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 --- 1385/CH9/EX9.1/9_1.sce | 12 ++++++++++++ 1385/CH9/EX9.10/9_10.sce | 9 +++++++++ 1385/CH9/EX9.11/9_11.sce | 10 ++++++++++ 1385/CH9/EX9.12/9_12.sce | 9 +++++++++ 1385/CH9/EX9.13/9_13.sce | 8 ++++++++ 1385/CH9/EX9.14/9_14.sce | 7 +++++++ 1385/CH9/EX9.15/9_15.sce | 7 +++++++ 1385/CH9/EX9.16/9_16.sce | 9 +++++++++ 1385/CH9/EX9.17/9_17.sce | 9 +++++++++ 1385/CH9/EX9.18/9_18.sce | 8 ++++++++ 1385/CH9/EX9.19/9_19.sce | 8 ++++++++ 1385/CH9/EX9.2/9_2.sce | 11 +++++++++++ 1385/CH9/EX9.3/9_3.sce | 12 ++++++++++++ 1385/CH9/EX9.4/9_4.sce | 15 +++++++++++++++ 1385/CH9/EX9.5/9_5.sce | 8 ++++++++ 1385/CH9/EX9.6/9_6.sce | 9 +++++++++ 1385/CH9/EX9.7/9_7.sce | 9 +++++++++ 1385/CH9/EX9.8/9_8.sce | 10 ++++++++++ 1385/CH9/EX9.9/9_9.sce | 13 +++++++++++++ 19 files changed, 183 insertions(+) create mode 100755 1385/CH9/EX9.1/9_1.sce create mode 100755 1385/CH9/EX9.10/9_10.sce create mode 100755 1385/CH9/EX9.11/9_11.sce create mode 100755 1385/CH9/EX9.12/9_12.sce create mode 100755 1385/CH9/EX9.13/9_13.sce create mode 100755 1385/CH9/EX9.14/9_14.sce create mode 100755 1385/CH9/EX9.15/9_15.sce create mode 100755 1385/CH9/EX9.16/9_16.sce create mode 100755 1385/CH9/EX9.17/9_17.sce create mode 100755 1385/CH9/EX9.18/9_18.sce create mode 100755 1385/CH9/EX9.19/9_19.sce create mode 100755 1385/CH9/EX9.2/9_2.sce create mode 100755 1385/CH9/EX9.3/9_3.sce create mode 100755 1385/CH9/EX9.4/9_4.sce create mode 100755 1385/CH9/EX9.5/9_5.sce create mode 100755 1385/CH9/EX9.6/9_6.sce create mode 100755 1385/CH9/EX9.7/9_7.sce create mode 100755 1385/CH9/EX9.8/9_8.sce create mode 100755 1385/CH9/EX9.9/9_9.sce (limited to '1385/CH9') diff --git a/1385/CH9/EX9.1/9_1.sce b/1385/CH9/EX9.1/9_1.sce new file mode 100755 index 000000000..04ed30db5 --- /dev/null +++ b/1385/CH9/EX9.1/9_1.sce @@ -0,0 +1,12 @@ +clc +//initialisation of variables +c= 0.1 //M +p= 1.34 //per cent +T= 25 //C +//CALCULATIONS +C1= c*p/100 +C2= c*p/100 +C3= c-C1 +Ka= C1*C2/C3 +//RESULTS +printf (' ionization constant = %.2e ',Ka) diff --git a/1385/CH9/EX9.10/9_10.sce b/1385/CH9/EX9.10/9_10.sce new file mode 100755 index 000000000..22a21e405 --- /dev/null +++ b/1385/CH9/EX9.10/9_10.sce @@ -0,0 +1,9 @@ +clc +//initialisation of variables +c= 0.1 //M +Kb= 1.8*10^-5 +Kw= 10^-14 +//CALCULATIONS +C= sqrt(c*Kw/Kb) +//RESULTS +printf (' concentration of hydronium ion = %.1e mol per litre',C) diff --git a/1385/CH9/EX9.11/9_11.sce b/1385/CH9/EX9.11/9_11.sce new file mode 100755 index 000000000..2939d6c2c --- /dev/null +++ b/1385/CH9/EX9.11/9_11.sce @@ -0,0 +1,10 @@ +clc +//initialisation of variables +c= 0.050 //M +Kb= 1.8*10^-5 +T= 25 //C +Kw= 10^-14 +//CALCULATIONS +C= sqrt(Kw*c/Kb) +//RESULTS +printf (' concentration of hydronium ion = %.1e mol per litre',C) diff --git a/1385/CH9/EX9.12/9_12.sce b/1385/CH9/EX9.12/9_12.sce new file mode 100755 index 000000000..0244feb71 --- /dev/null +++ b/1385/CH9/EX9.12/9_12.sce @@ -0,0 +1,9 @@ +clc +//initialisation of variables +kw= 10^-14 +Ka= 1.8*10^-5 +//CALCULATIONS +Kb= Ka +B= sqrt(kw/(Ka*Kb)) +//RESULTS +printf (' degree of hydrolysis = %.1e ',B) diff --git a/1385/CH9/EX9.13/9_13.sce b/1385/CH9/EX9.13/9_13.sce new file mode 100755 index 000000000..2b61e0716 --- /dev/null +++ b/1385/CH9/EX9.13/9_13.sce @@ -0,0 +1,8 @@ +clc +//initialisation of variables +k1= 3.5*10^-7 +k2= 4.4*10^-11 +//CALCULATIONS +c= sqrt(k1*k2) +//RESULTS +printf (' concentration of solution = %.1e mol per litre',c) diff --git a/1385/CH9/EX9.14/9_14.sce b/1385/CH9/EX9.14/9_14.sce new file mode 100755 index 000000000..fec78dd10 --- /dev/null +++ b/1385/CH9/EX9.14/9_14.sce @@ -0,0 +1,7 @@ +clc +//initialisation of variables +c= 1.92*10^-5 //mole per litre +//CALCULATIONS +pH= -log10(c) +//RESULTS +printf (' pH of solution = %.2f ',pH) diff --git a/1385/CH9/EX9.15/9_15.sce b/1385/CH9/EX9.15/9_15.sce new file mode 100755 index 000000000..6565f3648 --- /dev/null +++ b/1385/CH9/EX9.15/9_15.sce @@ -0,0 +1,7 @@ +clc +//initialisation of variables +pH= 7.36 +//CALCULATIONS +C= 10^-pH +//RESULTS +printf (' concentration of solution = %.2e mol per litre',C) diff --git a/1385/CH9/EX9.16/9_16.sce b/1385/CH9/EX9.16/9_16.sce new file mode 100755 index 000000000..6b61cd656 --- /dev/null +++ b/1385/CH9/EX9.16/9_16.sce @@ -0,0 +1,9 @@ +clc +//initialisation of variables +c= 1 //M +Kb= 5.3*10^-5 +pKw= 14 +//CALCULATIONS +pH= pKw+0.5*log10(Kb)+0.5*log10(c) +//RESULTS +printf (' pH of solution = %.2f ',pH) diff --git a/1385/CH9/EX9.17/9_17.sce b/1385/CH9/EX9.17/9_17.sce new file mode 100755 index 000000000..89a1ef60b --- /dev/null +++ b/1385/CH9/EX9.17/9_17.sce @@ -0,0 +1,9 @@ +clc +//initialisation of variables +c= 0.1 //M +Ka= 6.3*10^-5 +pKw= 14 +//CALCULATIONS +pH= -0.5*log10(Ka)+0.5*pKw+0.5*log10(c) +//RESULTS +printf (' pH of a buffer solution = %.2f ',pH) diff --git a/1385/CH9/EX9.18/9_18.sce b/1385/CH9/EX9.18/9_18.sce new file mode 100755 index 000000000..ea60d5806 --- /dev/null +++ b/1385/CH9/EX9.18/9_18.sce @@ -0,0 +1,8 @@ +clc +//initialisation of variables +Ka= 1.8*10^-5 +a= 0.1 //molar +//CALCULATIONS +pH= -log10(Ka) +//RESULTS +printf (' pH of a buffer solution = %.2f ',pH) diff --git a/1385/CH9/EX9.19/9_19.sce b/1385/CH9/EX9.19/9_19.sce new file mode 100755 index 000000000..6874fdd19 --- /dev/null +++ b/1385/CH9/EX9.19/9_19.sce @@ -0,0 +1,8 @@ +clc +//initialisation of variables +pH= 7.10 +pH1= 7.21 +//CALCULATIONS +r= 10^(pH-pH1) +//RESULTS +printf (' ratio of salt to acid = %.3f ',r) diff --git a/1385/CH9/EX9.2/9_2.sce b/1385/CH9/EX9.2/9_2.sce new file mode 100755 index 000000000..7b0721800 --- /dev/null +++ b/1385/CH9/EX9.2/9_2.sce @@ -0,0 +1,11 @@ +clc +//initialisation of variables +k= 1.8*10^-5 +C= 0.2 //M +T= 25 //C +//CALCULATIONS +x= sqrt(C*k) +a= x/C +C1= a*C +//RESULTS +printf (' hydronium-ion concentration = %.1e mole per litre',C1) diff --git a/1385/CH9/EX9.3/9_3.sce b/1385/CH9/EX9.3/9_3.sce new file mode 100755 index 000000000..0438c08dc --- /dev/null +++ b/1385/CH9/EX9.3/9_3.sce @@ -0,0 +1,12 @@ +clc +//initialisation of variables +K= 1.8*10^-5 +V= 500 //ml +c1= 0.3 //M +c2= 0.2 //M +//CALCULATIONS +x= V*c1/1000 +y= V*c2/1000 +C= K*y/x +//RESULTS +printf (' hydronium-ion concentration = %.1e mole per litre',C) diff --git a/1385/CH9/EX9.4/9_4.sce b/1385/CH9/EX9.4/9_4.sce new file mode 100755 index 000000000..52d441d6d --- /dev/null +++ b/1385/CH9/EX9.4/9_4.sce @@ -0,0 +1,15 @@ +clc +//initialisation of variables +K= 1.4*10^-5 +T= 25 //C +V= 200 //ml +m= 3.7 //gms +m1= 4.8 //gms +M= 74 //gms +M1= 96 //gms +//CALCULATIONS +x= m*1000/(V*M) +y= m1*1000/(V*M1) +X= K*x/y +//RESULTS +printf (' hydronium-ion concentration = %.1e mole per litre',X) diff --git a/1385/CH9/EX9.5/9_5.sce b/1385/CH9/EX9.5/9_5.sce new file mode 100755 index 000000000..401e05081 --- /dev/null +++ b/1385/CH9/EX9.5/9_5.sce @@ -0,0 +1,8 @@ +clc +//initialisation of variables +c= 0.050 //M +Ksp= 4.3*10^-7 +//CALCULATIONS +C= sqrt(Ksp*c) +//RESULTS +printf (' concentration of hydronium-ion = %.1e mole per litre',C) diff --git a/1385/CH9/EX9.6/9_6.sce b/1385/CH9/EX9.6/9_6.sce new file mode 100755 index 000000000..eb0355502 --- /dev/null +++ b/1385/CH9/EX9.6/9_6.sce @@ -0,0 +1,9 @@ +clc +//initialisation of variables +C= 0.050 //M +K= 2.4*10^-17 +c= 0.1 //M +//CALCULATIONS +c1= K*C/c^2 +//RESULTS +printf (' concentration of carbonate-ion = %.1e mole per litre',c1) diff --git a/1385/CH9/EX9.7/9_7.sce b/1385/CH9/EX9.7/9_7.sce new file mode 100755 index 000000000..2248f7eb6 --- /dev/null +++ b/1385/CH9/EX9.7/9_7.sce @@ -0,0 +1,9 @@ +clc +//initialisation of variables +n= 1.31*10^-4 //mole +T= 25 //C +//CALCULATIONS +N= 2*n +Ksp= N^2*n +//RESULTS +printf (' Ksp = %.e ',Ksp) diff --git a/1385/CH9/EX9.8/9_8.sce b/1385/CH9/EX9.8/9_8.sce new file mode 100755 index 000000000..6252f7ddc --- /dev/null +++ b/1385/CH9/EX9.8/9_8.sce @@ -0,0 +1,10 @@ +clc +//initialisation of variables +Ksp= 1.4*10^-11 +V= 200 //ml +M= 24.3 //gms +//CALCULATIONS +x= (Ksp/4)^(1/3) +m= x*M*V/1000 +//RESULTS +printf (' grams of Mg+2 present = %.1e gms per mol',m) diff --git a/1385/CH9/EX9.9/9_9.sce b/1385/CH9/EX9.9/9_9.sce new file mode 100755 index 000000000..88a628d26 --- /dev/null +++ b/1385/CH9/EX9.9/9_9.sce @@ -0,0 +1,13 @@ +clc +//initialisation of variables +c= 0.010 //M +Ksp= 1.56*10^-10 +M= 108 //gms +C= 10^-3 //M +//CALCULATIONS +K= Ksp/C +m= M*K +m1= M*c +//RESULTS +printf (' quantity = %.2e gms',m) +printf (' \n quantity = %.2f gms',m1) -- cgit