Question 1

Indefinite shape, but definite volume.

Accepted Answer

Identify the characteristics of a liquid.

Question 2

solid

Accepted Answer

Identify the phase in which the water molecules are closest together.

Question 3

Decreasing the pressure favors the less dense state.

Accepted Answer

Other than heating/cooling, how can transitions between the liquid and gas state be accomplished?

Question 4

NH3To determine the boiling point of a compound, the intramolecular forces should be considered. Compounds containing strong intramolecular forces tend to have higher boiling points than compounds with weaker forces. When the boiling points of compounds containing similar intramolecular forces are compared, the molecular mass of the compounds should be considered. The higher the molecular mass, the higher the boiling point.

Accepted Answer

For the pair of compounds NH3 or CH4 the one with the highest boiling point is

Question 5

NO2To determine the boiling point of a compound, the intramolecular forces should be considered. Compounds containing strong intramolecular forces tend to have higher boiling points than compounds with weaker forces. When the boiling points of compounds containing similar intramolecular forces are compared, the molecular mass of the compounds should be considered. The higher the molecular mass, the higher the boiling point.

Accepted Answer

For the pair of compounds CO2 or NO2 the one with the highest boiling point is

Question 6

CS2To determine the boiling point of a compound, the intramolecular forces should be considered. Compounds containing strong intramolecular forces tend to have higher boiling points than compounds with weaker forces. When the boiling points of compounds containing similar intramolecular forces are compared, the molecular mass of the compounds should be considered. The higher the molecular mass, the higher the boiling point.

Accepted Answer

For the pair of compounds CS2 or CO2 the one with the highest boiling point is

Question 7

exhibits dipole-dipole forces.NO2 has a higher boiling point than CO2 because it exhibits dipole-dipole interactions. CO2 has a linear molecular shape and does not have a net molecular dipole moment.

Accepted Answer

The main reason that NO2 has a higher boiling point than CO2 is that NO2

Question 8

exhibits hydrogen bonding.NH3 has a higher boiling point than CH4 because it is capable of hydrogen bonding. The hydrogen bonds result in more energy being necessary to break the atoms apart from one another so that they may enter the gas phase.

Accepted Answer

The main reason that NH3 has a higher boiling point than CH4 is that NH3

Question 9

has a larger molar mass.CS2 has a higher boiling point than CO2 despite having similar intermolecular forces because it has a larger molar mass.

Accepted Answer

The main reason that CS2 has a higher boiling point than CO2 is that CS2

Question 10

Until a certain point, the potential energy of molecules decrease as they get closer to one another.

Accepted Answer

Which of the following statements is TRUE? Until a certain point, the potential energy of molecules decrease as they get closer to one another. Energy is given off when the attraction between two molecules is broken. Intermolecular forces are generally stronger than bonding forces. Increasing the pressure on a solid usually causes it to become a liquid. None of the above are true.

Question 11

dispersion

Accepted Answer

What is the strongest type of intermolecular force present in H2? dipole-dipole hydrogen bonding dispersion ion-dipole None of the above

Question 12

dipole-dipole

Accepted Answer

What is the strongest type of intermolecular force present in CHF3? dispersion dipole-dipole ion-dipole hydrogen bonding None of the above

Question 13

hydrogen bonding

Accepted Answer

What is the strongest type of intermolecular force present in NH2CH3? dispersion hydrogen bonding ion-dipole dipole-dipole None of the above

Question 14

ion-dipole force

Accepted Answer

What type of intermolecular force causes the dissolution of NaCl in water? dispersion forces hydrogen bonding ion-dipole force dipole-dipole forces None of the above

Question 15

dispersion forces

Accepted Answer

Identify the weakest type of intermolecular forces. dispersion forces dipole-dipole forces ion-dipole forces hydrogen bonding ionic forces

Question 16

Cl2

Accepted Answer

Choose the molecule or compound that exhibits dispersion forces as its strongest intermolecular force. Cl2 HF CO NaCl All of these have intermolecular forces stronger than dispersion.

Question 17

SO2

Accepted Answer

Choose the molecule or compound that exhibits dipole-dipole forces as its strongest intermolecular force. SO2 H2 CF4 NH3 BCl3

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