A gas occupies 600 cm^3 under a pressure of 700 mm Hg. Find under what pressure the volume of the gas will be reduced by 20 per cent of its original volume, the temperature remaining constant throughout?

Explanation

To solve the problem step by step, we will use Boyle's Law, which states that for a given mass of gas at constant temperature, the product of the pressure and volume is constant. This can be expressed mathematically as:

\[ P_1 V_1 = P_2 V_2 \]

Where:
- \( P_1 \) = initial pressure
- \( V_1 \) = initial volume
- \( P_2 \) = final pressure
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