1249671
| Frage | Antworten |
| what is the strongest type of molecular force present in NH2CH3 | hydrogen bonding |
| which exhibits dipole-dipole as its strongest molecular force a. H2 b. SO2 c. NH3 d. CF4 e. BCl3 | c. NH3 |
| which has the smallest dipole-dipole force a. CH3Cl b. Hbr c. O2 D. NO | O2 |
| which of the following only exhibits dispersion and dipole-dipole intermolecular forces? a. H2 b. HI c. CO2 d. CH3NH2 | b. HI |
| choose the substances with the lowest surface tension a. CH3SH b. CH3CH2CH2CH3 c. C6H6 d. H2O e. (CH3)2CO | CH3CH2CH2CH# |
| choose substance with the lowest viscosity A. Cl3CCCl3 b. Cl2CHCH2Cl c. Cl2CHCHCl2 D. ClCH2CH2Cl E. Cl3CCHCl2 | D. ClCH2CH2Cl |
| substance with highest vapor pressure A. SiS2 B. RbCl C. CH3SCH3 D. BF3 E. SbH3 | D. BF3 |
| lowest vapor pressure A. CO2 B. BeCl2 C. BF3 D. He E. PF5 | ionic bonding BeCl2 |
| which would have the highest heat of vaporization a. Xe B. C6H6 C. SiF4 D. Br2 E. N2 | Br2 all have DISPERSION so go by molar mass |
| Place the following substances in order of decreasing vapor pressure at a given temperature. BeF2 CH3OH OF2 | BeF2 is ionic CH3OH is h-bond OF2 is neither OF2>CH3OH>BeF2 |
| Which of the following compounds has the highest boiling point? A) H2O B) H Cl C) H2S D) N H3 | A) H20 |
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