Can you please go over 2, 3, and 6?

1. What is defined as the number of atoms surrounding an atom in a crystal lattice? ( 10 pts) (4) The unit cell B) The radius of the cubic cell e) The coordination number D) The area of the cubic cell E) The atoms themselves Iran would hove the lowest boiling pait becouse it hos no IMFs compared to the other eloments listad here. The other optians eithies have dispesiant force and/dr dipole-dipile Iron is just a single element, and hos ho IAmp, thu hoving the kawes boibis pibz 3. Consider a closed container with 50.0g of water vapor at 110.0C that is left on a bench until it reaches room temperature (25.0C). a) Complete the cooling curve to represent the process. (10 pts) b) How much energy is released in this process? (20 pts) Q1=sinCDT=(50.0g+120)(4.18J/g110C)(110C25C)as=17782J=17.782kJ9coolingrapor+qeodensatirn+9caoling490+d 4. What is a measure of the resistance to flow in a liquid? (10 pts) A) Adhesion B) Viscosity Q) Surface tension Dx Cohesion (E) Capillary action 6. The mineral perovskite has a cubic unit cell with calcium at the corners, titanium in the middle, and oxygen at the center of each face. a) How many atoms of each type are present in one unit cell? (20 pts) Ca(818aatoms)=1(aatom T1=1Tiatom 0=(2160)=30 atems 1 Ea atom +1 Tiatom +30 eaten =5 b) What is the empirical formula of the salt? (5 pts) Gtomy Formalas: q=mcT,n=2dsin