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ChemistryN1
Chemistry Notes
Question | Answer |
---|---|
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) |