initial commit / add all books

1 files changed, 17 insertions, 0 deletions

diff --git a/615/CH3/EX3.13/3_13.sce b/615/CH3/EX3.13/3_13.sce
new file mode 100755
index 000000000..48de207e3
--- /dev/null
+++ b/615/CH3/EX3.13/3_13.sce
@@ -0,0 +1,17 @@
+//chemical kinetics and catalysis//

+t1=75;//time in min//

+t2=119;

+t3=183;

+vi=9.62;//volume of alkali used in ml at t=0min//

+v1=12.10;//volume of alkali used in ml at t=75min//

+v2=13.10;//volume of alkali used in ml at t=119min//

+v3=14.75;//volume of alkali used in ml at t=183min//

+vf=21.05;//volume of alkali used in ml at t=infinity//

+k1=(1/t1)*log((vf-vi)/(vf-v1));//formula of rate constant for first order reactions//

+printf("\nRate constant value at t=75min is %f/min",k1);

+k2=(1/t2)*log((vf-vi)/(vf-v2));

+printf("\nRate constant value at t=119min is %f/min",k2);

+k3=(1/t3)*log((vf-vi)/(vf-v3));

+printf("\nRate constant value at t=183min is %f/min",k3);

+printf("\nAn almost constant value of k shows that the hydrolysis of ethyl acetateis a first order reaction");

+