The buffer checks out because pH=pKa ± 1.0. Results: Phosphate buffer: The initial pH for the phosphate buffer is 6.83 and it takes 18 drops to equal 1.0 mL of 1.0 M HCl. The volume of HCl required to break the buffer was 1mL, and the known concentration of the HCl 1.0 M The number of moles of HCl consumed by the buffer was 0.02. [pic] Acetate buffer: The target pH of NaCH3CO2 was 5.25 and the actual measured pH for the acetate buffer was 11.21. The number of drops to equal 1Ml of NaOH is 17 drops.
Ethical Issue: Before even beginning the project, Mr. Allison couldn’t keep his commitment in regards to meeting the temperature requirement. Mr. Allison was dishonest and to make matters worse he failed to voice his concerns. It was apparent that Gary was not truly on board with the project plans from the beginning and lack confidence to get the job done. Everyone on the team also did not communicate these issues with the client or stakeholders of the organization. Legal and Contractual Issues: SEC is guilty of legal and contractual issues in regards to the Orion Shield Project.
The simple addition of water to FeSO4 will not lead to the formation of FeSO4•7H2O. Determination of the number of molecules of water in a hydrate. If you do not know how many molecules of water are in one molecule of hydrate and want to find this out, it can be done by measuring the masses of the hydrate and anhydrous compound formed after the heating. For example, let’s assume that we do not know how many water molecules are attached to BaCl2. Let’s call this number X.
The plant hemp is illegal in the United States and has been since 1970 due to Congress passing the Controlled Substances Act, which makes growing hemp illegal without a DEA permit (Mass). Usage of hemp is among the oldest industries on the planet, dating back more than 10,000 years. The Columbia History of World states that the oldest relic of human industry is a bit of hemp fabric dating back to approximately 8,000 BC (Mass). The oldest paper came from China, made from a mixture of flax and hemp (Wilson). Not only is hemp one of the most productive plants known to man it can create upwards of 25,000 applications (Priensitz).
Lack of equipment could’ve been one of factors that contributed to our errors. During this lab, we only had access to one spatula. Due to the lack of time we continued to use this one spatula despite the fact that it may not be cleaned properly and could still be dirty. The dirty spatula could’ve caused our results to be inaccurate because the different samples could’ve mixed causing the color of the flames emitted to vary. Another error that we made was due to lack of equipment once again.
While the Winklevoss twins originated the idea and had begun executing it, they had taken no steps to protect their intellectual property and had no formal arrangement with Zuckerberg. It is likely that they made several missteps that led to the loss of billions of dollars. The first misstep was their assumption that their idea would be protected from theft. Their second misstep was not taking action to protect their idea, which led to the false assumption about Zuckerberg. For his part, Zuckerberg conducted himself with weak moral standing, having stolen a valuable idea and taken steps to register and launch it without stating his position to the Winklevosses.
He also even took the time to write a plant book of which he could reference to see if a plant was edible. Yet Krakauer tells us that he “came into the country [of Alaska] with insufficient provisions, and he lacked certain pieces of equipment deemed assential by many Alaskans” (180). This shows us that one can’t be prepared for everything. In the novel it also says that Chris “intended to invent an utterly new life for himself, one in which he would be free to wallow in unfiltered experience” (23) and after that it shares that Chris had believed that he was the “master of his own destiny.” This proves to be false. It can be thought that absolutely no one can run the world.
As a result, wood is soaked in very strong alkalis such as caustic soda to produce a pulp consisting of cellulose and lignified cellulose fibres in water. Thin layers of pulp are then pressed onto frames where they dry to form paper. Many traditional methods of producing fibres such as flax, often used for ropes, simply relied on the natural actions of decomposers to break down the material around the fibres, known as retting. In developed countries manufacturing processes have replaced natural retting, using chemicals and enzymes to quicken the process. It is most likely that the best and most widely used of the natural fibres is cotton.
Laboratories Jaloma S.A. de C.V. had a similar warning letter for noncompliance to standards and cGMPs. The company had insufficent standards or equipment to perform required testing and they failed to obtain testing through an independent lab. In addition, Laboratories Jaloma failed to properly identify and label each active ingredient in the
Chasity Thompson Date of Experiment: October 26, 2012 Report Submitted: October 27, 2012 Title: Colligative Properties & Osmotic Pressure Purpose: The experiment was designed to explore the colligative properties of freezing point depression and osmotic pressure in solutions as well as define colligative properties and discuss membrane permeability and osmotic pressure. Procedure: There were several different products used to prepare for this experiment such as small rubber bands, salt, tap water, 1/8 measuring spoon, distilled water, crushed ice, 100ml plastic beaker, digital stopwatch, test tubes, thermometer, 24 well plate, white vinegar, eggs, Karo light syrup, pint jar with lid, glass bowl, funnel, and Dialysis tubing. Data Tables: Time (s) | Temperature (c) Distilled Water | Temperature (c) Salt Water | 0 | 21 | 22 | 30 | 5 | 7 | 60 | 0 | 4 | 90 | -1 | 1 | 120 | -1 | 0 | 150 | -1 | 0 | 180 | -1 | 0 | 210 | 0 | 0 | 240 | 0 | 0 | 270 | 0 | 0 | 300 | 0 | 0 | 330 | 0 | 0 | Temperature of Pure Distilled Water: Temperature of Salt Water: Observations of Raw Egg: Eggshell in vinegar reaction CaCO3+ 2H+ -> Ca+2+ H2O +CO2 Time (Hours) | Raw Egg | Raw Egg in Vinegar | Raw Egg in Syrup | Raw Egg rinsed in Tap Water | 0 | Oval shaped,white, opaque,hard shell | Oval shaped, white, opaque,Bubbles rising out of vinegar | Oval shaped, large, translucentyellow, no shell | The egg isstill soft andsmall and isa paleyellow color | 6 | | Slightly yellowish,bubbles in vinegar | Translucentyellow, largesize, no shell | | 12 | | Yellow,bubbles in vinegar, shellthinning | Slightly smaller in size, translucentyellow, no shell | | 24 | | Translucentyellow, larger insize, no shell | Noticeablysmaller in size, feels soft to thetouch, still yellow | | Questions: Question A: To what