7a - Intermolecular Forces
The result of an interaction between two polar molecules
What is a dipole-dipole force?
A homogeneous mixture in a single phase
What is a solution?
What is solubility?
The large number in front of a reactant or product that indicates the relative amount of the substance in the equation
What is a coefficient?
The unit used to report the number of atoms / molecules of a substance
What is a mol?
A strong intermolecular force between hydrogen and a highly electronegative atom such as oxygen, nitrogen, or fluorine
What is hydrogen bonding?
The thing that does the dissolving (present in the largest amount)
What is a solvent?
When a material doesn't dissolve to any appreciable extent
The small number to the bottom right of an atomic symbol that indicates how many atoms of an element exist in that compound
What is a subscript?
The sum of the individual atomic masses of the atoms in the formula
What is molecular mass?
The weakest intermolecular forces, experienced between all molecules
What are induced-dipole induced-dipole interactions (dispersion forces)?
The thing that gets dissolved (present in smallest amount)
What is a solute?
Polar head groups and nonpolar tails that interact with water and nonpolar oil / dirt / grime respectively to form micelles
What are the parts of a soap molecule?
When balancing a chemical equation, only the coefficients (and not the subscripts) of the reactants and products may be changed in order to satisfy this law
The mass in grams of one mole of aluminum atoms
What is 26.982 grams?
The random alignment of electron distribution between atoms at any given point in time
What is a temporary dipole moment?
What is molarity (M)?
The application of pressure to move water from high solute concentration to low solute concentration
What is reverse osmosis?
Balance the following equation: ____ N2 + ___ O2 --> ___N2O5
What is 2, 5, 2?
Grams of tin (Sn) in 1.80 mol of tin
What is 212 grams?
As the strength of intermolecular forces increases, this also increases
Calculate the molarity of a 0.500 L solution containing 0.420 mol of acetic acid
What is 0.840 M?
The solubility of KCl in water is 34 grams per 100 mL of water at 20 degrees Celsius. If 24 grams of KCl is added to 50 mL of water, ____ grams will remain undissolved.
What is 7 grams?
Determine the coefficients to balance the equation properly: ___ Fe + ___ H2O --> ___ Fe3O4 + ___ H2
What is 3, 4, 1, 4?
Atoms in 92.0 grams of palladium (Pd)
What is 5.20 x 1023 atoms?