Rock whose texture, mineralogy, or chemical
composition has been altered without melting it.

How many moles of al3+ ions are in 1.25 moles of al2o3

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 one or two grammatically correct sentences, write a definition for the term molecule geometry