LABORATORY REPORT TITLE : MEASURING pH LEVELS AND WATER ACTIVITY OF FOODS NAME: MATRIC NO: GROUP: 2 DATE OF EXPERIMENTAL WORK: 13 MARCH 2013 DATE OF SUBMISSION: 20 MARCH 2013 TITLE: MEASURING pH LEVELS AND WATER ACTIVITY OF FOODS ACTIVITY 1 Introduction : This experiment was performed to investigate the pH levels of different types of food products. The pH of a solution can be determined experimentally in several ways. The pH scale is the range of pH values from 0 to 14. The paper that
Premium PH Acid
AbstractDifferent pH level may affect the growth and development of the plants. Certain key words include: pH level‚ germination‚ acidity‚ osmosis and diffusion. This experiment examines the effects of different pH level of vinegar on the growth of bean plants. Materials used in this experiment consist of: water (pH 6)‚ vinegar with the pH level of 3‚ 4 and 5 (each one were made before experiment)‚ beans‚ soil‚ and pots. Eight bean plants were planted‚ two were watered with pH 6 and the other ones were each watered
Premium PH Acid
The Effects of Heat on the pH of the Vegetable and Their Pigment PURPOSE The purpose of this experiment is to see how pH levels of certain vegetables change while being cooked in four different mediums (frying‚ boiling‚ steaming‚ roasting)‚ and how the varying pH levels change the coloring of the vegetables. We will analyze how the different method of cooking/heating changes the levels of pH. BACKGROUND INFORMATION This experiment is based around the different pigments in vegetables‚ of which
Premium Cooking PH Water
‘Outline principles that define CLOA. Explain how principles that define CLOA may be demonstrated in research.’ The first Principle states that Humans are information processors. Cognition refers to the mental tasks or thinking involved in human behavior. Thinking may involve memory‚ attention‚ perception‚ language and decision making at any one time. Cognitive psychologists see these cognitions are active systems; In between taking in and responding to information a number of processes are
Premium Cognition Cognitive psychology Psychology
or Automatic Level Let us look at the history of surveying levels. Since the Dumpy level was invented in early 1700’s it has been considered the standard‚ that was up until around the 1830’s when the transit level was invented. Recently the level has changed faster than you can keep up with it‚ but through all this the Dumpy level has remained a reliable back up just in case the modern levels breakdown. A dumpy level‚ builder’s auto level‚ leveling instrument or automatic level is an optical
Premium Geodesy Surveying Theodolite
at different pHs Abstract These experiments aimed to determine the optimum pH ranges various buffers are effective and provide opportunity for the use of the Henderson-Hasselbalch equation to prepare a buffer of a specific pH. Three different buffer systems were initially investigated; volumes of weak acid and weak bases of specified concentration were prepared and titrated against strong acid or strong base solutions with pH readings taken at frequent intervals to determine pH ranges over which
Free PH Acid dissociation constant Buffer solution
work securely together. The number of marks is given in brackets [ ] at the end of each question or part question. For Examiner’s Use 1 2 Total This document consists of 9 printed pages and 3 blank pages. SPA (NF/CGW) T30933/8 © UCLES 2007 [Turn over om .c s er UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Subsidiary Level and Advanced Level 2 1 The hydroxides of Group I metals (LiOH‚ NaOH‚ KOH‚ RbOH‚ CsOH) are highly
Premium Hydrogen Sodium hydroxide University of Cambridge
is a condition where body is unable to eliminate all the carbon dioxide within the lungs; this condition results with the body fluids becoming too acidic usually within the patient’s blood. The PCO2 of respiratory acidosis is greater than 45mmHg and the pH would be less than 7.36. (Graham‚ T. (2006). Respiratory alkalosis is when the levels of carbon dioxide in the blood‚ mainly due to breathing excessively are too low. Levels of respiratory alkalosis is a PCO2 of less than 35 33Hg and a pH greater
Premium Asthma Blood Insulin
Functionality At Various Ph Level Abstract Enzymes can be denatured at various ph levels in which then affects the shape of the enzymes structure and reactivity. The altering of shape causes substrates to not bind in the active site (Scott Freeman‚ Micheal Harrington‚ Joan. C Sharp‚ 2009). Amylase is used as a catalytic enzyme to determine the time period to convert starch into glucose monomers and transport into the bloodstream at different ph levels. Methods involved are
Premium
Pilgrimage of Grace was a widespread dislike of religious changes? There were three main rebellions in Henry VIII’s reign as king; The Lincolnshire Rising‚ The Pilgrimage of Grace and Cumberland Rebellion. These rebellions were all connected because each one triggered off the next one. The three main factors that set off the rebellions were the economic state of the country‚ the political state and the religious activities at the time. There are evidences that support the view that the main cause
Premium Henry VIII of England Pilgrimage of Grace