Identifying Organic Compounds 2. Purpose/Problem: I am doing this experiment to find out what kind of organic compounds are in test tubes A‚ B‚ C and D. I am curious to know if substance D was the lipid because it seemed thin and had a slightly yellow tint of color to it. 3. Research: In my research I was informed about facts and appearances of lipids. First of all lipids are non-polar compounds‚ thus they won’t dissolve in water. This is also known as being hydrophobic. They are made with one
Premium Fatty acid Olive oil Metabolism
American Geographers. Lee Sharon. 1998. “Asian Americans: Diverse and Growing‚” Population Reference Bureau Population Bulletin‚ Vol. 49‚ No 2 Liberson Stanley. 1963. Ethnic Patterns in American Cities. New York: The Free Press. Martin‚ Philip and Midgley‚ Elizabeth‚ 1994. “Immigration to the United States: Journey to an Uncertain Destination‚ “Population Reference Bureau Population Bulletin‚ Vol. 49‚ No 2
Premium United States
in foster care homes to determine the research question “whether selected physical health‚ mental health‚ or behavioral child characteristics reported either before or during foster care were associated with substantiated maltreatment in care?” ( Benedict‚ Zuravin‚ Somerfield‚ & Brandt‚ 1996) Grant 90-CA-1367 funded the study.
Premium Foster care Family Adoption
for polite social interaction and as a toy that could be manipulated for one’s own enjoyment. The language created difficulty in communicating with others that made the ‘much ado’ out of ‘nothing’‚ its unreliability brought together Beatrice and Benedict‚ while it threatened the relationship between Claudio and Hero‚ it revealed social conformity‚ was used to mask emotions and its different uses played a role in distinguishing classes. Benedick and Beatrice both loved to manipulate the language
Premium
identifying and offering solutions for social conditions and inequities. These inequities may be based on any characteristic that socially defines a subgroup. The most commonly researched characteristics are those of gender‚ race‚ and socioeconomic status (Benedict‚ 2006). Critical theory posits that the fundamental task of educators is to ensure the future points toward a more socially just world‚ presumably without the inequities present when maintaining the status quo (Giroux‚ 2010). Critical theory provides
Premium Critical pedagogy Sociology Education
Purpose: To use indicators to test for the presence of organic compounds in certain substances. Hypothesis: Honey will contain sugars‚ egg white contains proteins‚ corn oil contains lipids‚ oats contains starches and proteins‚ gelatin contains sugars and proteins‚ potatoes contain starch‚ and apple juice contains lipids and sugars. Materials: 9 test tubes Test tube rack Test tube holder Grease pencil Hot plate 20 ml honey solution 20 ml egg white and water mixture 20
Premium Carbohydrate Protein Starch
into the control test tube. Open the dialysis tubing and fill a pipette of the solution inside using an unused pipette. Repeat again and pour into the bag test tube. Place two pipettes of the beaker solution into the beaker tube. Add one pipettes of Benedict´s into each tube Heat all tubes for three minutes. Record
Premium Cell membrane Cell Osmosis
than you think. In 1823‚ Michael Faraday discovered that certain gases under constant pressure will condense when they cool. In 1875‚ Raoul Picet used sulfur dioxide as a refrigerant and in 1931 Refrigerant R-12 was developed by Thomas Midgley and C. F. Kettering. The Kelvinator refrigeration unit‚ ice cream units‚ and Semi-hermetic compressors were introduced at the beginning of the 20th century. In this day and age‚ the refrigeration process hasn’t changed much‚ as it still
Premium Gas compressor Temperature Gas
which it functions; if the pH is low‚ then the enzyme will denature and starch digestion will decrease. Observations Table 1- Effect of Temperature on Starch Ice Water Room Temp. Warm Water Hot Water Colour Change with Benedicts Reagent Blueish + Blue-yellow ++ yellowish +++ none - Amount of Sugar Trace Little Sugar Some Sugar Zero Table 2- Effect of pH on Amylase
Premium Starch Glucose Enzyme
EXPERIMENT 3: IDENTIFICATION OF FOOD CONSTITUENTS IN MILK. INTRODUCTION: In this experiment two milk samples are given and its compositions are tested using different methods such as using benedict solution to test the presence of reducing sugar‚ using copper II sulphate to test the presence of protein‚ using K3( to test the presence of fat. However in this experiment‚ not only are the milk tested for its composition‚ the amount of the particular substance such as reducing sugar‚ protein and
Premium Liquid Milk