what are some recipes that include at least three chemical changes and at least three physical changes?

__can be defined as which velocity changes

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

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