Shapes of the molecules
Polarity and Intermolecular forces
Hybridization and CHEM 1251
Mixtures and Solubility
Phase Changes
100

Molecular geometry of CO2

What is linear?

100

Analyze the compound H2O and determine if it’s polar or nonpolar and find its strongest intermolecular force

What is Polar and Hydrogen bonding?

100

Which hybridization has 3 electron domains

What is sp2?

100

A liquid’s boiling point is _____ at high pressure and ____ at low pressure.

What is higher and lower?

100

Name of the phase change from a Solid to a liquid and enthalpy change state

What is Fusion and Endothermic?

200

Determine the bond angle of a compound with tetrahedral electronic geometry

What is 109.5°?

200

Strongest intermolecular force for Li+ dissolved in H2O

What is Ion dipole?

200

Identify the hybridization for the electron geometry of Trigonal Bipyramidal

What is sp3d?

200

If two substances have similar __________, they are likely to form a solution.

What is Intermolecular forces?

200

Name of the phase change from a Gas to a Solid and enthalpy change state

What is Deposition and Exothermic?


300

Molecular geometry for SF4

What is seesaw?

300

More polar bond of C-F and C-Cl

What is C-F?

300

Hybridization of the central atom of BrF5

What is sp3d2?

300

Differences in _____ can account for the tendency of some substances to mix while others do not.

What is polarity?

300

The temperature and pressure beyond which distinct gas and liquid phases no longer exist


What is the critical point?

400

Molecular geometry has a 109.5° angle with only one lone pair sets

What is Trigonal Pyramidal?

400

Rank these compounds from weakest to strongest capable intermolecular force NaCl, SF4, CH4, and CH3OH

What is CH4 < SF4 < CH3OH < NaCl?

400

Identify hybridization around the central atom for CO32-

What is sp2?

400

This liquid is expected to have the highest vapor pressure at room temperature, CH4, C3H8, CH3OH, NaCl

What is CH4?

400

The ________ of a liquid has to be equal to the external atmospheric pressure for boiling to start

What is Vapor Pressure?


500

Analyze SF6, ClF3, and XeF2, determine their molecular geometries

What is Octahedral for SF6, T-Shaped for ClF3, and Linear for XeF2?

500

Analyze SCl4 and KrF2, determine if they are polar or nonpolar and find their strongest intermolecular forces

What is Polar and dipole dipole for SCl4 and nonpolar and London dispersion for KrF2?

500

Complete this stoichiometry problem: How many grams of Oxygen are needed to completely burn 0.0032 kg of methane (CH4)?

What is 12.8 g of O2?

500

Name at least three features of a liquid mixture that increase with an increase in intermolecular forces

What is boiling point, melting point, viscosity, or surface tension?

500

Pentane (C5H12) has a vapor pressure of 75.0 torr at -18.15° C and a vapor pressure of 0.208 atm at 270 K. Find the enthalpy of vaporization for this compound.

What is 28.5 kJ/mol?

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