JAMB Chemistry 2020 Objective — Question 26
Question 26 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2020 Objective paper, with the correct answer and a full explanation.
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26. A gas jar is filled with air at S.T.P and its volume changes with an increase in temperature at constant pressure. If the initial volume is 300cm3 at 273K and it is heated to 300K, what is the new volume?
- A. A. 330cm3Correct
- B. B. 320cm3
- C. C. 310cm3
- D. D. 300cm3
Explanation
Using Charles's Law, V1/T1 = V2/T2: V2 = 300 x (300/273) ≈ 330cm3.
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