Podcast
Questions and Answers
What happens to the speed of atoms/molecules when a substance is heated?
What happens to the speed of atoms/molecules when a substance is heated?
- The speed of the atoms/molecules remains the same.
- The atoms/molecules themselves expand or shrink.
- The speed of the atoms/molecules decreases.
- The speed of the atoms/molecules increases. (correct)
What is the relationship between the speed of atoms/molecules and temperature?
What is the relationship between the speed of atoms/molecules and temperature?
- Temperature is not related to the speed of atoms/molecules.
- Temperature is inversely proportional to the speed of atoms/molecules.
- Temperature is a measurement of the volume of the substance.
- Temperature is directly proportional to the speed of atoms/molecules. (correct)
What happens to the volume of a substance when it is cooled?
What happens to the volume of a substance when it is cooled?
- The volume of the substance remains the same.
- The atoms/molecules themselves expand or shrink.
- The volume of the substance decreases. (correct)
- The volume of the substance increases.
What is the relationship between energy transfer and cooling/heating a substance?
What is the relationship between energy transfer and cooling/heating a substance?
What happens to the frequency and strength of collisions between atoms/molecules when a substance is warmed?
What happens to the frequency and strength of collisions between atoms/molecules when a substance is warmed?
What effect does a higher temperature have on the speed of particles?
What effect does a higher temperature have on the speed of particles?
How does lower pressure affect the movement of particles in a gas mixture?
How does lower pressure affect the movement of particles in a gas mixture?
What role does viscosity play in the diffusion of particles through a medium?
What role does viscosity play in the diffusion of particles through a medium?
What is the primary function of Gas Chromatography-Olfactometry (GC-O) in odor detection?
What is the primary function of Gas Chromatography-Olfactometry (GC-O) in odor detection?
How do Electronic Noses (E-Noses) detect odor components in gaseous samples?
How do Electronic Noses (E-Noses) detect odor components in gaseous samples?
