4. The volume of a sample of a gas at STP is 200.0 ml. If the pressure is increased to 4.00 atmospheres (temperature constant), what is the new volume?

Answer : The value of new volume is, 50.0 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 at STP = 1 atm

= final pressure =  4.00  atm

= initial volume at STP = 200.0 mL

= final volume = ?

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

Therefore, the value of new volume is, 50.0 mL

asking the goog might u get an answer

it is the most commonly accepted one