A UV wave has a smaller___
than visible light.

An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron

Calculate the ph at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (c2h5nh2) with 0.1000 m hcl solution. the volume of the solution at the equivalence point is 250.0 ml. kb forethylamine is 4.7 × 10−4 .

What is the morality of 2.50 l of solution that contains 1.85 mol of anhydrous sodium tetraborate?