You need a buffered solution with a ph = 5.0. choose the acid from the list below that would allow you to create a buffer at ph = 5.0 by reacting with 1.0 m naoh.
the total concentration of acid and conjugate base is 0.25 m ([ha]+[a- ] = 0.25 m) and the total volume of 500 ml.\"

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas

The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table?