Answer:
The new pressure of the gas will be 0.689 atm
Explanation:
Step 1: Data given
Pressure of argon gas = 0.859 atm
Temperature = 25.4 °C = 298.55 K
Initial volume = 15.0 L
The volume will increase to 18.7 L
The temperature stays constant.
Step 2: Calculate the new pressure
P1*V1 = P2*V2
⇒with P1 = the initial pressure = 0.859 atm
⇒with V1 = the initial volume = 15.0 L
⇒with P2 = the new pressure = TO BE DETERMINED
⇒with V2 = the increased volume = 18.7 L
0.859 * 15.0 = P2 * 18.7
P2 = 0.689 atm
The new pressure of the gas will be 0.689 atm
