acid. (2) Set up a buret with KMnO4 solution to be standardized by titration. (3) Dissolve each acid sample in about 25 mL of distilled water. Again don’t mix up the samples. Take one flask and add 1-2 mL of concentrated sulfuric acid. · CAUTION! Concentrated sulfuric acid is dangerous; don’t spill or splash any. Always slowly add acid to water‚ never the other way around. (4) The solution to which the
Premium Titration
Report Introduction Mummification is an ancient Egyptian method which is a natural or deliberate process intended to dehydrate the body to preserve it. They done this because they believed that if a body was left to rot then it would destroy their soul‚ so they believed that the body needed to be intact to serve as host for the soul. So they preserved bodies so they could use them in the afterlife‚ where the Egyptians believed they would make a journey to another life. To start to mummify a body
Premium Sodium chloride Sodium Ion
is‚ a dilute solution‚ to an area of low-level water concentration‚ that is‚ a strong solution through a semi-permeable membrane. (Passmyexams.co.uk‚ 2015) Actually‚ water moves in a bi-directional manner with the aim of leveling up the concentration. However‚ a high number of water molecules move from the fresh water towards the salty water. The outcome is a net transfer of molecules down the concentration gradient. Finally‚ the water levels in the lowly water concentrated side rises
Premium Osmosis Concentration Solution
A Nursing Case Study on Chronic Renal Failure In Partial Fulfilment of the Requirements in NCM-102 CRITERIA Introduction and Implications - 5% Objective - 5% Developmental Data - 5% Physical Assessment - 10% History - 5% Anatomy and Physiology - 5% Pathophysiology - 10% Interpretations - 5% Drug Studies - 5% Nursing Management - 20% Health Teachings - 5% Format - 5% Punctuality - 10% Reference - 5% _________________ TOTAL:
Premium Kidney
FORM 4G ELECTROLYSIS WORKSHEET TERM 3 2010-2011 1.Figure 1 below is a diagram of the apparatus used in the electrolysis of fused sodium bromide. Figure 1 a)Write the formulae for the ions present in the fused sodium bromide. b)Write an ionic equation to represent the reaction taking place at the positive and negative electrodes. c)When the heat source was removed‚ the crucible cooled and the lamp went out. Explain why the lamp went out when the crucible cooled. d)At the end of the experiment
Premium Electrochemistry Sodium chloride Chlorine
Aim: To know the procedure of measuring the accurate mass of a solid To calculate the number of moles of an unknown mass from its mass and molecular mass To know how to dilute a solution and the effect of dilution on the solution’s absorbance Materials: Copper Sulfate Coloured solution – Potassium Manganate (KMnO4) Hotplate Method: Part A: The Formula of Hydrated Copper (II) Sulfate Firstly‚ about 1.0 g of hydrated copper (II) sulfate was put in the weighing bottle and the colour
Premium Molecule Sulfuric acid Copper
results rule out? In my opinion a urinary tract infection or maybe an inflammation with his prostrate that could be causing these symptoms. However‚ if a urinalysis test strip results in negative leukocyte and nitrite then the likelihood of it being a urine infection is probably not likely. 4. What is a digital rectal examination (DRE) and what insight does it provide into Frank’s condition? A digital rectal examination is an exam that consists of a doctor inserting their finger in the rectum and checking
Premium Urinary tract infection Kidney Urine
aldosterone‚ to help maintain hydration. Antidiuretic hormone is released by the pituitary gland in the brain to signal the kidneys to retain water. When ADH causes water reabsorption from the kidney tubules‚ the salts and wastes are concentrated in what will eventually be urine. High level of ADH secretion and water retention happen when dehydration causes increase of osmolarity. ADH then travels in the bloodstream to the kidneys where it transforms the kidneys to be more permeable to water by inserting
Premium Blood Hypertension Kidney
standard chemical test for sugar is Benedict’s test. The reagent‚ a mixture of (mainly) copper sulfate and sodium hydroxide‚ is called Benedict’s reagent. It can be purchased from many drug stores because it was once the standard test for sugar in the urine of diabetics. Some of the solution to be tested (this could be the juice or extract of the fruit or vegetable in question) is mixed with Benedict’s test reagent (by volume‚ usually about 4 solution to 1 reagent) and heated almost to boiling. A color
Premium Fructose Glucose Sucrose
temperature: Decolourisation of KMnO4 occurs immediately CH2 = CH2 + [O] + H2O → CH2 – CH2 ⏐ ⏐ OH OH (a) Insert a glowing splint into the hydrocarbon hydrocarbons: Burns with smoky flame Aromatic hydrocarbons (b) Add concentrated nitric(v) acid and concentrated sulphuric acid at 55 °C: Yellow oil with bitter almond smell produced benzene NO2 + HNO3 (HONO2) Alkylbenzenes – CH3 CH3 + H2O Add alkaline KMnO4 and boil: Decolourisation of KMnO4; brown precipitate of
Premium Carboxylic acid Alcohol Sulfuric acid