Podcast
Questions and Answers
What is surface tension?
What is surface tension?
- The energy required to stretch or increase the surface of a liquid by a unit area (correct)
- The force exerted by the weight of the air on a liquid's surface
- The measure of a fluid's resistance to flow
- The tendency of a liquid to rise in narrow tubes
What determines viscosity of a fluid?
What determines viscosity of a fluid?
- Atmospheric pressure and temperature
- Vapor pressure and boiling point
- Strength of intermolecular force, shape of the molecule, and temperature (correct)
- Cohesive force and adhesive force
Which factor results in high viscosity for a fluid?
Which factor results in high viscosity for a fluid?
- Low intermolecular force
- Low kinetic energy
- High temperature
- Large molecules (correct)
What is vapor pressure?
What is vapor pressure?
What does capillary action refer to?
What does capillary action refer to?
What is atmospheric pressure?
What is atmospheric pressure?
What does ΔHvap represent?
What does ΔHvap represent?
Which substance has the highest molar heat of vaporization?
Which substance has the highest molar heat of vaporization?
What is the heat released when 1 mole of a gas condenses called?
What is the heat released when 1 mole of a gas condenses called?
What type of solids have distinct melting points and are anisotropic?
What type of solids have distinct melting points and are anisotropic?
Which type of solid is composed of oppositely-charged ions linked together by ionic bonds?
Which type of solid is composed of oppositely-charged ions linked together by ionic bonds?
What type of solid has large atoms causing the nucleus to lose strong hold on the valence electrons?
What type of solid has large atoms causing the nucleus to lose strong hold on the valence electrons?
What is the basic repeating structural unit of a crystalline solid called?
What is the basic repeating structural unit of a crystalline solid called?
What is the number of atoms surrounding an atom in a crystal lattice known as?
What is the number of atoms surrounding an atom in a crystal lattice known as?
What property of liquids is a measure of a fluid’s resistance to flow?
What property of liquids is a measure of a fluid’s resistance to flow?
Which factor contributes to high viscosity for a fluid?
Which factor contributes to high viscosity for a fluid?
What determines the surface tension of a liquid?
What determines the surface tension of a liquid?
Which property refers to the tendency of a liquid to rise in narrow tubes or be drawn into small openings?
Which property refers to the tendency of a liquid to rise in narrow tubes or be drawn into small openings?
What is the constant pressure established when the exiting evaporation rate is equal to the entering condensation rate known as?
What is the constant pressure established when the exiting evaporation rate is equal to the entering condensation rate known as?
Which type of crystalline solid is characterized to be soft or deformable with low melting points?
Which type of crystalline solid is characterized to be soft or deformable with low melting points?
What is the coordination number in a crystal lattice?
What is the coordination number in a crystal lattice?
Which type of crystalline solid has no distinct melting points and atoms that are arranged in a rigid and orderly way?
Which type of crystalline solid has no distinct melting points and atoms that are arranged in a rigid and orderly way?
What is the heat released when 1 mole of a gas condenses called?
What is the heat released when 1 mole of a gas condenses called?
What type of crystalline solid has large atoms causing the nucleus to lose strong hold on the valence electrons?
What type of crystalline solid has large atoms causing the nucleus to lose strong hold on the valence electrons?
