The heating curve for a sample of pure ethanol is provided above. The temperature was recorded as a 50.0 g sample of solid ethanol was heated at a constant rate. Which of the following explains why the slope of segment T is greater than the slope of segment R?
A. The specific heat capacity of the gaseous ethanol is less than the specific heat capacity of liquid ethanol.
B. The specific heat capacity of the gaseous ethanol is greater than the specific heat capacity of liquid ethanol
C. The heat of vaporization of ethanol is less than the heat of fusion of ethanol
D. The heat of vaporization of ethanol is greater than the heat of fusion of ethanol
Answers: 2
Chemistry, 22.06.2019 01:20
Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-
Answers: 1
Chemistry, 22.06.2019 06:00
Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %
Answers: 1
Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
Chemistry, 22.06.2019 12:00
Which statement best explains the relationship between an area is geography and the temperature of its surface water
Answers: 1
The heating curve for a sample of pure ethanol is provided above. The temperature was recorded as a...
Biology, 26.09.2021 20:20
Social Studies, 26.09.2021 20:20
Social Studies, 26.09.2021 20:20
Mathematics, 26.09.2021 20:20
English, 26.09.2021 20:20
Mathematics, 26.09.2021 20:20
Mathematics, 26.09.2021 20:20
Mathematics, 26.09.2021 20:20
Mathematics, 26.09.2021 20:20
Mathematics, 26.09.2021 20:20
Physics, 26.09.2021 20:20
English, 26.09.2021 20:20
Chemistry, 26.09.2021 20:20
Geography, 26.09.2021 20:20
Mathematics, 26.09.2021 20:20