. A fifth-grade student was showing her little brother what she was learning in science class. She mixed 20 grams (g) of a white powder in 80 milliliters (mL) of warm water. What is the weight (mass) of the white powder and water mixture?

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.