<span>Tychonic System is a model of the Solar system that embraces all the benefits of Copernican and Ptolemaic systems, forming the most accurate one. This system was introduced by Tycho Brahe in16th century, and it looks like this: the Earth is placed at the center of the universe, the Sun, Moon and the stars revolve around the Earth, and the other planets, in their turn, revolve around the Sun. </span>
Yes it is, because lucid means characterized by clear perception.
1 mole ----------- 6.02x10²³ atoms
1.75 moles ------- ?
atoms = 1.75 * 6.02x10²³ / 1
= 1.053x10²⁴ atoms
hope this helps!
Answer:
density increases with more helium because of its molar mass
