1. If 100 mL of a gas, originally at 760 torr, is compressed to a pressure of 120 kPa

at constant temperature, what will its final volume be?

Answer : The final volume will be, 84.4 mL

Explanation :

Boyle's Law : It is defined as the pressure of the gas is inversely proportional to the volume of the gas at constant temperature and number of moles.

or,

where,

= initial pressure = 760 torr

= final pressure = 120 kPa = 900 torr   (1 kPa = 7.5 torr)

= initial volume = 100 mL

= final volume = ?

Now put all the given values in the above equation, we get:

Therefore, the final volume will be, 84.4 mL

the electrical  conductivity  of asolution  of an electrolyte is measured by determining the resistance of thesolution  between two flat or cylindrical electrodes separated by a fixed distance.

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