Joe's teacher tells him to use 0.250 moles of MgCl2. If the molar mass of MgCl2 is 95.3 g/mol, how many grams of MgCl2 should Joe use? Which of the following is the right answer

A - 4.15 x 10-25 g

B - 1.51 x 1023 g

C - 0.00262 g

D - 23.8 g

What’s a special glass that most beakers are made of

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.

Which is an example of a reversible physical change?