JAMB 1980
A quantity of sungas at -133 occupies 1/3m³ under pressure 1.4 x 10^5 Nm^-2. if the gas occupies 31 m³ at 37°C, its pressure will be
A. 1.26 x 10³Nm^-2
B. 3.3 x10³Nm^-2
C. 1.35 x 10³Nm^-2
D. 2.2 x 10³Nm^-2
E. 10^5Nm^-2
Correct Answer: Option B
Explanation
P1V1/T1 = P2V2/T2
Since the temperature has to be in Kelvin,
T1 = -133 + 273 = 140K
T2 = 37 + 273 = 310K
= (1/3×1.4×10^5)/140 = (P2×31)/310
P2 = 3.3 x 10³Nm^-2
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His Name is Tiamiyu Abdulbazeet Olawale. He is a student at the University of Ilorin studying Electrical and Electronics Engineering. He likes to give the latest updates about Nigeria and international institutions as he aims at helping people to lay their hands on the right information.