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 --- 632/CH10/EX10.16/example10_16.sce | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100755 632/CH10/EX10.16/example10_16.sce (limited to '632/CH10/EX10.16') diff --git a/632/CH10/EX10.16/example10_16.sce b/632/CH10/EX10.16/example10_16.sce new file mode 100755 index 000000000..121738e8e --- /dev/null +++ b/632/CH10/EX10.16/example10_16.sce @@ -0,0 +1,33 @@ +//clc() +m = 100;//kg (basis sodium nitrate reacted) +NNaNO3 = m/85; +//2NaNO3 + H2SO4 = 2HNO3 + Na2SO4 +mh2so4 = NNaNO3 * 98.08/2; +mhno3 = NNaNO3*63.008; +mna2so4 = NNaNO3 * 142.064 /2; +Phno3 = 2;//%(percent nitric acid remaining in the cake) +mhno3cake = mhno3 * Phno3 / 100; +Ph2so4 = 35;//% +Pwater = 1.5;//% +mtotal = (mna2so4 + mhno3cake)*100/(100 - Ph2so4 - Pwater); +mwater = Pwater * mtotal / 100; +mh2so4c = Ph2so4 * mtotal / 100; +Pna2so4 = mna2so4 *100/mtotal; +Phno3c = mhno3cake * 100 / mtotal; +disp("kg",mna2so4,"(a)Mass of Na2SO4 in the cake = ") +disp("kg",mhno3,"Mass of HNO3 in the cake = ") +disp("kg",mwater,"Mass of water in the cake = ") +disp("kg",mh2so4c,"Mass of H2SO4 in the cake = ") +disp("%",Pna2so4,"Percentage of Na2SO4 in the cake = ") +disp("%",Phno3c,"Percentage of HNO3 in the cake = ") +disp("%",Pwater,"Percentage of water in the cake = ") +disp("%",Ph2so4,"Percentage of H2SO4 in the cake = ") +mh2so4req = mh2so4 + mh2so4c; +P = 95;//% (95% dilute sulphuric acid) +w = mh2so4req * 100 / P; +disp(mh2so4) +disp("kg",w,"(b)Weight of 95% sulphuric acid required = ") +mnitric = mhno3 - mhno3cake; +disp("kg",mnitric,"(c)weight of nitric acid product obtained = ") +mwaterd = w*(1-P/100)-mwater; +disp("kg",mwaterd,"(d)the water vapour tha tis distilled from the nitre cake = ") \ No newline at end of file -- cgit