October 2020 0 88 Report
Qual a variaçao de entalpia ( > H) da reaçao de combustao do etanol ( C2 H5 OH) a 25.C e 1atm sabendo-se que C2H5OH1=66,4 kcal\ mol
8
C2H5OH1+302 > 2CO2 +3H2O1
8
Atençao;adote a entalpia padrao
-CO2 = - 94,2 Kcal\ H2O1= -68,4Kcal\ mol
8
A) -459,8 kcal\ mol
B) -326,7 kcal\ mol
C) +459,8 kcal\mol
D) + 326,7 kcal\ mol
E) - 49,7 kcal \mol
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.
More Questions From This User See All
A expressao que com corretamente a frase Studying isimportant--------------- you like to study or not. e A) however B) unless C) although D) studied E) even
Responda
They saw men and women talking-to----------own hearts. A) his B) they C) her D) their E) them
Responda
Usually adverbs of manner are made by adding A) -ed B) -ing C) -er D) -ly E) n.d.a
Responda
complete with the adjective coparative of equality ( complete com o adjetivo comparativo de igualdade) Tourism in POtugal is --------- important as agriculture and fishing A) as B) more C) less D) most E) least
Responda
O verbo que completa corretamente a frase That student wants-------------- every day e A) study B) to study C) studying D) studied E) to studying
Responda
Responda
O composto de formula plana CH3 CH3---C---CH---CH2---CH3 CH3 CH3 Possui; A) 3 carbonos primarios 3 carbonos secundarios 1 carbonos terciarios e 1 carbono quaternario B) 4 carbonos primarios 1 carbono secundario 2 carbonos terciarios e 1 carbono quaternario C) 5 carbonos primarios 1carbono secundario 1 carbono terciario e 1 carbono quaternario D) 3 carbonos primarios 2 carbonos secundarios 2 carbonos terciarios e 1 quaternario E) 6 carbonos primarios 1carbono secundario e 1 carbono quaternario
Responda
Responda
Responda
Responda

Helpful Links

Helpful Social

Copyright © 2024 ELIBRARY.TIPS - All rights reserved.