Answer:
The pressure in the tank is 7, 6 atm
Explanation:
We convert the unit of temperature in Celsius into Kelvin:
0°C= 273K --> 39,3°C= 39,3+ 273= 312,3 K
We use the formula:
PV=nRT ---> P =nRT/V
P= 1,5 mol x 0,082 l atm/K mol x 312,3 K/5 L
P= 7,68258 atm