When mixed, which states of matter form only a homogeneous mixture?

Which type of microscope would allow the viewer to see ribosomes inside a cell?

The plum pudding model of the atom states that ?

Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?