chem 2nd achievement

According to the Kinetic Molecular Theory, what happens to gases as temperature increases?

• Particles move at higher speeds

• Particles stop moving

• Particles move at lower speeds

• Particles move in a straight line

What type of forces occur between nonpolar molecules?

• Hydrogen bonds

• Ionic bonds

• London dispersion forces

• Covalent bonds

What defines the temperature at which a liquid changes into a gas?

• Vapor pressure

• Boiling point

• Evaporation

• Surface tension

What type of solids have a well-defined and ordered arrangement of particles?

• Gas solids

• Crystalline solids

• Liquid solids

• Amorphous solids

What causes the curvature observed in water droplets on a surface?

• Evaporation

• Vapor pressure

• Boiling point

• Surface tension

What is the likely effect of increased temperature on vapor pressure?

• Vapor pressure decreases

• Vapor pressure becomes zero

• Vapor pressure increases

• Vapor pressure remains the same

What type of forces are likely to be observed in ethanol?

• Covalent bonds

• Ionic bonds

• Hydrogen bonds

• London dispersion forces

What is the likely effect of unsaturated bonds on intermolecular forces?

• Strengthen intermolecular forces

• Weaken intermolecular forces

• No effect on intermolecular forces

• Create new intermolecular forces

What is the primary factor that determines the strength of hydrogen bonding?

• Mass of gas particles

• Electronegativity difference between atoms

• Pressure

• Temperature

What is the likely effect of polar functional groups on solubility in water?

• Decrease solubility

• No effect on solubility

• Create new solubility

• Increase solubility