IMFs
IMFs between molecules of liquid nitrogen N2
What are London forces?
Rate at time zero of the reaction
What is an initial rate?
This thermodynamic function combines both enthalpy and entropy effects.
What is Gibbs Free Energy?
The conjugate acid corresponding to HPO42-
What is H2PO4-
The electrode where oxidation takes place
What is the anode?
IMFs found between any polar molecules
What are dipole-dipole forces?
In the equation: Rate=k[A]m [B]n k is ______ and m and n are called ___________
What are the rate constant and the orders with respect to A and B?
The following has the highest entropy at a given temperature: CO2(s), CO2(l) or CO2(g)
What is CO2(g)?
The strongest acid in this series: HClO, HClO2, HClO3, HClO4
What is HClO4?
It will oxidize Chromium but not Nickel
What is Fe2+?
The molecule with the highest boiling point: Ethane (C2H6), Dichloromethane (CH2Cl2) or Butanol (CH3CH2CH2CH2OH)
What is butanol?
If tripling the concentration of reactant A multiplies the rate by a factor of nine, the reaction is _______ order in A.
What is second order?
If an endothermic reaction has a negative entropy, is this reaction spontaneous?
Non-spontaneous at all temperatures
Which of the following salts forms a basic solution when dissolved in water?
NH4Cl, NaClO4, KCl, CH3COONa
What is CH3COONa?
Which of these combinations would result in reaction?
Al3+(aq) and Cu(s)
Cr2O72–(aq) and MnO4–(aq)
Pb(s) and MnO4–(aq)
What is Pb(s) and MnO4–(aq)?
All IMFs between acetone (CH3COCH3) and water
What are London forces, dipole-dipole forces and hydrogen bonds?
Three factors that affect the rate of a reaction?
What are temperature, physical state of reactants and catalyst?
Predict the change in entropy for the following reaction:
2 H2S(g) + 3 O2(g) →2 SO2(g) + 2 H2O(g)
Decreases (deltaS<0)
The pH of a 0.0200 M NaOH solution.
What is 12.3?
The standard cell potential (E°cell) of the reaction below is -0.34 V. Calculate the value of ΔG° for the reaction in kJ/mol.
Cu (s) + 2H+ (aq) → Cu2+ (aq) + H2 (g)
What is 66 kJ/mol?
The following molecules are NOT miscible with water: propanol (CH3CH2CH2OH), hexane (C6H14), benzene (C6H6), octanol (C8H17OH)
What are hexane and benzene?
Sucrose decomposes in a first order process. If the half-life of sucrose is 3.21 h, what time is required for 75% of sucrose to decompose?
What is 6.42 h?
The Gibbs Free Energy for the dissolution of PbBr2 at 25.0 °C is + 32.4 kJ/mol .
PbBr2(s) ⇌ Pb2+(aq) + 2 Br-(aq)
Calculate the equilibrium constant, Keq, for the dissolution of PbBr2 at this temperature
2.09 x 10 -6
20.0 mL of 0.100 M HCl solution is titrated with 0.200 M NaOH solution at 25°C. Calculate the volume of NaOH solution (in mL) needed to reach the equivalence point.
What is 10 mL NaOH?
Calculate the voltage and the Gibbs free energy for a voltaic cell based on the reaction
Fe2+ + Mg = Fe + Mg2+
What is 1.93 V and =-372 kJ?