Effects of intermolecular forces. 1 hydrogen h 2 london dispersion forces 2 carbon monoxide co london dispersion forces 3 silicon tetrafluoride sif 4 london dispersion forces 4 nitrogen tribromide nbr 3 dipole dipole forces 5 water h 2 o hydrogen bonding 6 acetone ch 2.
We will concentrate on the forces between molecules in molecular substances which are called intermolecular forces.
Chemistry intermolecular forces worksheet answers. Intermolecular forces worksheet answers are on page 3 4. The strength of intermolecular forces present in a substance is related to the boiling point and melting point of the substance. Intermolecular forces worksheet answers 1 using your knowledge of molecular structure identify the main intermolecular force in the following compounds.
Intermolecular forces exist between atoms and molecules determining their physical properties. Intermolecular forces wkst answers due no due date points 0. Do the problems on your own before looking at the answers.
Worksheet intermolecular forces chemical bonds are intramolecular forces which hold atoms together as molecules. Intermolecular forces the tendency of a substance to be found in one state or the other under certain conditions is largely a result of the forces of attraction that exist between the particles comprising it. Has only very weak london dispersion forces lowest b p.
What is the strongest intermolecular force present for each of the following molecules. This is the strongest intermolecular force occurs in molecules with h f h o and h n bonds. Extra practice problems 1.
Stronger intermolecular forces cause higher melting and boiling points. General chemistry ii jasperse intermolecular forces ionic bond strength phase diagrams heating curves. If the molecule is nonpolar then the primary intermolecular force is a london dispersion force.
Force of attraction between the positive end of one molecule and the negative end of another. Available apr 29 2016 at 3pm may 2 2016 at 8am 3 days. Don t post outcomes results to learning mastery.
Intermolecular forces imf can be ranked qualitatively using coulomb s law. Al 2s 3 mgo mgcl 2 nacl strategy. List all types of imfs that would occur in each of the following you should have a good.
Intermolecular forces worksheet answers pdf i ll write free form comments when assessing students. Predict the molecular shape of each of the following. Positive charge on hydrogen is attracted to unshared.
Remove points from rubric. Solubility boiling points melting points. This assignment was locked may 2 2016 at 8am.
If the molecule has an h f h o or h n bond anywhere on it the primary intermolecular force is hydrogen bonding. If the molecule is polar but doesn t have the bonds mentioned above its primary intermolecular force is a dipole dipole force. Rank the ionic bond strength for the following ionic formulas 1 being strongest.
You may find it useful to draw lewis structures to find your answer.