Answer:
first we add the same direction. 12N + 32 N=44N .
then we add the forces. 54 up + 44N down= 10N up
Answer: only O is unbalanced
Explanation:
There are only 2 oxygen atoms on the left but in the right there are 4
Answer:
<h2>1.16 moles</h2>
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>1.16 moles</h3>
Hope this helps you
Answer:
mass is the measure of the amount of weight pulled by gravity in an object B-)