B) A chemical change because the nail reacts with water/oxygen to create rust (a type of oxide)
The weight of 98kg is 216.053 pounds.
<span> reason is that there is no land to slow down the wind. Also, wind is caused by differences in air pressure</span>
The number of atoms of oxygen is 2.4 * 10^24.
<h3>How many atoms are produced?</h3>
We know that mole of a substance contains the Avogadro's number of atoms. The Avogadro's number gives the number of atoms, molecules, ions and atoms that could be found in one mole of a substance.
Now;
Given that ;
1 mole of oxygen contains two atoms of oxygen, the number of atoms that are contained in 2 moles of the oxygen molecule is;
2 * 2 * 6.023 * 10^23
= 2.4 * 10^24
Learn more about dimensional analysis:brainly.com/question/13078117
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