Answer:
When the Moon is in the position shown below, how would the Moon look to an observer on the North Pole ... The moon's rotational period is equal to its revolutional period around Earth.
Explanation:
Answer:The answer is C:two or more forms of an atom that contain different numbers of neutrons. An isotope is when there are different forms of an atom, in terms of neutrons. Not to be confused with cations or anions, which are atoms with a difference of electrons or protons, making them charged.
Explanation: I took chemistry in 6th grade.
To make it possible for others to replicate the experiment:)
It is In203.hope this helps
Answer:
Acid base titration curves shows the pH at equivalence point
Explanation:
Since the images were not shown, I will proceed to give a general description of the following acid-base titration curves:
In a strong acid-strong base titration, the acid and base will react to form a neutral solution. At the equivalence point of the reaction, hydronium (H+) and hydroxide (OH-) ions will react to form water, leading to a pH of 7.
The titration curve reflects the strengths of the corresponding acid and base. If one reagent is a weak acid or base and the other is a strong acid or base, the titration curve is irregular, and the pH shifts less with small additions of titrant near the equivalence point.
Polyprotic acids are able to donate more than one proton per acid molecule, in contrast to monoprotic acids that only donate one proton per molecule. In the titration curve of a polyptotic acid and a strong base, The curve starts at a higher pH than a titration curve of a strong base. There is always a steep climb in pH before the first midpoint. Gradually, the pH increases until it passes the midpoint; Right before the equivalence point there is a very sharp increase in pH.
