Hold a balloon on a string over the dome while the generator is running. What is happening to the charge of the balloon? HELP PLEASEE! a Van de Graaff lab btw <3

Which is a characteristic of mixtures?

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88