This information what is the molar enthalpy of fusion

this information, what is the molar enthalpy of fusion, Δ H
fusion
, of cyclohexane?
14. You chop out a 500 g sample of ice out of the Red River when it – 40°C outside, then you
bring the ice sample indoors where it melts and heats up to 25°C. Assuming that Red
River ice is composed of pure water, what is the total energy is absorbed by the ice
sample?
1
1
1
1
1
15. Strontium titanate is a mineral used in simulated diamonds. Its unit cell is provided
below. What is the empirical formula for this mineral?

16. A mineral that contains aluminum, copper, and chlorine atoms has the orthorhombic
unit cell pictured below. What is the empirical formula for this mineral?

Long Answer
17. Silver (Ag) metal has a face-centred cubic unit cell and has a density of 10.59 g/cm
3
.
What is the atomic radius, in pm, of a silver atom?
18. a. Indicate with an X which intermolecular force(s) must be overcome when the
following pure liquids are vapourized.
b. In the last column, rank the order of the boiling points for these liquids with numbers
1 – 4 where 1 has the lowest boiling point and 4 has the highest boiling point.
Compound
(dipole-dipole)
dipolar forces
(London dispersion)
dispersion forces
Hydrogen
bonding
Boiling point
order
O
O
N H
2
N H
2
OH
19. How much energy is required to heat 36.0 g (2.00 mol) H
2
O from a liquid at 65°C to a gas
at 115°C?
1
1
1
1
1