3 years ago

Explain how a covalent compound can be a strong electrolyte and give an example.

1 answer:

4 0

Explanation:

Any Substances which dissolute in water yield to ions are called electrolytes. The electrolytes can be both covalent or electrovalent compounds. Polar covalent compounds can be strong electrolyte. Some common examples of covalent electrolytes are HCl, HBr, HI , etc. Solar compounds dissolve in polar solvent ( water).

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calculate the electric field strength between two parallel plates separated by 0.50 cm, across which is a potential of 12 volts.

Alexxandr [17]

Formula for Electric Field strength , E = V/d

where V = Voltage in volts, and d = distance of separation in meters.

d = 0.5 cm = 0.005 m, V = 12 V

E = V/d = 12 / 0.005

E = 2400

Electric Field Strength = 2400 Volts/meter

3 0

2 years ago

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ZanzabumX [31]

Red light would be commonly used due to the longer wavelength

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2 years ago

Two forces, one four times as large as the other, pull in the same direction on a 10kg mass and impart to it an acceleration of

notsponge [240]

Answer:

The acceleration of the mass is 2 meters per square second.

Explanation:

By Newton's second law, we know that force ( $F$ ), measured in newtons, is the product of mass ( $m$ ), measured in kilograms, and net acceleration ( $a$ ), measured in meters per square second. That is:

$F = m\cdot a$ (1)

The initial force applied in the mass is:

$F = (10\,kg)\cdot \left(2.5\,\frac{m}{s^{2}} \right)$

$F = 25\,N$

In addition, we know that force is directly proportional to acceleration. If the smaller force is removed, then the initial force is reduced to $\frac{4}{5}$ of the initial force. The acceleration of the mass is: