In his 1997 documentary film Fast, Cheap and Out of Control, Errol Morris directs the fascination of a man’s action that profoundly emanates his relationship with the world around him. The four men: Dave Hoover, a Wild Animal Tamer; Ray Mendez, the Hairless Mole-Rat Specialist; George Mendonca, a Topiary Gardener; and Rodney Brooks, a Robotic Scientist, each obsessed to create unconventional worlds of their aspirations. The film has a disrupted narrative format, interweaving interviews with the men and emerging a continual dialogue between the men in a way that accentuates what connects these men together, while their jobs would seem to be in such different realms to keep them apart, it doesn’t. Also the usage of black-and-white monochrome…
semi-aquatic environment caused the apes to hunt deeper into the water for food ; thus becoming more comfortable in the water, causing the apes bodies to alter in ways most effective for water. For example the apes would have shed their fur so that they could swim faster.The theory states that a large population of the apes had been isolated on an island type of an environment when East-Africa flooded. Since the population was isolated, the apes would have to go to the sea for further survival.…
more unique when my brother and I stopped seeing my father on weekends, and my step-siblings lost their mother to a heart attack. At this point, we became the only family the others had. Our blended family became less blended and more solidified. I stopped referring to them as step-siblings, but rather just my siblings. As the youngest, I was the prime target for much mockery and ridicule. My sister developed a nickname for me when I was in middle school: Naked Mole Rat. Honestly, it’s a…
Formal Lab Report: Molar Volume of a Gas at STP Abstract: The purpose of this experiment is to find out how to experimentally determine what the volume of a mole of H₂(g) is at STP by using gas laws. The hypothesis for the experiment is that if H₂(g) is produced at RT and STP, Avogadro’s law can be used to experimentally determine the amount of H₂(g) because equal gases at the same pressure and temperature have the same amount of particles. In order to find the molar volume, hydrogen gas…
The current standard for the kilogram is the International Prototype Kilogram. The International Prototype Kilogram, also known as Le Grand K, is a platinum-iridium bar made in the 1880’s. This official Kilogram is kept in a vault in Paris under two glass domes. The reason it is under 2 glass domes it to prevent dust from obstructing from the weight of the Kilogram. However according to Sandia National Laboratories, a government organization under the Department of Energy, “Of the seven units of…
until a mustard color is obtained. Starch is then added to amplify the visual cue as explained before. The solution is then titrated to a milky pink and KSCN is added just before the endpoint. The addition of KSCN is necessary since iodine molecules have a tendency to occlude on the surface of CuI and thus, is not readily reduced by thiosulfate. SCN- can compete with this occlusion and free up the iodine so it can be reduced by thiosulfate. Finally, the solution is titrated until a sudden…
pressure, and volume are all accounted for. Dalton’s law of partial pressure is another theory that was explored in this lab. It states that the total pressure of a mixture of gases is the sum of the partial pressures of the individual gases. This law makes it possible for the partial pressure of the water vapor to be removed from the total pressure of the gases in the eudiometer tube to yield the partial pressure of hydrogen gas. Molar volume is the volume occupied by one mole of a gas, in this…
Introduction Section- The purpose of this experiment is to use reaction stoichiometry to determine the molar mass and the identity of an unknown, powdered metal, and to identify an unknown metal nitrate solution. To give a little background information on this experiment I will start by saying that a balanced chemical equation provides several important pieces of information about a chemical equation. Those important pieces include the substances consumed and formed, the physical states of the…
M) * MM(CH3COOH) (0.5967M) * (65.05 g/mol) = 35.85 g/L 4) Percent Acid ((g/L)/(given density)) * 100 ((35.85 g/L)/(1005 g/L)) * 100 = 3.57% UNKNOWN ACID 1) Moles of NaOH ((Vf - Vi)/1000) * M Run #1: ((31.11 – 0.51)/1000) * 0.2116m = .006475 Run #2: ((31.35 – 0.38)/1000) * 0.2116m = .006553 2) Calc Moles of Acid because 1:1 ratio moles acid equals moles NaOH moles acid = Run 1: .006475 and Run #2: .006553 3) Molar Mass (grams used/moles acid) Run #1:…
experiment was actually conducted. There could be a pressure difference between the two labs and this could in turn change the values of the data. There was also a variety of data that was provided or given. For example, the diameter of the syringe plunger was given to be 0.90 inches and this could actually not be the true value of the diameter of the syringe plunger. Another example of given data is the atomic masses provided by periodic tables that was used to calculate molar mass in…