Question

Визначте, як і в скільки разів зміниться маса m речовини, яка виділяється на електроді, якщо час і електролізу збільшити в 2 рази, а силу струму 1 в електроліті зменшити в 4 рази.​

Answer 1

Ответ: уменьшится в 2 раза.

Объяснение:

Answer 2

Calculation of Change in Mass during Electrolysis

To determine how many times the mass of substance (m) released on the electrode will change when the time and current are altered, we need to consider the relationship between mass, time, and current during electrolysis.

During electrolysis, the mass of a substance deposited or released on an electrode is directly proportional to the amount of charge passed through the electrolyte. This relationship is given by Faraday's laws of electrolysis.

According to Faraday's laws, the mass of a substance (m) released or deposited on an electrode is directly proportional to the product of the current (I), time (t), and the equivalent weight (E) of the substance. Mathematically, it can be expressed as:

m ∝ I * t * E

Where: - m is the mass of the substance released or deposited on the electrode - I is the current passing through the electrolyte - t is the time of electrolysis - E is the equivalent weight of the substance

Now, let's consider the given scenario where the time of electrolysis is increased by 2 times and the current passing through the electrolyte is decreased by 4 times.

If the time is increased by 2 times, we can substitute t with 2t in the equation. Similarly, if the current is decreased by 4 times, we can substitute I with (1/4)I in the equation.

m ∝ (1/4)I * 2t * E

Simplifying the equation:

m ∝ (1/2)I * t * E

Therefore, the mass of the substance released or deposited on the electrode will change by a factor of (1/2) when the time of electrolysis is increased by 2 times and the current passing through the electrolyte is decreased by 4 times.

Please note that this calculation assumes all other factors remain constant and there are no other changes in the electrolysis process.

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