What is the PH of - [H+] = 1.2 x 10-2 M
- [H+] = 5.8 x 10-9 M
- [H+] = 3.92 x 10-12 M
- [H+] = 4.52 x 10-5 M

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18

What is the typical rotational frequency frot for a molecule like n2 at room temperature (25∘c)? assume that d for this molecule is 1å=10−10m. take the total mass of an n2 molecule to be mn2=4.65×10−26kg. you will need to account for rotations around two axes (not just one) to find the correct frequency. express frot numerically in hertz, to three significant figures.

Describe the process of biomagnification in 3-5 complete and well thought out sentences