A balloon is filled to a volume of 1. 50 l with 3. 00 moles of gas at 25. 0 °c. With pressure and temperature held constant, what will be the volume (in l) of the balloon if 0. 80 moles of gas are added?.

Sat no calculator section question in the picture

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

31. all the following are effective ways of preparing for an interview except practicing in front on a mirror writing down answers to possible questions holding a mock interview with a friend memorizing interview questions and answers