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ChemistryN1

Chemistry Notes

QuestionAnswer
What is Science? any department of knowledge in which the result of investigation has been systematized in the form of hypothesis and general laws subject to verification.
Observe the senses touch-tactile sight-visual smell-olfactory hearing-auditory taste-gustatory
5 kinds of taste sweet sour bitter salty umame
hypothesis rational concept or idea/wild guess or educational guess
theory Proven not true to all things in universe
law statement that are true to all universe
Chemistry? is the science of matter and the changes it undergoes. (Matter)
Matter? occupies space and mass
Mass? amount of substance in a body not dependent on the pull of gravity
Weight? amount of substance in a body that is dependent on the pull of gravity (less gravity,less weight)
Formula for finding your weight on earth We= m x g
Formula for finding your weight on moon Wm= m x g/6
What is g? acceleration due to gravity
2 standard values 9.8 m/s'' for kg (Newton) 980 cm/s''for g (Dynes)
Created by: heramaya
 

 



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