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4.2 chemistry

chemistry

QuestionAnswer
states same as phases
phases the condition matters is found in
physical change is when some of the properties change but the compaction of the material doesn't change
endothermic reactions are when energy is taken in
exothermic reactions when energy is released
give an example of reversible physical change boil,freezing, melt,condense
give an example of irreversible physical change cutting
if a reaction gets cold, exothermic because heat is leaving
if a reaction gets hot, endothermic because heat is coming in
Solid to liquid melting
liquid to gas vaporization
gas to liquid condensation
liquid to solid freezing
gas to solid desublimation
solid to gas sublimation
solid -> liquid -> gas ->further apart and more energy
what are other phases plasma and bose-einstein condensates
Created by: user-1975553
 

 



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