5 points 15. Given the formula below: What is the change in the water's freezing
point when 75 grams of NaCl is added to 400 grams of H20? (Kf water -
1.86 C/m) *
Change in Temp = - ix K, x m
- 0.119 ° C
- 1.19 ° C
O A
B.
- 11.9°C
- 119°C
C

What is the strongest intermolecular force between an nacl unit and an h2o molecule together in a solution? covalent bonding dipole-dipole force hydrogen bonding ion-dipole force

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory