CHEM 100 CH1 - C H1 W ha t is Chem is t r y? Chem is t r y...

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Unformatted text preview: C H1 W ha t is Chem is t r y? Chem is t r y s t u d ies ma t te r, p rope r t ies an d how t o ma n i p u l a te t hese p rope r t ies t o crea te new ma t te r. Ho w does chem is t r y a f fec t us? We can crea te new t oo ls t o i m p rove t he qua l i t y of l i fe, fo r p ro f i t , fo r power, t o sa t is f y ou r cu r ios i ty. We need t o u n de rs t a nd chem is t r y i n o rde r t o ma ke k now ledgeab le decis ions. We need t o lea r n t he con nec t io ns be t ween t he b ehav io r of ma t te r a nd t he behav io r of t he pa r t ic les t h a t compose i t . To do t h is cons is ten t ly, we need t o u n de rs t a n d t he a pp roach t a ke n t o obse rve w h a t is a rou n d us, t es t o u r i deas abou t w h y we see w h a t we do a nd u l t i m a te l y be ab le t o exp la i n an d p red ic t f u t u re o u tcomes. T he Scien t i f ic Me t hod: Observa t io n – o bse r v i ng/s ta t i ng a n even t or p he nomenon t h a t happens i n t he ou ts i de wo r l d. H y pot hes is – u n tes ted i dea/sugges t ion t h a t may e xp la i n t he obse r va t io n. Expe r i men ts – t es t t h a t we ca r r y ou t desig ned t o d e te r m i ne i f a hypo t hes is is t r ue o r fa lse W ha t is a T heo r y? A t ho roug h l y t es ted mode l t h a t desc r i bes how n a t u re behaves. T h is mode l is t he p rod uc t of seve ra l we l l - estab l is hed a nd t es ted sc ien t i f ic l a ws an d exp la i ns a l a r ge se t of obse r va t io ns. T es ted a g rea t dea l befo re p roposed as a t heo ry, so t he l i ke l i hood of i t no t be i ng t r ue is ex t re me l y sma l l … W ha t is a L a w? A s ta te men t based on si m i l a r obse r va t io ns a nd ma y p red ic t f u t u re ou tcomes of s i m i l a r expe r i me n ts. L a ws a re a lso s ub jec ted t o va l i da t io n v ia expe r i me n t . L a ws t e n d t o be mo re g ene ra l s ta te men ts t h a n obse r va t io ns ( have g rea te r r a m i f ica t io ns, t y p ica l l y). No te: U n l i ke a t heo ry, a la w on ly desc r i bes obse r va t io ns; i t d oes no t a t temp t t o exp la i n t he m! ...
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CHEM 100 CH1 - C H1 W ha t is Chem is t r y? Chem is t r y...

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