At the half equivalence point [HA] = [A-] and pH = pKa
<span>if Ka is 5.2e-5 then pKa = pH = 4.28</span>
If you are asking for the word for this definition it is a <span>attraction by the two nucluei</span>
Answer:
Liquid
Explanation:
Gas is too far away, solid is close but it is not in a random pattern
An object that is not already moving will begin to move in the direction of the larger force. An object that is already moving will change its speed and/or its direction.
Answer:
The same element that contain equal number if protons but different number of neurons in their nuclei and hence differ in relative atomic mass
