Answer:
14,138.985
Explanation:
I think!
multiply the amount of atoms in copper by the amount of grams. hope this helped
Answer:
<h2>6.48 </h2>
Explanation:
The pH of a solution can be found by using the formula
![pH = - log ([ {H}^{+} ])](https://tex.z-dn.net/?f=pH%20%3D%20-%20log%20%28%5B%20%7BH%7D%5E%7B%2B%7D%20%5D%29)
From the question we have

We have the final answer as
<h3>6.48 </h3>
Hope this helps you
Answer:
i think this is a biology question but regardless a threatened species is same as endangered which is going to become extinct in the near future but i say the best answer is threatened with becoming extinct in the near future.
Answer:
The change of state of wax from solid to liquid and liquid to vapors is a physical change.
Explanation:
Physical Change
The changes that occur only due to change in shape or form but their chemical or internal composition remain unchanged.
These changes were reversible.
They have same chemical property.
These changes can be observed with naked eye.
Chemical:
The changes, that occur due to change in the composition of a substance and result in a different compound is known as chemical change.
These changes are irreversible
.
These changes occur due to chemical reactions.
These may not be observed with naked eye
Example
When a candle is burned, the both physical and chemical changes occur.
The solid wax is melted into the liquid and than liquid is evaporated into vapor form. It is a physical change because just the state of mater is changed. When vapors of wax are react with oxygen in air and form carbon dioxide and ash it is a chemical change which can not be reversed.