Answer:
I think letter b? Dont count on it :) like is the question asking what can be an equivalent to the motion of our planets?
Explanation:
<h2>Answer:</h2>
<u>The statement is </u><u>true</u>
<h2>Explanation:</h2>
When we add a catalyst to a system, both the forward and reverse reaction rates will speed up equally at the same time thereby allowing the system to reach equilibrium faster. But one thing that is very important to keep in mind that the addition of a catalyst has no effect on the final equilibrium position of the reaction because it only makes the reaction faster and nothing else.
Answer:
sodium I think .............
The Ancient Egyptians used simple sundials and divided days into smaller parts, and it has been suggested that as early as 1,500BC, they divided the interval between sunrise and sunset into 12 parts. ... Known as a clepsydra, it uses a flow of water to measure time.
For the answer to the question above asking how many moles of lead atoms are in 354g Pb.
The answer is the third one among the given choices which is c. 1.71mol. <span>Start what you have and apply what you know: </span>
<span>354g Pb *1molPb/207g Pb =1.71 mol Pb</span>