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Margarita [4]
3 years ago
7

tell how a voltaic cell works. be sure to mention the various parts of the voltaic cell and what they have to do with how it wor

ks
Chemistry
1 answer:
Lelu [443]3 years ago
4 0
Voltaic cells are  used as a source of electrical power. By their nature, they produce direct current<span>. 
</span>A voltaic cell, or galvanic cell<span> is an </span>electrochemical cell that uses a chemical reaction to produce electrical energy. The cell consists of two metals: one called anode where oxidation (loss of electrons) occurs and the other cathode where reduction (gain of electrons) occurs.The salt bridge connect the anode with the cathode. It is the <span>chamber of electrolytes necessary to complete the circuit in a voltaic cell.
</span><span>The external circuit is used to conduct the flow of electrons between the electrodes of the voltaic cell and  includes a load.</span>
<span>The key to gathering the electron flow is to separate the oxidation and reduction half-reactions, connecting them by a wire, so that the electrons must flow through that wire.</span>
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How many moles of Fluorine (F2) are<br><br> needed to completely react 8.0<br><br> moles of NF3?
Anna [14]

Answer:

12 moles of F₂

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

N₂ + 3F₂ —> 2NF₃

From the balanced equation above,

3 moles of F₂ reacted to produce 2 moles of NF₃.

Finally, we shall determine the number of mole of F₂ needed to produce 8 moles of NF₃. This can be obtained as illustrated below:

From the balanced equation above,

3 moles of F₂ reacted to produce 2 moles of NF₃.

Therefore, Xmol of F₂ will react to produce 8 moles of NF₃ i.e

Xmol of F₂ = (3 × 8)/2

Xmol of F₂ = 12 moles

Thus, 12 moles of F₂ is needed for the reaction.

8 0
3 years ago
Which solutions is more basic: a solution with a pH of 9 or a solution<br> with a pH of 12?
Nuetrik [128]

Answer:

Explanation:

pH= 7 is neutral, pH<7 - acidic solutions,

pH>7 - basic solution.

The more value of pH, the more basic solution is.

So, the solution with pH = 12 is more basic.

5 0
1 year ago
Which metal reacts quickest in this group (Li, Na, K, Rb and Cs) Why?
Tamiku [17]
Ok so all are in the alkali family also they are all metals and in group 1 but I think the one that might reacts quickest is Li because it has less AMU
3 0
3 years ago
Using 273.15 K as the value for Zero degree Celsius convert 45.1° C to Kelvin. 6.05 K 318 K 318.3 K 1.23 x 104 K
OLEGan [10]
Zero degree celcius = 273.15 degree kelvin

Simply, to get the value of 45.1 degree celcius in kelvin, we will add 273.15 to the given value (45.1).

Degree in kelvin = 45.1 + 273.15 = 318.25 degree kelvin

Approximating to the nearest tenth, the value will be 318.3 degree kelvin
8 0
3 years ago
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Yuki888 [10]

Answer:

b is the correct answer....

3 0
3 years ago
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