A hydrocarbon has only hydrogen and carbon in it. the 1st, 3rd and 4th option all include Oxygen so the only hydrocarbon is option 2
Answer:
Please find equations in the attachment file.
Explanation:
Answer:
too hard middle school student just need points nothing else
<span>Exothermic reaction evolves energy due to which products get hot...</span>
Answer:
<h2>7142.86 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>7142.86 moles</h3>
Hope this helps you