Liquid

there. The volume of liquid in the beaker before the egg was placed in was 150 mL, and when the egg was taken out, the volume decreased to 130 mL. This proves that some of the distilled water that was in the beaker passed through the cell membrane and into the egg, which explains why the mass of the mass increased, while the volume of water decreased. The distilled water didn’t have any minerals or gunk that prevented it from going through the cell membrane easily, while the liquid that was in…

percent yield are losing crystals during the transfer to the bigger filter paper or if the reaction did not fully proceed to the end. A lower melting point shows an impurity of the final product collected and this could have been due to any water or liquid still left in the crystals; one…

in such a manner that prevented emerged bubbles that could have formed disrupting test accuracy. o Temperature of the liquid was collected once the fluid was in the cylinder. 3. Dropped into the cylinder was a Glass (Dark) ball then a Steel (Silver) ball twice for a total of four trials. o Each ball was fished out smoothly from the oil to be removed with a hook utensil. o The liquid was drained out about halfway back into the measuring cup at a slightly incline manner pouring slowly. 4. Slow…

Solution growth deposition This technique consists essentially of inserting the substrate into a solution containing hydrolysable metal compounds and pulling it out at a constant speed into an atmosphere containing water vapour. In this atmosphere, hydrolysis and condensation takes place. Finally the films are hardened by a high temperature cycle to form transparent metal oxides. Any hydrolysable compound including halides or nitrates but preferably metallo-organics are suitable…

viscous because their molecules aren't held strongly together by dipole-dipole bonds. Polar molecules such as water and ethanol are more viscous because they are held more strongly together by dipole-dipole--and in these molecules case--hydrogen bonds. Liquids that are hydrocarbons can also be more viscous because they have longer carbon chains. For example, hexane has much less carbons than mineral oil and is therefor much less viscous. It seems that intermolecular bonds in hydrocarbons become…

Note this: do not use regular magnets because they do not have the strength to attract the slime. Mix the liquid starch and iron oxide powder in the bowl and stir with the craft sticks until they are mixed perfectly. Add the glue and keep stirring. Take the slime out and start squishing until it is perfectly mixed together. You may wear gloves to avoid staining…

of 3M HCl was added and swirled into the solution. The top of the 25-mL flask was capped and the two liquid were mixed in a thorough manner. Ventilation was required after every few seconds. After letting the solution sit for a while and letting the liquid layers separate,…

All fluids have its resistance to relative motion between surfaces and is called Viscosity. This property is about the friction between the particles of a fluid. A fluid that is forced in a tube has the liquid moving faster as it is closer the axis of the tube and slower when farther from it. 3.1.1 Dimensionless Parameters In analysis of convection heat transfer, it is convenient to convert to non-dimensional the governing equations and combine the variables, which makes the group of…

Fracking: A Controversial Topic If someone offered you $100,000 to drill on your land, would you accept the offer? Would the $100,000 be worth the sacrifices? Fracking, or hydraulic fracturing, is the process in which chemicals and liquids are injected into rocks below the Earth’s surface at high pressure to extract the natural gas or oil trapped inside the rock. Below the surface of the United States lies trillions of cubic feet of natural gas, a quantity which is twice the amount of oil in…

Does a Measurement Result in a True Value? Limitations of Measurements Elizabeth Lechtholz-Zey & Marisa Loredo 10/5/15 CHEM 101-08 Purpose To determine the differences in precision and accuracy in weighing 10 mL of water using a 50 mL beaker, a 10 mL graduated cylinder, and a 50 mL buret. Data Temperature of water: 23.0ºC 100 mL beaker weight: 50.557 g # of additions of water to the 100 mL beaker * 50 mL beaker (±5 mL) * 10 mL graduated cylinder (±0.05 mL) * 50 mL buret…