if a sample of gas has fixed volume, and under a standard atmosphere of pressure, if its temperature is raised from 20 degrees celsius to 40 degrees celsius, with the pressure remaining constant, which of the following is true?
please let me know which of the following is the correct answer and why:
1. the volume will double
2. the volume will halve
3. the volume will increase, but not double
4. the volume will decrease, but not double