How do you define the system so that the energy changes are all transformations internal to an isolated system

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)