The new pressure of the gas would be = 2.1 atm.
Calculation of gas pressure
The initial temperature of the gas(T1) = 20°C
The final temperature of the gas(T2)= 35°C
The volume= constant
The Original pressure (P1) = 1.2atm
The new pressure (P2) =?
Using the gas law P1/T1 = P2/T2
Make P2 the subject of formula;
P2= P1×T2/T1
P2= 1.2 × 35/20
P2= 42/20
P2= 2.1 atm
Therefore, the new pressure of the gas would be = 2.1 atm.
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