HELP ANYONE PLEASE PLEASE PLEASE ALSO IF THE ANSWER IS WRONG I WILL REPORT IT AND YOU WILL LOSE YOUR POINTS SO PLEASE CAN IT BE CORRECT.

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

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