An overview of the organic molecule.Full description
Acetic Acid
it gives the idea about acetic acid preparation
Acetic Acid Plant Design
Adsorption of acetic acid on charcoal surface
Adsorption of acetic acid on charcoal surface
Chemistry Class 12 Project (Acetic Acid)Full description
Determination of Acetic Acid in Vinegar
Synthesis of Aspirin in Organic ChemistryFull description
DETERMINATION OF THE CONCENTRATION OF ACETIC ACID IN VINEGAR LAB REPORT 1
Full description
Acetic anhydride also known as ethanoic anhydride or methyl carboxylic anhydride is a colourless liquid, very similar to acetic acid in its pungent, acrid odour, viscosity, density & refract…Full description
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G - Resolución de Problemas (1)
Ejercicios de Vocalización para aprender a cantarDescripción completa
Ejercicios de Vocalización para aprender a cantarDescripción completa
Descripción: Ejercicios de Vocalización para aprender a cantar
G - Resolución de Problemas (1) (1)
1) 200 g solutie de acid acetic de concentratie 98% se supune reactiei de esterificare cu etanol.Scrie ecuatia reactiei reactiei chimice care are loc si calculeaza masa de acetate de etil obtinuta stiind ce randamentul reactiei este de 66 %. Ecuatia reactiei: 1 mol CH 3 – COO – CH 2 – CH3 = 4 ∙ 12 + 8 + 2 ∙ 16 = 88 g
60 g 88 g CH3 – COOH + HO – CH 2 – CH3 → CH3 – COO – CH 2 – CH3 + H2O 129,36 g a! "e calculeaa ma#a $e aci$ acetic care #e ga#e#te i% 200 g #olutie, #tii%$ ca i% 100 g #olutie #u%t 98 g aci$ acetic: 100 g #olutie&&&&&&'' 98 g aci$ acetic 200 g #olutie&&&&&&&( ( = 200 ∙ 98)100 = 196 g CH 3 – COOH *! "e calculeaa cat aci$ acetic #e tra%#orma i% e#ter #tii%$ # tii%$ ca $i% 100 g aci$ acetic reactio%eaa $oar 66 g ra%$ame%tul e#te 66-! 100 g CH 3 – COOH i%tro$u#&&&&&&'66 g CH 3 – COOH #e tra%#orma 196 g CH 3 – COOH i%tro$u#&&&&&&' ( ( = 196 ∙ 66)100 = 129,36 g CH 3 – COOH #e tra%#orma c! "e calculeaa , cu a.utorul ecuatiei c/imice cat e#ter #e o*ti%e $i% 129,36 g CH 3 – COOH ( = 129,36 129,36 ∙ 88)60 = 189,28 g CH 3 – COO – CH 2 – CH3
2) Se supun fermentatiei acetice 300 g solutie de etanol de concentratie 6%. 30% din acidul acetic obtinut reactioneaza cu pulbere de aluminiu! substanta cunoscuta in medicina sub numele de "apa de #uro$".Se cere a)calculati masa de acid acetic obtinuta prin fermentatia acetica a etanolului& b)calculeaza b)calculeaza masa de aluminiu de puritate 80% necesara reactiei reactiei cu acidul acetic si masa de acetat de aluminiu obtinuta!stiind ca randamentul reactiei reactiei este de '(%.
Ecuatia reactiei : 1 mol CH 3 – CH2 – OH = 46g 1 mol CH 3 – COOH = 60 g 46 g 60 g CH3 – CH2 – OH + O 2 → CH3 – COOH + H 2O 138 g g a! "e calculeaa ma#a $e alcool etilic #e ga#e#te i% 300 g #olutie, #tii%$ ca i% 100 g #olutie #u%t 46 g alcool #ta #e oate calcula ri% regula $e trei #imla #au cu ormula co%ce%tratiei roce%tuale 100 g #olutie '''''''''''''''''' 46 g alcool 300 g #olutie ''''''''''''''''''' ( g alcool ( = 300 ∙ 46 ) 100 = 138 g alcool etilic
*! "e calculeaa cat aci$ acetic #e o*ti%e cu a.utorul ecuatiei c/imice = 138 ∙ 60 ) 46 = 180 g CH 3 – COOH c! "e calculeaa cat rerei%ta 30 - $i% CH3 – COOH o*ti%ut 100 g CH 3 – COOH o*ti%ut '''''''''''''''' 30 g CH 3 – COOH reactio%eaa cu l 180 g CH 3 – COOH o*ti%ut ''''''''''''''''' g CH 3 – COOH reactio%eaa cu l = 180 ∙ 30 ) 100 = 4 g CH 3 – COOH reactio%eaa cu l $! Ecuatia reactiei aci$ului acetic cu l 3 ∙ 60 g 2 g 204 g 3 CH3 – COOH + l → CH 3 – COO!3l + 3)2 H2 4 g (