Answer:
The pressure is 8 atm
Step-by-step explanation:
We use the Boyle Mariotte formula, where for a given mass of gas at constant temperature, the pressure and volume vary inversely:
P1xV1 = P2xV2
P2= (P1xV1)/V2= (1 atm x 22,4 L)/ 2,8L= 8 atm
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