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Zanzabum
1 year ago
14

In an electrolytic cell, the electrode that acts as a source of electrons to the solution is called the __________; the chemical

change that occurs at this electrode is called __________.
Chemistry
1 answer:
Romashka [77]1 year ago
5 0

In an electrolytic cell, the electrode that acts as a source of electrons to the solution is called the <u>cathode</u>; the chemical change that occurs at this electrode is called <u>reduction</u>.

<h3>Define Electrolyte:-</h3>

An electrolyte is a material that separates into charged ions when it is in contact with water. Cations are positively charged ions. Anions are ions that are negatively charged. A substance that may conduct an electric current when melted or dissolved in water is known as an electrolyte.

<h3>Electrochemical cell </h3>

There are three main categories of electrochemical cells. the galvanic cell, the concentration cell, and the electrolytic cell. These cells all share the same four fundamental components. These are the elements

  • The electrolyte serves as the conduit for current flow between the anode and the cathode. In an aqueous solution, it normally is homogeneous, but in moist soil, the concentration or kind of dissolved compounds may vary locally.
  • The anode, which can conduct electricity and is in contact with the electrolyte, corrodes when it combines with the chemicals in the electrolyte.
  • A metal also contacts the electrolyte at the cathode. It is protected from corrosion rather than corroded.
  • Anode and cathode are connected by the conductor, which also completes the circuit.

Learn more about Electrochemical cells here:-

brainly.com/question/25749323

#SPJ4

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If sufficient acid is used to react completely
Juli2301 [7.4K]

Solution,

Mass of Mg - 21gm

molar mass of Mg - 24gm

moles = Given mass/ Molar mass

moles = 21/24 = 0.875

1 mole of Mg produce 1 mole of H2 gas

so 0.875 mole of Mg will produce 0.875 moles of H2 gas

One mole of H2 gas = 22.4 litre

0.875 mole of H2 gas = 0.875×22.4

0.875 mole of H2 gas = 19.60 litre

So the nearest ANSWER is Option four 19.37 litre.

3 0
2 years ago
A gas under a pressure of 74 mmHg and at a temperature of 75°C occupies a 500.0-L container. How many moles of gas are in the co
Leona [35]

Answer : The number of moles of gas present in container are 1.697 mole.

Explanation :

Using ideal gas equation,

PV=nRT

where,

P = pressure of gas = 74 mmHg = 0.097 atm

conversion used : (1 atm = 760 mmHg)

V = volume of gas = 500.0 L

T = temperature of gas = 75^oC=75+273=348K

n = number of moles of gas = ?

R = gas constant = 0.0821 L.atm/mole.K

Now put all the given values in the ideal gas equation, we get the number of moles of gas in the container.

(0.097atm)\times (500.0L)=n\times (0.0821L.atm/mole.K)\times (348K)

n=1.697mole

Therefore, the number of moles of gas present in container are 1.697 mole.

4 0
3 years ago
When a gas in a cylinder is compressed at constant temperature by a piston, the pressure of the gas increases. Consider the foll
Marizza181 [45]

Answer:

Answer below!!

Explanation:

The volume of a gas is inversely proportional to presure keeping the temperature the same.

Hope I helped!!!

:)

4 0
3 years ago
In a series circuit, electrons only flow along one path. Given this information, which of the following is an advantage of serie
Ivenika [448]

Answer: D. Series circuits are simpler than parallel circuits.

Explanation:

In series circuit, all the components are connected in single path of current flow.

If one part of the circuit breaks, complete circuit would break and all the other parts also would not operate.

The voltage is not same everywhere. It is different across each component.

In series circuit, net resistance is more as resistance of all the components connected in series are added up.

So, the only advantage of a series circuit is that is simpler than the parallel circuits. Thus, the correct option is D.

3 0
3 years ago
Why doesn't the earth,s shadow get cast onto the moon every month ?
soldi70 [24.7K]
Becuz the sun refelt off the earth and on to the moon.

8 0
3 years ago
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