How many total ions are there in 5.00 moles of cobalt (II) bromide?

What must happen before a body cell can begin mitotic cell division

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas