When carbon and oxygen combine chemically what is true about the mass of the product

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

Why is the melting of ice a physical change ?

Nan element’s square on the periodic table, the number with the greatest numerical value represents the