7/23/2019 Chm021l - Exp. 3 Data

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Experiment 3 - Matter: Classifcation, Properties and Reactions

A. CLASSIFICAI!" !F MAER

a#le 3.$. !#ser%ations on t&e properties o' metals and non-metals. (Arran)e datas

%erticall*+

Iron - solid, #lac, smells lie rst (metal+, not lstros, *es, metalSl'r - solid, pale *ello, smells lie )n poder, not lstros, no, non-metal

Car#on - solid, #lac, odorless, not lstros, no, non-metal

/inc - solid, sil%er, smells lie metal, lstros, no, metal

Ma)nesim - solid, sil%er, odorless, lstros, no, metal

a#le 3.0. Condcti%it* test on di1erent soltions.

2istilled ater - !#ser%ations: "o li)&t, Classifcations: "on-electrol*te

Sodim &*droxide - !#ser%ations: ri)&t, Classifcations: Stron) electrol*te

4*droc&loric acid - !#ser%ations: ri)&t, Classifcations: Stron) electrol*te

Acetic Acid - !#ser%ations: 2im, Classifcations: 5ea electrol*te

6rea - !#ser%ations: "o li)&t, Classifcations: "on-electrol*te

Isoprop*l Alco&ol - !#ser%ations: "o li)&t, Classifcations: "on-electrol*te

S)ar Soltion - !#ser%ations: "o li)&t, Classifcations: "on-electrol*te

a#le 3.3. E1ects o' acids and #ases to indicators. (arran)e datas &ori7ontall*+

4*droc&loric acid - Sta*s t&e same, trned red, sta*s t&e same, trned pin

Sodim &*droxide - trned #le, sta*s t&e same, trned %iolet (la%ender+, trned

*ello oran)e

. C4A"8ES I" MAER

a#le 3.9. !#ser%ations in p&*sical and c&emical reactions.4eatin) iron and sl'r - !#ser%ations: prodced red to #ron )as, dissol%ed sl'r,

prodced a ame ; *pe o' c&an)e: c&emical c&an)e ; E%idence: prodction o' )as

Meltin) o' ice - !#ser%ations: ice melted into ater ; *pe o' c&an)e: p&*sical

c&an)e ; E%idence: c&an)e in p&*sical properties

rnin) ma)nesim ri##on - !#ser%ations: spared, trned into as&es ; *pe o'

c&an)e: c&emical c&an)e ; E%idence: prodction o' &eat and li)&t

Mixin) #arim c&loride it& potassim c&romate - !#ser%ations: it 'ormed an

a