A gas at pressure P N/m² and temperature 27°C is heated to 77°C at constant volume. The new pressure is
A. 0.85P N/m²
B. 0.86P N/m²
C. 1.16P N/m²
D. 1.18P N/m²
E. 2.85P N/m²
ANSWER: Option C
EXPLANATION: You remember Gas laws, right? The law that holds for this question is Gay Lussac’s Law which states that the pressure of a given amount of gas held at constant volume is directly proportional to the absolute temperature.
To solve that question, apply Gay Lussac equation;
P1/T1 = P2/T2
Absolute temperature!!! Always remember to convert your temperature into Kelvin!
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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.