what two characteristics determine the strength of a london dispersion interaction? (i) (ii)
Match each of the following: Hydrogen bond London dispersion forces Covalent bond Dipole-dipole interaction Ionic interaction 1. ~20 kJ/mol 2. ~10 kJ/mol 3. ~400 kJ/mol 4. ~80 kJ/mol 5. ~0.4kJ/mol
What intermolecular forces of attraction are present among two molecules of N-methylethanamine? a. London Dispersion only b. London Dispersion and Dipole-Dipole c. Dipole-Dipole only d. Hydrogen Bonding only e. London Dispersion and Hydrogen Bonding f. Dipole-Dipole and Hydrogen Bonding g. London Dispersion, Dipole-Dipole and Hydrogen Bonding
Classify the following mixtures of liquids into (A) those with London Dispersion forces between the two molecules (B) those with London Dispersion forces and dipole-dipole attraction between the two molecules (C) those with London Dispersion forces, dipole-dipole attraction and hydrogen bonding between the two molecules |1-propanol and 1-butanol 1,1,2,2-tetrachloroethane and ethanol methylbenzene and 1,2-dimethylbenzene trichloromethane and dichloromethane benzene and cyclohexane bromobutane and ethanol
options : electrostatic attraction, London dispersion force,disulfide bond, amide bond,hydrogen bond The tertiary structure of a protein is shown below. Identify each of the labeled interactions. Interaction ais (Select] Interaction bis (Select] Interaction cis (Select] Interaction d is (Select] 0- Z-I H-N NH3 6 SS CH3 CHCH2CH3 CH3 CH,CH.CH
The following questions are true/false 1. The potential energy associated with London dispersion interactions decreases with intermolecular distance as r-12 (where r is the intermolecular distance). 2. SiH4 is more polarizable than CH4. 3. In H2, the antibonding orbital formed by linear combination of two 1s orbitals has zero nodes. 4. In N2, the π bonding orbital formed by linear combination of two 2p orbitals has one node. 5. CO2 has zero total permanent dipole moment. 6. The kinetic energy...
How are leads I, II, III determined; why is there an interaction; and how can you determine if you have a good connection using the interaction of these leads?
How are leads I, II, III determined; why is there an interaction; and how can you determine if you have a good connection using the interaction of these leads?
I. Bareon Example For the two simply su s shown, determine thé interaction force at El, El 48EL 384Ta I. Bareon Example For the two simply su s shown, determine thé interaction force at El, El 48EL 384Ta
What are the key characteristics of the following anomaliesL (i) size; (ii) value; and (iii) low beta? (any theoretical justification on each would be helpful)
(a) Determine the electric field strength between two parallel conducting plates to see i# it will exceed the breakdown strength for air (3 x 10 v/m). The plates are separated by 3.27 mm and a potential dfference of 5585 V is applied v/m How dose together can the plates be with this applied voltage without exceeding the breakdown strength