Choose a heating curve for 1 mole of ethanol beginning at 140 K and ending at 380 K. Assume that the values for ethanol given here are constant over the relevant temperature ranges. Vapour/gas Melting Point 159 K 340 Boiling Point 352 K ΔΗ 4.9 kJ - mol 290 ΔΗ 38.6 kJ - mol 1 Liquid 240 111 J. mol. K ! 1 C solid C, liquid 110 J. mol .K 1 190 Cs, gas 78.3 J- mol .K ' Solid 140 10 20 30 40 50 60 70 80 Heat added (kJ/mol) Vapour/gas 340 290 240 Liquid 190 Solid 140 10 20 30 40 50 60 70 80 Heat added (kJ/mol) Temperature (K) Temperature (K)
Choose a heating curve for 1 mole of ethanol beginning at 140 K and ending at 380 K. Assume that the values for ethanol given here are constant over the relevant temperature ranges. Vapour/gas Melting Point 159 K 340 Boiling Point 352 K ΔΗ 4.9 kJ - mol 290 ΔΗ 38.6 kJ - mol 1 Liquid 240 111 J. mol. K ! 1 C solid C, liquid 110 J. mol .K 1 190 Cs, gas 78.3 J- mol .K ' Solid 140 10 20 30 40 50 60 70 80 Heat added (kJ/mol) Vapour/gas 340 290 240 Liquid 190 Solid 140 10 20 30 40 50 60 70 80 Heat added (kJ/mol) Temperature (K) Temperature (K)
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Vapour/gas
340
290
Liquid
240
190
Solid
140
10
20
30
40
50
60
70
80
Heat added (kJ/mol)
Vapour/gas
340
290
Liquid
240
190
Solid
140
10
15
20
25
30
Heat added (kJ/mol)
Temperature (K)
Temperature (K)
Transcribed Image Text:Choose a heating curve for 1 mole of ethanol beginning at 140 K and ending at 380 K.
Assume that the values for ethanol given here are constant over the
relevant temperature ranges.
Vapour/gas
Melting Point
Boiling Point
ΔΗ
159 K
340
352 K
4.9 kJ - mol-1
290
ΔΗ
38.6 kJ . mol 1
Liquid
240
Cs, solid
111 J· mol 1 . K '
Cs, liquid
110 J. mol 1. K '
190
C, gas
78.3 J. mol 1 .K_1
Solid
140
10
20
30
40
50
60
70
80
Heat added (kJ/mol)
Vapour/gas
340
290
{ 240
Liquid
190
Solid
140
10
20
30
40
50
60
70
80
Heat added (kJ/mol)
Temperature (K)
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