ipl-logo

Vinegar Experiment

3183 Words13 Pages

TITLE The production of vinegar by acetic acid bacteria the isolation of isolation of acetic acid bacteria from apple cider vinegar ABSTRACT The aim of the experiment was to produce vinegar, isolate and identify Acetetobacter sp from vinegar. It was to determine the concentration of acetic acid in vinegar. The production of apple cider is explained in detail. The production used a sample vinegar generator. Vinegar is a liquid that is acidic. Vinegar is formed by the fermentation of alcohol to acetic acid. The production of vinegar includes two methods being the slow and fast methods. The materials used included wood shavings to absorb the bacteria from the apple cider to isolate the bacteria further from it. The process include mother of …show more content…

The action occurs by acetic acid bacteria, which is the Acetobactor sp (Gullo, 2006). Vinegar is a solution that is made of water and acetic acid. The liquid is sour. It is a result obtained from wine. However it can also be created from rice, cider and other solutions that may have alcohol in them. Vinegar is a solution obtained from the dilution of acetic acid. This makes vinegar less acidic compared to acetic acid. The name vinegar derived from French; Aigre which means sour and Vin which means wine (Gullo, 2006). This is what proves that it is made from wine and it is sour meaning acidic. The acetic acid has a molecular formula which is, CH₃COOH. It has its formula for neutralization which is; CH₃COOH + NaOH CH₃COONa + H₂O (Cleenwerck, 2002). The equation means the reaction of acetic acid with sodium hydroxide giving sodium acetate and water as products. The process is a fermentative one meaning it can occur in the absence or presence of oxygen. Many compounds are from during the alcohol fermentation since many reactions occurs during the process. A good example is when acetic acid and ethanol combine to form ethyl. The compound with a very high acid is acetic acid it can be isolated from other bacteria by means of gram stain and can also be tested biochemically (Cleenwerck, …show more content…

The temperature should be kept to a good state, sixty to eighty degrees Fahrenheit (Du Toit and Lambrechts, 2002). If it is poured in low temperatures it makes good vinegar. If it made under a high temperature it interrupts the formation of the mother of vinegar which is a mat that is formed at the bottom of fermenting wine the vinegar produced becomes bad and unusable. Metal containers are not appropriate for the making vinegar. The mixture has acid which can corrode with the metal. In making the vinegar; a glass, plastic, wood and stainless steel containers are the best (Cleenwerck, 2002). They produce good results and extend shelf life of the

Show More
Related
993 Words | 4 Pages

Marwah Alabbad Post lab 10/21/15 Question 1: 1. Experiment 1: Number of trails NaOH concentration (M) Volume of HCl solution (mL) Initial volume of NaOH(mL) final volume of NaOH(mL) The volume of NaOH to titrate HCl (mL) Concentration of HCl (M) 1st 0.1023 25.0 10.05 36.12 26.07 0.085 2nd 0.1023 25.0 5.74 31.40 25.66 0.105 3rd 0.1023 25.0 9.84 35.52 25.68 0.105 First trail calculation: 0.02607L× (0.1023mole NaOH/1L)×(1 mol of HCL/1 mol of NaOH)×(1/0.025)= 0.085M of HCl

Read More
795 Words | 4 Pages

If I had a household product labeled sodium bicarbonate, I would add an acidic substance and expect bubble to be created. As we know acid reacts with bubbles when combined with sodium bicarbonate. 2. Write the chemical equation for the reaction in well A6. B BoldI ItalicsU Underline Bulleted list Numbered list Superscript Subscript3 Words NaOh + AgNO3>>>>NaNO3 + AgOH 3.

Read More
759 Words | 4 Pages

The results do not support the hypothesis that a higher surface area to volume ratio would result in sulphuric acid being diffused into the agar cubes in the shortest amount of time. This is evident in the results as the exact opposite to what was predicted occurred. Instead of the smallest cube with the largest surface area to volume ratio of 1cm3 having the quickest diffusion rate, it conversely took the longest at 0.092 cm3 per second, whilst the 2cm3 cube with 0.0384 cm3 per second took the least amount of time. This directly refutes the hypothesis. There was also no consistent trend evident in the results.

Read More
624 Words | 3 Pages

Aseptic technique was initiated at the beginning of this experiment by cleaning the work surface with disinfected wipes. Personal protectives equipment was also worn. The material utilized in this experiment was: S. epidermidis culture broth, sterile cotton swab, streak plate, forceps in 70% alcohol, a lit tea light, and the three antibiotic disks (novobiocin, gentamicin, penicillin). The first step, I divided a plate into three quadrants and labelled them with the different antibiotic names. Using the lit tea light, like a bursen burner, I flamed the mouth of the S. epidermidis culture.

Read More
483 Words | 2 Pages

From here, Chapman proceed to make a sell with the frontiersmen when they arrived. Afterward, Chapman headed to more undeveloped lands to plants more apples. At the time, all of Chapman’s orchards are planted from seed, meaning that his apples were, for the most part, unfit for eating. In other words, the planted apples were used primarily for drinking, not eating. Apple cider provided those on the frontier with a safe, stable source of drink, and in a time and place where water could be full of dangerous bacteria, cider could be imbibed without worry.

Read More
1337 Words | 6 Pages

The soda water will be stored in 5 different temperatures : 5℃, 15℃, 25℃, 35℃, and 45. The desired temperatures will be achieved by using the water bath and refrigerator. I chose phenolphthalein as the indicator, because it is commonly used for titration and is a weak acid. Phenolphthalein is usually used when the solution is strong base and weak acid. When it is added into an acidic solution, the solution will be colourless; when it is added into an alkaline solution, the solution will turn pink.

Read More
1209 Words | 5 Pages

Carly Herrin American counterculture of the 1960s was one of the most powerful movements that had a lasting influence on American society in the following decades. The counterculture movement is strongly associated with the hippies, sexual revolution, and the protests against Vietnam War. The movement was shaped up by the rejection of the social norms of hippies’ parents but evolved to embrace more specific political and societal goals, including the withdrawal from Vietnam, environmentalism, gender equality, and the expansion of civil liberties. “The Electric Kool-Aid Acid Test” by Tom Wolfe is an excellent non-fiction work that allows to see the movement from the inside and in the specific details of the daily hippie life. Even though the

Read More
336 Words | 2 Pages

Everyone knows the simple and easy experiment of vinegar and baking soda, but do you really know how it works. This paper will not only explain what makes these two very different chemicals react, but also what materials you will need to accomplish this easy science experiment. Baking soda and vinegar are two different chemical with two very different uses, they are not really even supposed to be used for a science experiment, take vinegar for example, some individuals use vinegar for cooking. Baking soda has a very different use, it is used for bee-stings. When vinegar and baking soda are combined, the hydrogen ions in the vinegar interact with the sodium and bicarbonate in the baking soda.

Read More
1613 Words | 7 Pages

How does the amount of baking soda mixed with vinegar affect the volume of gas produced? The rate of reaction is the increase or decrease time taken at which the products are formed or concentration increase or decrease between a reaction of two or more substances. In the reaction, new bonds are formed whilst others have been broken.

Read More
1001 Words | 5 Pages

A 50 mL buret was obtained and was washed with NaOH solution. After filling the buret with NaOH (titrant) and preparing the KHP (analyte) in the Erlenmeyer flask, the solutions were titrated. The volume used from the NaOH solution was recorded. C. Determination of the Acidity of Soft Drinks First, the soft drinks were heated.

Read More
1052 Words | 5 Pages

Introduction Strong acids and strong acids both dissociate completely in water forming ions. However, strong acids donate a proton to form H3O+ along with a conjugate base and strong bases accept a proton to form OH- along with a conjugate acid. The chemical behavior of acids and bases are opposite. When they are together, their ions cancel out and form a neutral solution. In this experiment, HCl and NaOH will react to form NaOH and H2O with these two steps: The overall reaction is: Both Na+ and Cl- ions combine to form NaCl.

Read More
1393 Words | 6 Pages

Cellular Respiration One of the main essentials of life that all organisms need in order to function in our world is, energy. We receive that energy from the food that we eat. Cellular respiration is the most efficient way for a cell to receive the energy stored in food. In cellular respiration, a catabolic pathway, which breaks down the molecules into smaller units, in order to produce adenosine triphosphate, also known as, ATP. ATP, is used by cells in the act of regular cellular operations, it is a “high energy” molecule.

Read More
1489 Words | 6 Pages

Ali Atwi : Internal assesment – calculating of the concentration of ethanoic acid in vinegar AIM : To calculate the concentration of ethanoic acid CH3COOH in vinegar using stoichiometric equations, ( Yamaha brand ) Introduction : I personally like to add a little bit of vinegar on my food because it makes it taste better, yet I know that vinegar contains acid, and I also know the consequences of highly concentrated acid intake, like severe itching and stomach ache, vomiting. Venigar contains a small percentage of ethanoic acid Ch3COOH. This practical aims to find out the concentration of the of the vinegar against a standard solution of sodium hydroxide soloution of concentration 0.1 mol dm3 through acid-base titration, the label on the bottle says 6%.

Read More
738 Words | 3 Pages

CONCLUSION When you put an egg in vinegar, we see that the shell dissolves, but do you ever wonder why? An egg is made mostly out of calcium carbonate which reacts with an ingredient in vinegar, acetic acid. Acetic acid is about 4% of the vinegar and what breaks apart the solid calcium carbonate crystals. The bubbles we see, from the egg, is the carbonate that make carbon dioxide and the other calcium ions float free. This is the equation: CaCO3 (s) + 2 HC2H3O2 (aq)

Read More
967 Words | 4 Pages

Conclusion The GC ethanol analysis method described above has a simple concept, its rapid, and extremely accurate, determining ethanol precisely without interference from other beverage components. With this method, it takes only 7 to 8 min to complete a sample analysis for the determination of ethanol content in a beverage sample. Analyst handling is minimized to prevent deviation in results or possible human error. This method requires a gas chromatograph and a digital integrator, both reasonably expensive and sophisticated pieces of equipment.

Read More

More about Vinegar Experiment

Related Topics

Open Document