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author | priyanka | 2015-06-24 15:03:17 +0530 |
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committer | priyanka | 2015-06-24 15:03:17 +0530 |
commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
tree | ab291cffc65280e58ac82470ba63fbcca7805165 /551/CH5/EX5.47 | |
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initial commit / add all books
Diffstat (limited to '551/CH5/EX5.47')
-rwxr-xr-x | 551/CH5/EX5.47/47.sce | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/551/CH5/EX5.47/47.sce b/551/CH5/EX5.47/47.sce new file mode 100755 index 000000000..5baf3735a --- /dev/null +++ b/551/CH5/EX5.47/47.sce @@ -0,0 +1,14 @@ +clc
+m1=3; //kg
+m2=4; //kg
+T0=273; //K
+T1=80+273; //K
+T2=15+273; //K
+c_pw=4.187; //kJ/kgK
+tm=(m1*T1 + m2*T2)/(m1+m2);
+Si=m1*c_pw*log(T1/T0) + m2*c_pw*log(T2/T0);
+Sf=(m1+m2)*c_pw*log(tm/T0);
+dS=Sf-Si;
+disp("Net change in entropy =")
+disp(dS)
+disp("kJ/K")
\ No newline at end of file |