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Chpt: 3

Chapter 3: Matter and Energy

QuestionAnswer
Matter anything that occupies space and has mass
Crystalline arrange in geometric patterns with repeating order
Amorphous atoms and molecules do not have an order
mixture composed of two or more different types of atoms or molecules combined in variable proportions
Physical Change matter changes its appearance but not its composition
Chemical Change matter does change its composition
Decanting carefully pouring off top
distillation Process in which the mixture is heated to boil off the more volatile
filtration Mixture composed of a solid and a liquid separated....Mixture poured through filter paper
1 cal 4.184 Joules
1 kilowatt 3.60 x 10^6 joules
kalvin K = C + 273.15
celcius C = (F-32) / 1.8
Heat capacity the quantity of heat required to change the temperature of a amount of the substance by 1 C
Specific heat capacity has units of joules per gram per degree C
Heat Mass x Specific heat capacity x Temperature Change
Created by: 520839176