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mojhsa [17]
3 years ago
12

What weather types affect earthworms?

Chemistry
1 answer:
torisob [31]3 years ago
4 0
Usually when it rains the worms surface!

HOPE THIS HELPS!
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The property of water in which it attaches to another surface is known as: *
Vesnalui [34]

Answer:

The property of water which makes it to attach or stick to another surface is Adhesion.

Explanation:

Adhesion is the characteristic ability a substance possess to stick to other substances. This is as a result of the covalent bond existing between the two hydrogen atoms and the one oxygen atom in the water molecule.

An example of the property of Adhesion is a water drop that stuck to the end of the pine needles

5 0
3 years ago
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

#SPJ4

6 0
1 year ago
URGENT PLEASE ANSWER
Alona [7]

Answer:

1. nucleus

2.14

3.14

4.3

5. 4+ or 4-

5 0
2 years ago
Which row about a change of state is correct?
Iteru [2.4K]

Answer:

c

Explanation:

because heat is taken in in sublimation.

5 0
2 years ago
A box of cleaning supplies weighs 15 N. If the box is lifted a distance of 0.60 m, how much work is done?
Nady [450]
Work Done = force x displacement. So in this case the 15N is the force (because weight is a force) and 0.60m is the displacement. Therefore 15 x 0.6 = 9 Joules of work done (btw, work done can also be referred to as energy transferred)
3 0
3 years ago
Read 2 more answers
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