What's the acid ionization constant for an acid with a pH of 2.11 and an equilibrium concentration of 0.30 M? A. 3.32×10–4 B. 4.87×10–8 C. 1.99×10–6 D. 2.01×10–4

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption