The pressure of a fixed mass of gas is 2.0 x 10⁵Nm^-2 at a known temperature. Assuming that the temperature remains constant, what will be the pressure of the gas if its volume is halved?

• A 1.0x10⁵Nm^-2
• B 2.0X10⁵Nm^-2
• C 3.0x10⁵Nm^-2
• D 4.0 x10⁵Nm^-2
• E 5.0 x10⁵Nm^-2