, a salt bridge links the two half-cells.

To solve the question, we need to write the equations of two half-cells

At the anode, oxidation occurs

Cd(s) \rightarrow Cd^{2+}(aq) + 2e^-

E° = -0.403 V

At the cathode, reduction occurs

Cu^{2+}(aq) + 2e^- \rightarrow Cu(s)

E° = 0.34 V

Overall reaction:

Cd(s) + Cu^{2+}(aq) \rightarrow Cd^{2+}(aq) + Cu(s)

We know

E^o_{cell} = E^o_{cathode} - E^o_{anode}

= 0.34 -(-0.403) = 0.743 V

Also,

ΔG° = -nFE^o_{cell}

Where, n = no of electrons gained or lost

F = Faraday constant

E^o_{cell} = standard potential

ΔG° = -2×96485×0.743 = -143376.71 J = -143.377 kJ

Also,

ΔG° = -RTlnK

-143.377 = -8.314 × 10-3 × 298 × lnK

lnK = 57.87

K = 1.35 × 10²⁵

Hence, The E^o_{cell} of the voltaic cell is 0.743 V. The ΔG°of the given cell is -143.377 kJ and K is 1.35 × 10²⁵

Learn more about Voltaic cell:

brainly.com/question/4430225

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6 0
1 year ago
Rutherford's experiments on atoms were done on foil made of which of the following elements?
AnnyKZ [126]
A. Gold

Gold is the answer
7 0
3 years ago
Read 2 more answers
Describe how the mass of the product can be calculated when one reactant is in excess
kvasek [131]
On the off chance that one of the reactants is in overabundance yet you don't know which one it is, you have to compute the hypothetical item mass for the both reactants, with a similar item, and whichever has the lower yield is the one you use to precisely depict masses/sums for the condition, since you can't have more than the non-abundance reactant can create.
3 0
3 years ago
Give reason why wood is solid?
VARVARA [1.3K]

Solid wood is a term most commonly used to distinguish between ordinary lumber and engineered wood, but it also refers to structures that do not have hollow spaces. Engineered wood products are manufactured by binding together wood strands, fibers, or veneers with adhesives to form a composite material.

Woof. Hope it helps!!! :) ....Reason*

3 0
3 years ago
Read 2 more answers
How many moles are in 5.6x1025 molecules of calcium oxide?
Vlad1618 [11]

Answer:

<h2>93.02 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{5.6 \times  {10}^{25} }{6.02  \times  {10}^{23} }  \\  = 93.023...

We have the final answer as

<h3>93.02 moles</h3>

Hope this helps you

8 0
3 years ago
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