Physical Change because a new substance was not created and if it was a chemical change, a new substance would have to be created.
Hey man its difference in temperature
Answer:
The smallest unit of a compound is a molecule, which is made up of atoms held together by bonds.
Answer:
57.6g
Explanation:
So, if in one mole of water, 16 g of oxygen atom is present. Then, in 3.6 moles of water, the mass of oxygen present will be 3.6×16=57.6g. Therefore, the amount of oxygen present in 3.6 g water is option (B)- 57.6 g.
He has to use a different colored light at a higher frequency.
