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level: States of matter

Questions and Answers List

level questions: States of matter

QuestionAnswer
Definition of diffusionIt is the net movement of particles from a region of higher concentration to a region of lower concentration as result of their random movement.
State how the particles of a solid, liquid and gas are arranged.Solid- Particles are in a fixed pattern(lattice) due to strong forces of attraction so they cannot leave their positions but are able to vibrate. Liquid- Particles can move about and slide past each other, the particles are clos to each other but not in a lattice as the forces holding them are weaker than in a solid. Gas- Particles are far apart and move about very quickly since there's almost no force holding them together.
What are the two ways to increase gas pressure?Decreasing the volume of container increasing the temperature
What are the two factors that affect the rate of diffusionMass of particles Temperature