Question

a. CHCl3
b. CCl4
C, BC13
d. BeCl2
5.
refers to the energy required to increase the surface area by a unit amount.
a. Viscosity
b. Surface tension
c. Vapor pressure
d. De
6. Which of the following statements is TRUE about nonpolar molecules
a. Have high boiling point
b. Have high melting point
c. Have low surface tension d. Have low vapor pressure
7. Which of the following substances is miscible in hexane (C6H14)?
a. Acetone (C3H60)
b. Vinegar (CH3COOH)
c. Chloroform (CHCl3)
d. Methanol (CH3OH)
The following are intermolecular forces of attraction EXCEPT:
a. H-bond
b. Dipole-dipole
c. Covalent bond
d. L
Which of the following properties has indirect relationship with the strength of IMF
a. Boiling point
b. Melting point c. Surface tension
d.
In which of the following solvents would molecular iodine (12) be most soluble?
a. Vinegar
b. Water
c. Ethyl alcohol
d. Carbon
vity II
or False: Write T if the statement is true, otherwise write F.
11. H-bonds are broken when ice melts.
12. Molecules with H-bonds have higher boiling point than moleculon with​

Answer 1

Answer:

Nitrogen fixation in legume nodules occurs within the bacteria inside ... be emphasized that what is known is mainly from studies of the important ... (a) Clusters of nodules on bean (Phaseolus vulgaris) roots.