From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 3718/CH15/EX15.1/Ex15_1.sce | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 3718/CH15/EX15.1/Ex15_1.sce

(limited to '3718/CH15/EX15.1')

diff --git a/3718/CH15/EX15.1/Ex15_1.sce b/3718/CH15/EX15.1/Ex15_1.sce
new file mode 100644
index 000000000..64758ed74
--- /dev/null
+++ b/3718/CH15/EX15.1/Ex15_1.sce
@@ -0,0 +1,20 @@
+//Chapter 15: Environmental Pollution and Control
+//Problem: 1
+clc;
+
+MM = 294// Molar mass, K2Cr2O7
+
+//Declaration of Variables
+v_eff = 25   // cm cube, 
+v = 8.3      // cm cube, K2Cr2O7
+M = 0.001    // M, K2Cr2O7
+
+// Solution
+w = v * 8 * 6 * M / 1000.
+
+mprintf("8.3 cm cube of 0.006 N K2Cr2O7 =%.2e g of O2\n",w)
+mprintf(" 25 ml of the effluent requires %.2e g of O2\n",w)
+
+cod = w * 10 ** 6 / 25.
+mprintf(" 1l of the effluent requires %.2fg of O2\n",cod)
+mprintf(" COD of the effluent sample is %.2f ppm or mg/L",cod)
-- 
cgit