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Lab Reports Essay Examples

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Food Microbiology Ph Lab Report

This is of extreme importance when it comes to canning Of foods in particular, Many home canned foods can he a breading ground tort petulance and other diseases. Having proper pH levels will cut the risk. Materials: ; Fresh red cabbage ; Hot plate ; Beaker, 500 ml or larger ; Beakers, SO ml ;…

Ib Lab Report

Back in 1590 in Middlebury, Netherlands, an early microscope was invented by the famous two eyeglass makers that are even credit widely: Hans Janssen and Hans Lappers (who developed the early telescope). Galileo Gillie’s also made a compound microscope in 1625 (Galileo had called it the “schooling” or “little eye”) which later coined the name…

Condumetric and Gravemetric Lab Report

Another way to calculate the molar concentration of barium hydroxide would be to calculate the number of moles of the insoluble barium sulfate by gravimetric determination. Data Analysis: 1. 7. 6 ; 10-4 mol HASPS 2. 0. 076 M 3. 0. 008351 mol Bass 4. 0. 0835 M 5. Equivalence Point: 24% error, Gravimetric determination:…

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Lab Report on Enzyme

The reaction can still occur without the presence of the enzyme, but at a much slower rate. The activation energy is the minimum amount of energy need for a chemical reaction to occur, yielding from a given set Of reactants. In enzymatic reactions, we have substrates Which are reactants of reaction bound to an enzyme….

Chem Lab Report

After the masses were taken, the densities of each liquid were calculated. Results showed: * Distilled water – 1. 01 g/ml Methanol – 0. 793 g/ml * Glycerol – 1. 27 g/ml Thus, the results showed that glycerol was the densest, methanol was the least dense and with distilled water being pure, its density was…

Penny Lab Report

Research Question: What is the percent composition of Copper and Zinc in a positive penny? Aim: The purpose is to determine the percent composition of Zinc and Copper metals in a post-1983 penny with the use of HCI. Variables: Independent Variable: percent composition of Zinc. Dependent Variable: percent composition of Copper. Controlled Variable: Military of…

Redox Titration Lab Report

Cry H2O This equation can be used to convert moles of the dichloride ion to moles of the unknown iron to determine the percent of iron contained in the sample, To prepare the acid mixture add 125 ml of both concentrated phosphoric acid ND sulfuric acid to 500 ml of denizens water and mix well….

Lab Report

My hypothesis for unit 7. 3 was knowing that lactate is specific for lactose, lactose will separate into calaboose and glucose, as maltose will not change (153-155). Lactate should like lactose. For unit 7. 4 my hypothesis was that DE TA Will remove the ions, and Will not work. Materials/Methods For unit 7. The experiment…

Lab Report

Another loop-full tot bacteria was added to the test tube intonating S ml of sterile saline, recapped and shaken by flicking, S ml of water was added to the bottom of the incubation tray to provide a humid atmosphere. A Pasteur pipette was then filled with a bacterial suspension, The incubation tray was tilted and…

Gfp Lab Report

All four of the wells were condensed with I Pl of an enhancer and added too lipid-based transaction reagent Effected to allow the target DNA to be introduced into the Hell cells. The cells containing . 45 ml Of transaction complexes and complete growth medium were incubated for two days and then replaced With I…

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