Explanation:
To find the number of moles in a substance given it's number of entities we use the formula
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have
We have the final answer as
<h3>8.0 × 10-¹ moles</h3>
Hope this helps you
Answer:
sir/ma'am, i know i'm a <u>NOOB</u> at this kind of stuff but i believe it's oxygen.
Explanation:
i can't really remember the answer since it's been a week or so that i done this problem, it's between nitrogen and oxygen, though, i believe it's oxygen.
if ya don't believe me or trust me, then here's the link to help ya:
https://socratic.org/questions/what-elements-would-have-similar-properties-to-sulfur#628367
Answer:
ok
Explanation:
Alloys are harder and stronger because the different-sized atoms of the mixed metals make the atomic layers less regular, so they cannot slide as easily.
Answer:
2NaOH + 2Al +2H2O = 2NaAlO2 +3H
Explanation:
Aluminum is an amphoteric element it reacts with both bases and acids to form a salt and hydrogen gas.The reaction is highly exothermic.