1 files changed, 14 insertions, 0 deletions
diff --git a/1427/CH16/EX16.7/16_7.sce b/1427/CH16/EX16.7/16_7.sce
new file mode 100644
index 000000000..8ff3b557b
--- /dev/null
+++ b/1427/CH16/EX16.7/16_7.sce
@@ -0,0 +1,14 @@
+//ques-16.7
+//Calculating time required
+clc
+t1=50;//initial half-life (in s)
+t2=25;//new half-life (in s)
+a2=1;//concentration (in mol/L)
+a1=0.5;//concentration (in mol/L)
+n=1+(log10(t1/t2)/log10(a2/a1));
+//n=2; 2nd order reaction
+k=1/(t1*a1);
+p=20;//percentage reduction
+x=a1*(1-(p/100));//concentration left after reduction (in mol/L)
+t=x/(a1*k*(a1-x));
+printf("Time required is %d s.",t);