8. If 5kJ of work is done to compress an ideal gas isothermally, what is the amount of heat removed from the gas? A 3 k] B 1 k] C 5 k] D 0J 9. The internal energy of 2 moles of an ideal monoatomic gas at the temperature of 303 K is ... A 7.56 KJ B 3.78 k] C 2.52 kJ D 0.75 KJ 10. The Kinetic theory of gases provide a base for... A Charles' Law B Boyle's Law C None of above D Charles' and Boyle's Law 11. If a concave mirror has a focal length of 10 cm, what are the two positions where an object can be placed to give an image twice the height of the object? A 15 cm & 5 cm B 20 cm & 15 cm C 20 cm & 10 cm D 15 cm & 10 cm