They come from the reproduction of existing cells
Answer: well 18°C is really cool the mass of the water sample would be 28242 yeah that's right
Explanation:
Explanation:
thermal changes are those in which heat exchange is involved like endothermic and exothermic
while in chemical changes collision between the reactant occurs which result into product
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
<span>D. all of the above because ionic compound is a salt. it is also held together by ionic bonds. it has anions and cations </span>