D water expands when it freezes
A. Fission creates new elements from which electricity can be generated.
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Answer:
here
Explanation:
FRICTION ADVANTAGES:
a) the soles of are shoes are designed in a way that they create friction and prevent us from slipping and falling.
b) We are capable of writing with a pen due to the friction between the pen and the paper.
FRICTION DISADVANTAGES:
b) Forest fires are caused due to the friction between the trees branches
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Answer:
<h2>0.05 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>0.05 moles</h3>
Hope this helps you