Intermolecular Forces
Concentration
Phases of Matter
Solutions and Colloids
Kinetics
100

The weakest intermolecular force

What are London Dispersion Forces?

100

This is the definition of molality

What is moles of solute per kilogram solvent? 

100

This is the process when water vapor turns to frost on a car windshield.

What is deposition?

100

This type of molecule, when incorporated into a mixture of immiscible liquids, prevents/inhibits the coalescence of the dispersed liquid

What is an emulsifier?

100

Raising the temperature does this to the reaction rate

What is raise/increase the reaction rate? 

200

The intermolecular forces found in butanol

What are London Dispersion, Dipole-dipole, and Hydrogen bonding?

200

The units for mole fraction xA

What is dimensionless?
xA = moles A/total moles

200

This type of solid exhibits a well-defined and repeating three-dimensional pattern of particles held together by strong covalent bonds.

What is a covalent network solid?

200

Adding sucrose to water does this to the boiling point

What is raise/elevate the boiling point?

200

This is the impact of the use of a catalyst.

What is lowering the activation energy /  increasing the rate of reaction?

300

The molecule with a higher boiling point

Ethane 

Hexane 

What is hexane?

300

This is the osmotic pressure of an aqueous solution containing 0.02 M solute at 25 C.

R = 0.0821 (L * atm) / (mol *K)

What is 0.5 atm?

300

The processes occurring at point A

What are melting/freezing?

300

The continuous phase in smoke, a colloid, is this.

What is air?

300

This is the reaction rate with respect to B when the reaction A + B → C has the following rate equation: rate = k[A][B]2


What is second order?

400

The substance with the lower vapor pressure 

CHF3

OR

CF4


What is CHF3?

400

This is the freezing point of a 0.325 m solution of a nonvolatile nonelectrolyte solute in carbon tetrachloride.

Freezing Point pure solvent -23 C

Kf = 29.8 K kg mol-1

What is -33 C?

400

This amount of heat required to convert 50.0 g ice at -25.0 °C into water vapor at 105. °C


Specific heat capacity of ice = 2.09 J/g°C

Heat of fusion = 334 J/g

Specific heat capacity of water= 4.18 J/g°C

Heat of vaporization = 2260 J/g

Specific heat capacity of steam = 2.01 J/g°C

What is 153 kJ?

400

You add 5.67 g of glucose (C6H12O6) to 25.2 g of water at 25 C. The vapor pressure of pure water is 23.8 mm Hg at 25 C. This is the vapor pressure of the solution.

What is 23.3 mm Hg?

400

The decomposition of NO2 is second order in NO2 with k = 0.543 M-1s-1. If the initial concentration of NO2 is 0.0500 M, this is the concentration after 375 seconds.

What is 4.47 x 10 -3 M?