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Lab Reports Essay Examples

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Density Lab Report

Key measurements and formulae were also used to determine densities of metal ND plastic objects as well as irregularly shaped rocks. It is possible to find the density of an object (be it liquid, gas or solid) by the use of only a select few measurements and the formulae contained herein. Introduction In observing oil…

Stoichiometry Lab Report

The weakness of this lab was that time was very rushed but yet the group still managed to stay on track and stayed very calm. In the future for this lab, it would be very beneficial for extra time so the importance of the instructions and observations can play their role. The only mistake that…

Entomology Lab Report

In this experiment, the effectiveness of biological control is tested using lady beetles and aphids. Lady beetles are predacious coelenterate that feed primarily on aphids (order hemisphere). Aphids feed on a plethora of plants including peach, plum, and apricot. Aphids are also vectors of plant disease. Eight replicates were conducted. In each replicate a lady…

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Lab Report

The clear supernatant liquid is filtered y gravity filtration using a vacuum pump. It is dried in an oven and a desiccators and finally weighed. The result obtained is 0. Egg, which is more than expected, thus proving the presence of impurities in the precipitate. Thus, measures have to be taken to ensure a lower…

Lab Report

When that was done boiling and heating up we added the vinegar and steel wool. It had changed color by doing this. It changed to a lights brown color, kind of like tea. Then we added a little spoon full of gum Arabic. This helped the ink stay on the surface of the paper, and…

Guidelines for Lab Report

A good lab report should address the following questions: ‘Why? ‘ – Why did I do this particular experiment? “How? ” – How did I actually carry it out? ‘What? ” – What did I find? What were my results? “So What? ” – What does my result mean? What is the significance of the…

Unknown Lab Report

Under a microscope, if the gram stain is purple, the actinium is gram positive, if the stain is red, it is gram negative. The next test was the fermentation tests for glucose, sucrose and lactose. If an organism is able to ferment the carbohydrate, there will be acid produced, which will turn the broth yellow….

Standardization Chemistry Lab Report

To be able to prepare standard solutions. To determine the strength of a given solution of Hydrochloric acid (HCI) To analyze errors that occur during standardization experiments. Introduction: A standard solution can be defined as a solution that contains a precisely known concentration of a substance. Concentration refers to the abundance of a substance in…

Enzymes Lab Report

The substrate is then metabolize or broken down, resulting in a product, which can be utilized to energize cells. Once the product is released from the active site the enzyme returns to it’s original form. The main objective of this lab was to take the enzyme lactate and observe how well it acts as a…

Lab Report

In the first part, we applied the principle of pressure difference across fittings in a closed conduit to find out the loss coefficients of these fittings. Thereafter, we determine the individual flow rates of the 3 different lines in the system. With this knowledge, sufficient understanding about the properties and characteristics of the different devices…

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