Matter, Atomic Structures, & PES/Light/Electrons
Chemical Rxns/Solutions & Periodic Table Trends
Bonding/VSEPR
& Resonance
& Resonance
Gas Laws & IMF
& Rates of Reaction
& Rates of Reaction
Equilibrium/Acid Base/
Buffers & Titrations
Buffers & Titrations
Thermochemistry
Calorimetry
Calorimetry
Electrochemistry
100
This technique relies on differences in boiling points to separate liquids.
What is distillation?
100
Flourine has the largest value for this, and francium the least.
What is electronegativity?
100
Among covalent, ionic, and metallic bonds, this bond mostly has the property of brittleness.
What is an ionic bond?
100
Boyle’s, Charles’s, Gay-Lussac’s, Avogadro’s law can all be summed up in this one equation.
What is PV = nRT?
100
A solution with pH 2 has this many times greater hydrogen ion concentration than a solution with pH 4.
What is 100 times greater?
100
This law states that energy cannot be created nor destroyed, only transferred/transformed.
What is the first law of thermodynamics?
100
This electrode is where oxidation occurs in both galvanic and electrolytic cells.
What is an anode?
200
This rule states that electrons must fill a subshell on its own before any pairing up can occur, and each electron in a single occupied orbit must have the same spin.
What is Hund’s Rule?
200
Of Na, Mg, Al, and Si, this element has the highest fourth ionization energy relative to its first.
What is Al?
200
One of these species displays resonance? PCl5; PO43-; P4O10; CO
What is phosphate ion/PO43-?
200
This is the classification of a substance that is produced and used up in multi-step mechanisms.
What is an intermediate?
200
The expression for the solubility product constant for Ca3(PO4)2.
What is Ksp = [Ca2+]3[PO43-]2?
200
A first-order reaction has a half-life of 67 minutes. This is the time for the reaction to reach 90 percent completion to the nearest minute.
What is 223 minutes?
200
These K, G, and Ecell values indicate that the forward reaction is thermodynamically favored/spontaneous.
What does a K>1, G<0, E>0 indicate about the reaction?
300
This is the approximate frequency corresponding to a wavelength of 540 nm for studying the photoelectric effect in potassium atoms.
What is 5.6 x 10^14 s^-1?
300
The volume of a 0.100 M HCl stock solution that should be used to prepare 250.00 mL of 0.0250 M HCl.
What is 62.5mL?
300
This is the hybridization of S in SF6.
What is sp3d2?
300
CH₃CH₂OH dissolves in water because it forms hydrogen bonds and dipole–dipole interactions with water. CF₄ does not dissolve because it is nonpolar, has only London dispersion forces, and cannot interact favorably with water’s hydrogen‑bonding network.
Why is CH₃CH₂OH highly soluble in water while CF₄ is not?
300
A weak base has a Kb value of 4x10-4. The pH of a 0.01M solution of this weak base is in this range. Ex 5-6
What is pH of 11-12?
300
A reaction has a positive ΔH° and a positive ΔS°. This condition describes when the reaction becomes spontaneous.
What is the reaction that is spontaneous at high temperature?
300
When balancing a redox reaction in an acidic solution using the half-reaction method, these two species are added to balance oxygen and hydrogen, respectively.
What are H₂O (to balance O) and H⁺ (to balance H)?
400
This electron configuration is for a chromium atom in the ground state.
What is [Ar]4s1 3d5?
400
This is the chemical formula of the precipitate formed when ammonium sulfate solution reacts with Pb(NO3)2 solution.
What is PbSO4 (lead II sulfate)?
400
Molecules of this electron geometry have bond angles of 120 degrees and 90 degrees.
What is trigonal bipyramidal?
400
For a reaction with the rate law rate=k[A]^2[B], doubling [A] and halving [B] changes the reaction rate by this factor.
What is a factor of 2?
400
A 1-molar solution of either NaNO3, Na2CO3, NH4Cl, NaHSO4 Na2SO4 has the highest pH.
What is Na2CO3?
400
Amount of energy needed to raise 100g of 50 °C water to 120 °C?
(Heat capacity of water is 4.18 J/g, Heat capacity of water vapor : 1.87J/(g*C) and Heat of vaporization of water is 2260J/g) Write the answer in Joules.
What is 250000J or 2.50 * 10^5 J?
400
Given a galvanic cell with E°=+1.10 n=2, and temperature at 298 K, this is the approximate value of ΔG° for the reaction (use F=96485 C/mol)
What is about −212 kJ/mol.
500
This equation relates the energy of emitted light to its frequency and is used to calculate the energy change when an electron transitions between energy levels in an emission spectrum.
What is the Planck's constant?
500
This is the net ionic equation for AgNO3 + NaCl -> AgCl + NaNO3?
What is Ag+ (aq) + Cl- (aq) -> AgCl (s)?
500
These are all of the resonance structures of NO3-.
500
This type of intermolecular force is responsible for the unusually high boiling point of water compared to other group 16 hydrides.
What is hydrogen bonding?
500
It makes CF3COOH a stronger acid than CH3COOH.
What is the effect of induction (pulling of the electron cloud) on acid strength?
500
In a coffee-cup calorimeter, the heat released by a reaction is equal in magnitude and opposite in sign to this quantity, which is calculated using the solution’s mass, specific heat, and temperature change.
What is the heat absorbed by the solution (q = mcΔT)?
500
In a standard Zn(s) | Zn2+|| Cu2+| Cu(s) galvanic cell (Ecell = 1.10 V), this is the effect on the cell potential if the concentration of the reactant (Cu2+) is decreased to 0.01M while the product (Zn2+) remains at 1.0 M.
What is the decrease in cell potential?