Essays on Water Page 17

The River Indus, the largest river in our country, originates from the northern slopes of the Kailash Range in Tibet (China) and passes through the Himalayas before entering Pakistan’s territory near Gilgit. In its upper region, several streams join it, while both its western and eastern tributaries contribute to its vast volume and speed at…

CHAPTER 1 INTRODUCTION Writing is a way to communicate with others. An art form for expressing thoughts one wants to share. Writing can change things, and it already had. Writing promotes your ability to ask and also fosters your ability to explain. And in order to do these, one must get a hold of ink…

OBJECTIVES The laboratory exercise aims to teach the students: 1.      The proper way of hand cream preparation. 2.      Appreciate the procedure 3.      Learn the functions of each ingredient used in the preparation of the hand cream. PROCEDURE In order to fulfill the preparation of the Hand Cream, the group had to gather all of the…

The analyses of the mixture were to distinguish and identify homogeneous mixture by using the techniques of decantation and sublimation. By performing these techniques, we examined our solutions such as SiO2 (sand), NH4Cl (ammonium coloride), and NaCl (sodium chloride) and mixed H2O (water) with each solution after being heated. After examining our solutions, we made…

For my coursework I will study coastal erosion on the Walton-on-the-Naze cliffs in Essex. This is a coastal resort located about 10 miles from Frinton-on-Sea and is a two hour drive from North London. The aim of the study is to investigate the differences in beach characteristics in the managed and unmanaged sections of the…

VI. RESULTS AND DISCUSSION Aspirin is prepared by the esterification of salicylic acid with acetic anhydride under acidic conditions. The phenol group in salicylic acid is replaced by a carboxyl group through electrophilic substitution. The mechanism for the reaction can be summarized as follows: Figure 11.4. Mechanism for the reaction of salicylic acid and acetic…

Diploma in Business Management Assessed Assignment – Business Ethics VEDAN company Introduction In all means of communication media, business ethic is always a hot topic as it reflects the attitude of a business toward any public issues, especially matters related to environment and the damage to human’s life can collect the most concerns from public…

To stimulate the effect of acid rain on plant life, students to set up a lab experiment to compare the effect of varying levels of acidity on plant seed germination. Hypothesis: as the pH of water decreases, the number of seeds germinated will reduce. Variables Units: Dependent variables The number of seeds germinated Independent variables…

This is carried out via an SN2 reaction because the use of an alkyl-halide, Primary in the presence of a strong nucleophile, electrophile as well as substrate, with the reagents chosen this reaction as well as substrate, with the reagents chosen this reaction mechanism is the most favorable. The bromide ion from hydrobromic acid acts…

To set the ammonia fountain experiment up I made sure I had all the materials the lab required me to have which was: a Florence Flask, a 600 mL beaker, a Mohr pipet, distilled and tap water, a polyethylene wash bottle, a phenolphthalein indicator, concentrated ammonium hydroxide, sand, a heating mantle, a ring stand, clamps,…