Discussion: First of all‚ rinse all the apparatus that being used in the experiment with hydrochloric acid (HCL) then followed with distilled water (H₂O). Then‚ prepared the saturated calcium hydroxide (Ca (OH) ₂) solution into a filter funnel and filter paper over a second conical flask. Pour 100.00mL of saturated Ca (OH)₂ solution into a beaker and pour the solution through the filter paper by flowing the solution through a glass rod. After that‚ use a thermometer to measure the temperature of
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produced in very large amounts. Carbon dioxide from respiration. Nitrogen containing compounds such as urea. Where are these substances produced. Carbon dioxide is produced by every living cell in the body as a result of respiration. Urea is produced in the liver from excess amino acids. Where are the substances excreted? Carbon dioxide is passed from the cells of respiring tissues into the blood stream. It is transported in the blood (mostly in the form of hydrogen carbonate ions) to the lung
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Date: 09-02-2013 Experiment 1(a) Laboratory determination of water (moisture) content of a soil sample by oven drying method Reference: ASTM D2216-98 Need and scope of the experiment: In almost all soil tests natural moisture content of the soil is to be determined. The knowledge of the natural moisture content is essential in all studies of soil mechanics. To sight a few‚ natural moisture content is used in determining the bearing capacity and settlement. The natural moisture content will
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Tuskegee Syphilis experiment is the most infamous clinical study conducted in the United States between 1932 -1972. The study of natural progression of untreated syphilis in rural Africa American men‚ led to a forty year study which was controversial for reasons related to ethical standards; researchers knowingly failed to treat patients after the 1940s validation of penicillin. The patients with syphilis were never told they had it‚ were part of a case study‚ could leave the experiment at any given
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If one goes out before we wake up‚ we will get two more of the same type of battery and watch it during the day. Variables Our variable is the different brand of batteries. The controlled condition is the same type of flashlights. Results Our experiment showed that Rayovac outlasted all of the other batteries we tested by at more than two hours. The Eveready battery‚ which is a regular‚ non-alkaline battery‚ lasted only 6 hours and 35 minutes. The Duracell lasted 15 hours. The Energizer lasted
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Leave for 24 hours. After 24 hours remove funnel and measure the amount of water in the flask. Construct table‚ graph and simple diagram. Clean up area. Write observations PAGE 2 Skill A: Using and Techniques‚ Apparatus and Materials. Title: Comparison Of Soil Prosperity RESULTS AND OBERVATION TABLE OF SOIL POROSITY Types Of Soil | Time Taken For The First Drop | Amount Of Water After 24 Hours | 1. Sandy Soil | 6 seconds |
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A recent study shows that nearly 800‚000 children are reported missing each year. In most of the cases the abductor was capable to take the child because the adult was distracted. The public service announcement called Find the Children from the Find the Children organization a non-profit organization is an effective at at convincing the audience about how easy someone can be kidnapped. The PSA starts by showing us how a little girl is enjoying her birthday party by playing hide and go seek. Then
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Finding A Passion The level of overall job satisfaction has been trending downward in the past four years (SHRM). It is said that this downfall is due to lack of preparation in finding values‚ strengths‚ and passions. Many people fail to find a position that fulfills their personal‚ financial‚ and social needs. It is important for people to be satisfied with their jobs‚ because work is a key part of a person’s life. Tools that assess a person’s hobbies‚ values and strengths can be useful
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Bag to test several (at least 3) household items including household cleaning products with bromothymol blue. Rinse the pipet well before using it on the next household chemical. When finished with this experiment rinse the pipet well and return it to the Auxiliary Bag for use in future experiments. Name the items tested and record their results. Household Chemicals|Well No.|Observations of the Reaction| Tide Detergent|G12 |Light greenish - neutral| Glass Plus (generic Windex)|E12 |Blue –
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KF 1(a) SOLUBILITY OF AN SALT BY TITRATION Date : __________________________ Name : _____________________________________________________ Matric no. : __________________________ 1. Objective(s) of Experiment To measure the change in solubility product of potassium periodate (KIO4)‚ when an inert salt (NaNO3) is added to the solution. 2. Why important to determine solubility? The solubility product expression can be used for predicting whether or not precipitation will occur
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