Question

Answer all parts. (a) Sketch several H20 molecules interacting in the solid phase. Briefly explain why the [6 marks] addition of NaCI lowers the melting point of H20 (b) CO2 is a molecule that is not expected to have a dipole moment. Why? Your solution [2 marks] (c) When vibrationally excited, CO2 shows a slight dipole that increases with vibrational [5 marks] should make use of simple, well-labelled diagrams. excitation. Why? Your solution should make use of simple, well-labelled diagrams (d) Sketch a fully labelled plot with the approximate topology of the following function: [6 marks] (e) For your solution in part (d), explain where and why that function fails to accurately 4 marks] describe inter-atomic interaction.

Answer 1

Answering question 1) a,b,c as d,e is from physics

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