Essays Tagged: "Flask"

This is a chemistry lab report on an Acid-Base Titration experiment.

ion will be created and its volume and concentration recorded. The KHP solution will be poured in a flask along with a few drops of one of three indicators we will be evaluating. The NaOH solution wil ... ss time consuming than swirling the beaker. This solution was then poured into a 250ml Erlenmeyer's flask and a magnetic stir bar and several drops of phenolphthalein indicator were added. The flask w ...

(11 pages) 397 0 4.6 Apr/2002

Subjects: Science Essays > Chemistry

Investigate and find the relationship between heat loss (of water) and surface area to volume ratio of animals.

water) and surface area to volume ratio of animals. To investigate this, we are going to use three flasks of different volume (as the equivalent the animals) and thus different surface areas filled w ... e RatiosWe will be using the following formula for calculating SA:Vol ratios:SA : VolVol : Vol100ml flask = 115 : 100 = 1.15 : 1100 : 100250ml flask = 230 : 250 = 0.92 : 1250 : 250500ml flask = 330 : ...

(4 pages) 32 0 3.4 Apr/2003

Subjects: Science Essays > Chemistry

Cold Fusion: Possibility and Potential Use.

sity of Utah press conference they claimed they had discovered a way to achieve nuclear fusion in a flask at room temperature. It is the least to say that they were not well received by the science co ...

(9 pages) 95 0 4.2 May/2003

Subjects: Science Essays > Physics

This essay is about "The Cheat With The Ace of Diamonds" by Georges de La Tour.

her cards, covered, the other held out towards the maid who stands on her right with wine-glass and flask, her head bent and her face in profile. The "trickster" sits on the left, next to the maid; hi ...

(4 pages) 42 0 4.8 Jan/2004

Subjects: Art Essays > Works of Art

Chemisty review on mass/matter and seperating mixtures

rence in boiling points, impure substance and heat, condenses, pure liquid, is collected in another flaskI -Types of mixtures:1.Solution- homogeneous mixture made up of more than on material, can be i ...

(1 pages) 30 0 4.3 Mar/2004

Subjects: History Term Papers > North American History

The Sweet Hereafter Before and After the accident synopsis

. Dolores commented on how he was drunk when she saw him at the demolition derby. He was carrying a flask with him and had a woman with him that was, as Dolores commented, "Not the sort of woman you'd ...

(3 pages) 43 0 5.0 May/2004

Subjects: Literature Research Papers

Variable Production of Carbon Dioxide and Ethanol by the Yeast Saccharomyces in Fermentation due to Temperature Changes

ioxide. In order to achieve these values, several materials were used in the experiment. Two 500 mL flasks were used, one contain 250 mL of sucrose and the other 250 mL of water. The two flasks were c ... ed cylinders were filled with water and submerge in water bowls. After the set up was complete, the flask containing sucrose received the living yeast cells (Saccharomyces), and both flasks were stopp ...

(8 pages) 57 0 0.0 Apr/2005

Subjects: Science Essays > Biology

Rates Of Reaction

has formed, we can find out the rate of reaction. A cross can be marked on a piece of paper, and a flask of sodium thiosulphate can be placed on top. By adding hydrochloric acid to the sodium thiosul ...

(8 pages) 32 0 3.0 Jul/2005

Subjects: Science Essays > Chemistry

Steam Distillation of Eugenol from Cloves.

uts and bites.Eugenol is the main active ingredient in cloves.Procedure:1. In a 250 mL round bottom flask, place 10.0g of ground cloves and 80 mL of water. Set up for a simple distillation2. Heat to b ...

(2 pages) 27 0 0.0 Sep/2005

Subjects: Science Essays > Chemistry

The Differing Concepts of Messiah between Christians and Jews.

a messiah. Before divine service to or for God, the person (chosen by God) was anointed with oil (a flask filled with olive oil was poured on the head of the person to be anointed). That was symbolic ...

(1 pages) 23 0 0.0 Oct/2005

Subjects: Humanities Essays > Religion & Faith

GCSE Science Coursework - Investigating the factors that affect the reaction between sodiumthiosulphate and hydrochloric acid

osulphate. To change the STS (sodiumthiosulphate) concentration I will add 10cm of water to a fresh flask of STS after each experiment while each time reducing the volume of STS by the same amount. I ... the reaction until the solution is too 'cloudy' and filled with sodium for an image underneath the flask to be seen. I am allowing up to three minuets for this reaction to take place, after which tim ...

(1 pages) 952 0 0.0 Oct/2006

Subjects: Science Essays > Chemistry

Spearmint lab

ove the sand), start adding the next solvent (2 ml of hexanes) and immediately change the receiving flask to the one labeled "Fraction 2". Keep adding the solvents listed above, in succession, and col ...

(3 pages) 15 0 4.2 Feb/2007

Subjects: Science Essays > Chemistry

"The Great Gatsby"- Tom Buchanan & Myrtle Wilson

f others. This is ultimately displayed in his affairs with Myrtle Wilson. Even though he buys her a flask of perfume, a moving picture magazine, and a dog, he only does this to keep her around as one ... nd make her appear of a higher status. Next, is her (actually Tom’s) purchase of a “small flask of perfume”. As we all know, perfume is used to mask or cover up an odor, but in this cas ...

(2 pages) 18 2 4.5 Apr/2007

Subjects: Literature Research Papers > North American > "The Great Gatsby" by F. Scott Fitzgerald


ic acid.Materials: · Dilute hydrochloric acid · A small flask · 50mL measuring cylinder · Methyl orange indicato ... ring cylinder was used to measure 50mL of dilute hydrochloric acid, which was later poured into the flask. Approximately 3 to 4 drops of methyl orange indicator was also added to the flask. Ten scoops ...

(1 pages) 2014 0 0.0 Oct/2001

Subjects: Science Essays > Chemistry


ested to see if liquids in an ecosystem could cause convection currents. We poured hot water into a flask. We colored it with half a teaspoon of potassium permanganate (just to distinguish it from oth ... colored it with half a teaspoon of potassium permanganate (just to distinguish it from others). The flask was plugged with a double-holed rubber stopper. The purple colored water in the flask sunk to ...

(2 pages) 1722 0 3.0 Sep/2001

Subjects: Science Essays > Chemistry


xposed to the air while the other sample is not.Materials and methods: The materials needed are two flasks, a cotton stopper, and enough nutrient broth to put in each flask. Take both flasks and fill ... h of them with the nutrient broth. Put a cotton stopper in each of them. Then autoclave both of the flasks. Take the stopper out of one of the flasks. Let the flasks sit for one week and then make obs ...

(1 pages) 358 0 0.0 Feb/2002

Subjects: Science Essays > Biology


en the body or head is stored in a dewar, which is like a thermos, and put into cold storage. "This flask is continuously being filled with liquid nitrogen because the nitrogen is evaporating continuo ...

(7 pages) 461 0 3.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine > Diseases

The onslaught of love - the br

me…/That I have had the plague a year?/ Who would not laugh at me, if I should say,/ I saw a flask of powder burn a day?" (l. 5-8) These things are impossible just as being in love for an hour ...

(3 pages) 418 0 3.5 Feb/2008

Subjects: Literature Research Papers > European Literature > Authors > Shakespeare

Tim The Tool

asically this process in tales pouring a certain amount of both phenolphthalein and formalin into a flask, then NaOH is added by an eyedropper until the solution turns a pale pink. You do this same pr ... y an eyedropper until the solution turns a pale pink. You do this same procedure to three different flasks; however, a different chemical is added to each one. In one of them the formalin solution is ...

(2 pages) 1366 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

The Cask Of Amantillado

val. You see now, I am a man who fancies my liquor and anytime I can go outside and drink out of my flask and watch everyone act foolish around me, I fancy just as well. Around dusk, while wandering a ...

(3 pages) 350 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry