Quantum Model
Electrochemistry
Chemical Equilibrium
Organic Chemistry
Thermodynamic Chemistry
200
This orbital is able to hold up to 6 electrons.
What is the P Orbital?
200
This device maintains electrical neutrality by allowing the flow of ions in the two voltaic cells.
What is a salt bridge?
200
This concept says the rate of the forward reaction is equal to the rate of the reverse reaction.
What is dynamic equilibrium?
200
Name this hydrocarbon.
What is a hexane?
200
This term defines when heat is absorbed into the system and ∆H values are positive.
What is Endothermic?
400
This element has this condensed electron configuration: [Kr] 5s^2 4d^3
What is Niobium (Nb)?
400
In a galvanic cell, electrons are released from this electrode.
What is an anode?
400
This rule states that "if a dynamic equilibrium is affected by changing conditions, the equilibrium position shifts to counteract the change and re-establish equilibrium."
What is Le Chatelier's principle?
400
Name this hydrocarbon.
What is 1,2-dimethylcyclopropane?
400
This rule states that "the value of ∆H for any reaction that can be written in steps equals the sum of the values of ∆H for each of the individual steps, leading back to the target reaction".
What is Hess’s Law?
600
This element has these quantum numbers: n= 3 L= 2 ml= -2 ms = -½
What is Iron (Fe)?
600
State the oxidation numbers of this compound: Mn2O7.
What are +7 (Mn2) and -2 (O7)?
600
If a reaction is spontaneous in the forward direction, it is __________________ favored.
What is product favored?
600
Name this hydrocarbon.
What is 3,4-dichloro-1-pentanol?
600
_______________ is associated with the physical, chemical, or nuclear change involving one mole of a substance.
What is Molar Enthalpy?
800
This rule states that "no two electrons can possess identical values for all four quantum numbers".
What is the Pauli Exclusion Principle?
800
Balance the following reaction in an acidic solution. State the coefficients for each compound.
H2O2 + Cr2O7^(2-) → O2 + Cr^3+
What is 8(H+), 3(H2O2), 1 (Cr2O7^-2), 3(O2), 2(Cr^+3), 7(H2O)?
8H+ + 3H2O2 + Cr2O7^(2-) -------> 3O2 + 2Cr^3+ + 7H2O
800
Find the Keq Constant: Nitrogen reacts with chlorine gas to produce nitrogen trichloride.
N2(g) + 3Cl2(g) ⇌ 2NCl3(g)
The concentrations at equilibrium are (N2= 0.15M) (Cl2=0.25M) (NCl3=0.5M).
What is Keq = 106.7?
800
Name this hydrocarbon.
What is 4-chloro-1-ethoxyhexane?
800
A 40.0g sample of ethanol releases 2953 J as it cools from 50.0°C. Calculate the final temperature of ethanol.
What is 20°C?
1000
These energy level diagrams describe this rule.
What is Hund’s Rule? Which states that electrons will initially occupy all energy levels alone and have the same spin.
1000
Balance the following half reaction in a basic solution. State the coefficients for each compound.
Cr2O7^(2-) → Cr^(3+)
What is 1(Cr2O7^2-), 7(H2O), 6(e-), 14(OH-) 2(Cr^3+)?
Cr2O7^(2-) + 7H2O + 6e- → 14OH- + 2Cr^(3+)
1000
Calculate the pH of a 2.00 mol/L solution of hydrofluoric acid. The Ka of hydrofluoric acid is 6.6 × 10^-4
HF(aq) + H2O(l) ⇌ F-(aq) + H3O+(aq)
What is pH = 1.44?
1000
Name this hydrocarbon.
What is N,N-dimethyl-3-octanamine?
1000
From the following enthalpy changes, determine the enthalpy change for the reaction: N2(g) + O2(g) → 2NO(g)
What is +180 kJ?