EGAN'S Fundamentals of Respiratory Care Test 1 Cards Set II with Correct Solutions
EGAN'S Fundamentals of Respiratory Care Test 1 Cards Set II with Correct Solutions Three primary state of Matter are: - Answer -Solids, Liquids, and Gases Describe Solids: - Answer -- Have high degree of internal order. - Their atoms or molecules are limited to back and forth motion about a central position. - Maintain their shape due to atoms are kept in place by strong mutual attractive forces, called VAN DER WALLS forces. - Solids are dense and cannot be compressed. Describe Liquids: - Answer -- Molecules have mutual attraction - Forces are weaker than solids - molecules can move freely, that is why they can take the shape of the container they are in. - Liquid are dense and cannot be compressed. Describe Gas: - Answer -- Molecular force is very weak. - lack restriction to their movement - exhibit rapid, random motion with frequent collisions. - Can flow easily What is Potential Energy: - Answer -- energy of position (in one place) - this is result of strong attractive forces between molecules. - most internal energy in solids, liquids is potential energy. What is Kinetic Energy: - Answer -- energy in motion - internal energy in gases is kinetic. Describe Absolute Zero: - Answer -- temp. should exist at which there is no kinetic energy. - the temp. is absolute zero Temperature Scales: - Answer -Kelvin (K)
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