From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 1439/CH15/EX15.1/15_1.sce | 10 ++++++++++ 1439/CH15/EX15.10/15_10.sce | 9 +++++++++ 1439/CH15/EX15.11/15_11.sce | 17 +++++++++++++++++ 1439/CH15/EX15.2/15_2.sce | 9 +++++++++ 1439/CH15/EX15.3/15_3.sce | 8 ++++++++ 1439/CH15/EX15.4/15_4.sce | 15 +++++++++++++++ 1439/CH15/EX15.5/15_5.sce | 7 +++++++ 1439/CH15/EX15.6/15_6.sce | 9 +++++++++ 1439/CH15/EX15.7/15_7.sce | 8 ++++++++ 1439/CH15/EX15.8/15_8.sce | 9 +++++++++ 1439/CH15/EX15.9/15_9.sce | 9 +++++++++ 11 files changed, 110 insertions(+) create mode 100755 1439/CH15/EX15.1/15_1.sce create mode 100755 1439/CH15/EX15.10/15_10.sce create mode 100755 1439/CH15/EX15.11/15_11.sce create mode 100755 1439/CH15/EX15.2/15_2.sce create mode 100755 1439/CH15/EX15.3/15_3.sce create mode 100755 1439/CH15/EX15.4/15_4.sce create mode 100755 1439/CH15/EX15.5/15_5.sce create mode 100755 1439/CH15/EX15.6/15_6.sce create mode 100755 1439/CH15/EX15.7/15_7.sce create mode 100755 1439/CH15/EX15.8/15_8.sce create mode 100755 1439/CH15/EX15.9/15_9.sce (limited to '1439/CH15') diff --git a/1439/CH15/EX15.1/15_1.sce b/1439/CH15/EX15.1/15_1.sce new file mode 100755 index 000000000..34f301690 --- /dev/null +++ b/1439/CH15/EX15.1/15_1.sce @@ -0,0 +1,10 @@ +clc +//initialisation of variables +c= 8*10^-5 //molar +n= 2 +//CALCULATIONS +Ksp= c^3*n^2 +x= Ksp*10^6 +//RESULTS +printf ('solubility product = %.1e ',Ksp) +printf ('\n solubility = %.1e ',x) diff --git a/1439/CH15/EX15.10/15_10.sce b/1439/CH15/EX15.10/15_10.sce new file mode 100755 index 000000000..6b186c8ad --- /dev/null +++ b/1439/CH15/EX15.10/15_10.sce @@ -0,0 +1,9 @@ +clc +//initialisation of variables +pH= 9.26 +M= 0.02 //N +M1= 0.01 ///N +//CALCULATIONS +pH1= pH+log(M1/M) +//RESULTS +printf ('pH = %.2f ',pH1) diff --git a/1439/CH15/EX15.11/15_11.sce b/1439/CH15/EX15.11/15_11.sce new file mode 100755 index 000000000..407cec642 --- /dev/null +++ b/1439/CH15/EX15.11/15_11.sce @@ -0,0 +1,17 @@ +clc +//initialisation of variables +pKa= 6.84 +n= 0.04 //mole +n1= 0.02 //mole +n2= 0.001 //mole +pH3= 7 +//CALCULATIONS +pH= pKa+log10(n/n1) +pH1= pKa+log10((n-n2)/(n1+n2)) +dpH= pH-pH1 +pH2= -log10(n2) +dpH1= pH3-pH2 +//RESULTS +printf ('pH = %.2f ',pH1) +printf ('\n dpH = %.2f ',dpH) +printf ('\n dpH = %.2f ',dpH1) diff --git a/1439/CH15/EX15.2/15_2.sce b/1439/CH15/EX15.2/15_2.sce new file mode 100755 index 000000000..982b0809c --- /dev/null +++ b/1439/CH15/EX15.2/15_2.sce @@ -0,0 +1,9 @@ +clc +//initialisation of variables +Ksp= 2*10^-12 +M= 8.84*10^-5 //molar +n= 2 +//CALCULATIONS +r= (Ksp/(n^2*M^3))^(1/3) +//RESULTS +printf ('mean ionic activity coefficient = %.1f ',r) diff --git a/1439/CH15/EX15.3/15_3.sce b/1439/CH15/EX15.3/15_3.sce new file mode 100755 index 000000000..641f96c8b --- /dev/null +++ b/1439/CH15/EX15.3/15_3.sce @@ -0,0 +1,8 @@ +clc +//initialisation of variables +n= 2 +C= 0.01 //M +//CALCULATIONS +r= 10^(-0.509*n*sqrt(C)) +//RESULTS +printf ('mean ionic activity coefficient = %.2f ',r) diff --git a/1439/CH15/EX15.4/15_4.sce b/1439/CH15/EX15.4/15_4.sce new file mode 100755 index 000000000..57a718ff5 --- /dev/null +++ b/1439/CH15/EX15.4/15_4.sce @@ -0,0 +1,15 @@ +clc +//initialisation of variables +M= 18 //gms +k= 5.5*10^-8 //ohm^-1 cm^-1 +lc= 349.8 //cm^2 equiv^-1 ohm^-1 +la= 198 //cm^2 equiv^-1 ohm^-1 +//CALCULATIONS +A= M*k +A0= lc+la +a= A/A0 +a1= 1000*a/M +Kw= a1*a1 +//RESULTS +printf ('degree of ionisation = %.1e ',a1) +printf ('\n ion product of water = %.1e ',Kw) diff --git a/1439/CH15/EX15.5/15_5.sce b/1439/CH15/EX15.5/15_5.sce new file mode 100755 index 000000000..5e443a8bd --- /dev/null +++ b/1439/CH15/EX15.5/15_5.sce @@ -0,0 +1,7 @@ +clc +//initialisation of variables +Ka= 1.772*10^-4 +//CALCULATIONS +pK= -log10(Ka) +//RESULTS +printf ('pKa = %.2f ',pK) diff --git a/1439/CH15/EX15.6/15_6.sce b/1439/CH15/EX15.6/15_6.sce new file mode 100755 index 000000000..e7b34266b --- /dev/null +++ b/1439/CH15/EX15.6/15_6.sce @@ -0,0 +1,9 @@ +clc +//initialisation of variables +K= 1.75*10^-5 +c= 0.01 //M +//CALCULATIONS +r= 10^(-0.509*sqrt(c)) +Ka= K/r^2 +//RESULTS +printf ('ionisation constant = %.2e ',Ka) diff --git a/1439/CH15/EX15.7/15_7.sce b/1439/CH15/EX15.7/15_7.sce new file mode 100755 index 000000000..ea5e1c904 --- /dev/null +++ b/1439/CH15/EX15.7/15_7.sce @@ -0,0 +1,8 @@ +clc +//initialisation of variables +ka= 1.75*10^-5 +ca= 0.1 //mole lit +//CALCULATIONS +pH= -log10(sqrt(ka*ca)) +//RESULTS +printf ('pH = %.2f ',pH) diff --git a/1439/CH15/EX15.8/15_8.sce b/1439/CH15/EX15.8/15_8.sce new file mode 100755 index 000000000..132075297 --- /dev/null +++ b/1439/CH15/EX15.8/15_8.sce @@ -0,0 +1,9 @@ +clc +//initialisation of variables +kw= 10^-14 +ka= 2.69*10^-5 +c= 0.1 //N +//CALCULATIONS +pH= -log10(sqrt(kw*ka/c)) +//RESULTS +printf ('pH = %.2f ',pH) diff --git a/1439/CH15/EX15.9/15_9.sce b/1439/CH15/EX15.9/15_9.sce new file mode 100755 index 000000000..acc1ade52 --- /dev/null +++ b/1439/CH15/EX15.9/15_9.sce @@ -0,0 +1,9 @@ +clc +//initialisation of variables +pH= 4.57 +M= 0.03 //mole litre^-1 +M1= 0.1 //mole litre^-1 +//CALCULATIONS +pH1= pH+log10(M1/M) +//RESULTS +printf ('pH = %.2f ',pH1) -- cgit