Alanine, h2nch(ch3)co2h, has ka = 4.5  10–3 and kb = 7.4  10–5 . which species has the highest concentration at a ph of 7.00 in h2o?

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

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

What is the percent by mass of oxygen in fe2o3