Question 1

The _______ bond is responsible for the bonding of identical or similar atoms.

Accepted Answer

A)   ionic
B)   covalent
C)   van der Waals
D)   hydrogen
E)   metallicF) A) and D)
G) A) and C)

Question 2

In the absorption spectrum of the diatomic molecule HCl the central frequency is at
8) 67 * 1013 Hz, while the absorption peaks on either side are separated by 5.9 *1011 Hz. What is the difference in energy between neighboring vibrational levels?

Accepted Answer

A)   0.18 eV
B)   0.27 eV
C)   0.36 eV
D)   2.4 meV
E)   1.2 meVF) B) and E)
G) B) and D)

Question 3

The bonding of the HF molecule is approximately 43.6% ionic. If its equilibrium separation is 0.917 nm, then its electric dipole moment must be approximately

Accepted Answer

A)   3.20 * 10-30 C · m
B)   6.40 * 10-30 C · m
C)   8.76 * 10-30 C · m
D)   11.4 * 10-30 C · m
E)   13.2 * 10-30 C · mF) C) and E)
G) B) and C)

Question 4

If the electrostatic potential energy of Na+ and F- ions at their equilibrium separation (with U = 0 at infinite separation)  is -1.19 * 10-18 J, then their equilibrium separation must be approximately

Accepted Answer

A)   2.14 nm
B)   0.193 nm
C)   0.876 nm
D)   1.32 nm
E)   0.374 nmF) A) and E)
G) A) and C)

Exam 17: Molecules

The _______ bond is responsible for the bonding of identical or similar atoms.

Correct Answer
verified

If the electrostatic potential energy of Na⁺ and F^- ions at their equilibrium separation (with U = 0 at infinite separation) is -1.19 * 10^-18 J, then their equilibrium separation must be approximately

Correct Answer
verified

In the absorption spectrum of the diatomic molecule HCl the central frequency is at 8) 67 * 10¹³ Hz, while the absorption peaks on either side are separated by 5.9 *10¹¹ Hz. What is the difference in energy between neighboring vibrational levels?

Correct Answer
verified

The bonding of the HF molecule is approximately 43.6% ionic. If its equilibrium separation is 0.917 nm, then its electric dipole moment must be approximately

Correct Answer
verified

Exam 17: Molecules

The _______ bond is responsible for the bonding of identical or similar atoms.

Correct AnswerverifiedShow Answer

If the electrostatic potential energy of Na+ and F- ions at their equilibrium separation (with U = 0 at infinite separation) is -1.19 * 10-18 J, then their equilibrium separation must be approximately

Correct AnswerverifiedShow Answer

In the absorption spectrum of the diatomic molecule HCl the central frequency is at 8) 67 * 1013 Hz, while the absorption peaks on either side are separated by 5.9 *1011 Hz. What is the difference in energy between neighboring vibrational levels?

Correct AnswerverifiedShow Answer

The bonding of the HF molecule is approximately 43.6% ionic. If its equilibrium separation is 0.917 nm, then its electric dipole moment must be approximately

Correct AnswerverifiedShow Answer

Correct Answer
verified

If the electrostatic potential energy of Na⁺ and F^- ions at their equilibrium separation (with U = 0 at infinite separation) is -1.19 * 10^-18 J, then their equilibrium separation must be approximately

Correct Answer
verified

In the absorption spectrum of the diatomic molecule HCl the central frequency is at 8) 67 * 10¹³ Hz, while the absorption peaks on either side are separated by 5.9 *10¹¹ Hz. What is the difference in energy between neighboring vibrational levels?

Correct Answer
verified

Correct Answer
verified