1) Who should be immediately called for assistance in case of an accident in the laboratory? Your laboratory instructor. Your instructor should be trained to assist with emergency first aid until qualified medical assistance arrives. 2) What must be worn in the laboratory at all times to decrease the likelihood of an eye injury? Goggles or approved glasses. Contact lenses should be worn only with GOGGLES or FACE SHIELD. Anything getting under a contact lens will not wash out unless the lens
Premium Laboratory equipment Chemistry Sodium
as a "new carburet of hydrogen". Acetylene gas is colorless and is mainly uses as efficient gas and chemical building blocks and it also has the highest flame temperature of any common hydrocarbon because of its triple-bond structure H-C=C-H. The acetylene gas is very flammable and it produces a burst of flame when it is ignited. Its high flame temperature allows it to be used in a variety of metal working applications like cutting‚ welding‚ brazing‚ and soldering. Acetylene can also produce from
Premium Hydrogen Hydrocarbon Chemistry
Title: Investigation of the Enzymatic Effects of Materials on Hydrogen Peroxide Solution Objective: To investigate the enzymatic effect of various materials in the hydrogen peroxide solution Apparatus and Equipment: Beaker‚ Boiling tubes‚ Water bath‚ Pen knife‚ Glass rod‚ Parafilm. Materials: Fresh liver‚ Potato cubes‚ Manganese dioxide‚ Hydrogen peroxide‚ Wood splints Procedures: 1. Six fresh empty boiling tubes 1‚ 2‚ 3‚ 4‚ 5‚ 6 were labeled. 2. The liver provided was cut into
Premium Enzyme
Chemistry Salt Analysis Cheatsheet Version 2.0 © 2008 Ankur Banerjee All Rights Reserved. Only important stuff for CBSE Class 12th Chemistry practical syllabus has been included‚ not everything. 2. WE + acidified K2Cr2O7 2 = sol 3 turns green 3. WE + acidified KMnO4 = pink colour of KMnO4 is discharged 4. Sulphide: Colourless gas with a smell of rotten eggs (H2S); turns lead acetate paper black 1. Sodium nitroprusside test: WE + sodium nitroprusside 4 = purple / violet colour 2. Lead acetate
Premium Ammonia Potassium Blue
They now stood like stone statute‚ their chastisement swallowed leaving a bitter taste. They watched the spitting flames feasting upon the splintered wood with unblinking eyes. Once the shock had worn off‚ the townspeople’s common sense returned. They divided themselves up‚ half of them rushed to the water tank to dowse the flames while the other half went in search of Leo‚ the boy who had caused so much trouble‚ and ruined their festive night. They fanned out like a well-coordinated
Premium Dance English-language films Event planning
Ethyl alcohol is a 2-carbon alcohol with a molecular formula of CH3CH2OH (Smith‚ 2014). Ethyl alcohol is an inebriating substance commonly found in alcoholic beverages. This substance acts as a central nervous system depressant and is commonly referred to as a “psychoactive drug‚” which is capable of altering brain function. This substance can be lethal if consumed in high doses. The amount of ethyl alcohol that is consumed can be quantified by blood alcohol content (BAC). BAC is measured as weight
Premium Drug addiction Addiction Alcoholism
After viewing the incandescent and fluorescent spectrum‚ the gases and the colors emitted‚ the substances and the observations of the flames and spectrums were completed. For the first unknown gas‚ I concluded it was SrCl2‚ because the flame was bright orange and the spectrum was yellow with little red. For the second unknown‚ the conclusion was NaCl because the flame was orange and the spectrum was orange‚ green‚ and purple. After making these conclusions‚ the question was raised if two elements could
Premium Photon Electromagnetic radiation Light
notices that Flame Princess is calling. Finn says that he is not going to answer because Jake might embarrass him‚ which gives Jake the idea to do so. Jake forces Finn to waddle over to Flame Princess’s house‚ where she has invited the "less evil" members of her family to meet Finn over dinner. Jake then forces Finn to take off his clothes‚ stick the dining cloth in his underwear while Jake singsFinn’s baby song in a high-pitched voice. Flame Princess and her family are aghast at this until Flame Princess
Premium The Bet Lava
the cruelty‚ and inhumanity. Elie Wiesel uses symbolism throughout the book to briefly illustrate death and his faith. But one main part where he uses it‚ is to describe the flames. Madame Schachter has many outburst when she got visions about fire and flames. “Jews‚ listen to me! I can see a fire! There are huge flames! It is a furnace!” (Wiesel 34). She cries. The whole entire time she had the visions‚ everyone thought that she was delusional. As the Jews arrived to the concentration camp‚ they
Free Elie Wiesel The Holocaust Auschwitz concentration camp
NIGHT OF SCORPION - THE CRITICAL APPRECIATION --------------------------------------- Night of the scorpion written by Nissim Ezkiel is an interesting poem and the poet brings about a very appealing contrast between good and evil in it; altogether giving the poem an essence of equality. The poet makes it a trouble-free task for the readers to visualize the scenes with the appropriate use of various imageries. He has also done a marvelous work of adding various different senses into the
Premium Figure of speech Linguistics Perception