Answer:
d) Nucleus of the element does not change during the react
hope it helps (^^)
# Cary on learning
Among the given choices NH₃/NH₄Cl is the best choice to prepare pH = 9.0 because pKa of the salt of NH₄<span>Cl nearly equals to 9 (pKb = 4.75, hence pKa = 14 - pKb = 14 - 4.75 = 9.25). A buffer can't change its pH +/- pKa, so this combination is best to prepare desired pH.</span>
Answer:
What is the average height of a human?
5.6 ft.
5.2 ft.
Human/Height
Image result for Give me an example of an average. For instance, "the average height of a person is about 5 foot 6 inches
However, the actual global average height of a woman is only 159.5 cm (5 ft 2.8 in) and the average height of a man is 171 cm (5 ft 7.3 in). Therefore, the height difference between men and women globally is about 4.5 inches or 12 centimeters.
Explanation:
Answer:
Perflutren
Explanation:
Perflutren is a fluorinated hydrocarbon and gaseous substance used as an imaging contrast agent.