An ¹ H¹⁹ F molecule, with a bond length of 91.68 pm, absorbed on a surface rotates in two dimensions.
a. Calculate the zero point energy associated with this rotation.
b. What is the smallest quantum of energy that can be absorbed by this molecule in a rotational excitation?
a) 2.75 × 10⁻²¹ J, 5.50 × 10⁻²¹ J
b) 5.50 × 10⁻²¹ J, 2.75 × 10⁻²¹ J
c) 2.75 × 10⁻²¹ J, 1.38 × 10⁻²¹ J
d) 1.38 × 10⁻²¹ J, 2.75 × 10⁻²¹ J