summaryrefslogtreecommitdiff
path: root/3856/CH4/EX4.10/Ex4_10.sce
blob: c2a01538563695b035dd30c8cd8899d41f91032f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
//Calculate the standard Enthalpy  for the reaction three Oxygen molecule givs two Ozone molecule

//Example 4.10

clc;

clear;

delrH298deg=285.4;  //standard enthalpy at 298 k in kJ mol^-1

Cp1=29.4;  //molar heat capacity for O2 at constant pressur in J K^-1

Cp2=38.2;  //molar heat capacity for O3 at constant pressur in J K^-1

delCp=2*Cp2-3*Cp1;  //change in molar heat capacity for reaction in J K^-1

T2=380;  //final temperature in K

T1=298;  //initial temperature in K

delT=T2-T1;  //change in temperature in K
 
delrH380deg=((delCp*delT)/1000)+delrH298deg;  //standard Enthalpy for the reaction at 380 K in kJ mol^-1

printf("Standard Enthalpy = %.1f kJ mol^-1",delrH380deg);