Questions from General Chemistry

Q: The molar heats of fusion and vaporization for silver are 11.

The molar heats of fusion and vaporization for silver are 11.3 kJ/mol and 250. kJ/mol, respectively. Silver’s normal melting point is 962 °C, and its normal boiling point is 2212 °C. What quantity of...

Q: It requires 113 J to melt 1.00 g of sodium

It requires 113 J to melt 1.00 g of sodium metal at its normal melting point of 98 °C. Calculate the molar heat of fusion of sodium.

Q: Consider the iodine monochloride molecule, ICl. Because chlorine is more

Consider the iodine monochloride molecule, ICl. Because chlorine is more electronegative than iodine, this molecule is a dipole. How would you expect iodine monochloride molecules in the gaseous state...

Q: Liquids and solids are (more/less) compressible than are

Liquids and solids are (more/less) compressible than are gases.

Q: Dipole–dipole forces become as the distance between the dipoles decreases

Dipole–dipole forces become as the distance between the dipoles decreases (gets closer together).

Q: The text implies that hydrogen bonding is a special case of very

The text implies that hydrogen bonding is a special case of very strong dipole–dipole interactions possible among only certain atoms. What atoms in addition to hydrogen are necessary for hydrogen bond...

Q: Which bond in each of the following pairs has the greater ionic

Which bond in each of the following pairs has the greater ionic character? a. Na-F or Na-I b. Ca-S or Ca-O c. Li-Cl or Cs-Cl d. Mg-N or Mg-P

Q: are relatively weak forces that exist among noble gas atoms and

are relatively weak forces that exist among noble gas atoms and nonpolar molecules that involve an accidental dipole that induces a momentary dipole in a neighbor.

Q: What type of intermolecular forces is active in the liquid state of

What type of intermolecular forces is active in the liquid state of each of the following substances? a. Ne b. CO c. CH3OH d. Cl2

Q: Discuss the types of intermolecular forces acting in the liquid state of

Discuss the types of intermolecular forces acting in the liquid state of each of the following substances. a. Xe b. NH3 c. F2 d. ICl