Answer:
Density is 2.7 grams
Explanation:
formula for density is p= mass over volume [p being density]. So all you have to do is divide
.energy mechanical needs it Answer:
Yes.
Explanation:
For your second question its Diamonds,Rubys, Emeralds.
And for your first question its :Minerals are natural: These substances that form without any human help.
Minerals are solid: They don't droop or melt or evaporate.
Minerals are inorganic: They aren't carbon compounds like those found in living things.
Minerals are crystalline: They have a distinct recipe and arrangement of atoms.
Answer: 4.5165 *10^-23 moles Carbon
Explanation:
There are 6.022*10^23 atoms in a mole.
Therefore, there would be 6.022*10^-23*0.75 atoms in 0.75 moles of Carbon.
= 4.5165 *10^-23 moles Carbon