Bunsen burner Study guides, Class notes & Summaries

Experiment #: 6 Title: Equilibrium Reactions Purpose: To study equilibrium reactions with two experiments 1. Determine the equilibrium constant Kc and 2. Study LeChatelier’s Principle Procedure: 1. Add 10mL acetic acid and 10mL propyl alcohol in a small flask using a pipette. Mix well 2. Take 1mL pipette sample from flask and place in beaker. Add in about 25mL of water and a few drops of phenolphthalein indicator. 3. Titrate with sodium hydroxide in buret until color change. Record mL ...

Weighing a solid - CORRECT ANSWER 1. Zero the balance 2. Place weighing bottle/boat onto balance and add in the approximate required mass of solid 3. Accurately weigh solid and weighing bottle and record 4. Empty solid into glassware where it will be used 5. Accurately reweigh empty weighing bottle 6. Subtract recorded mass for empty weighing bottle from mass recorded for solid and weighing bottle Measuring a volume of a liquid using a pipette - CORRECT ANSWER ...

Organic Chemistry 234 Lab Exam Questions With 100% Correct Answers What is the proper thing to do shall your clothing catch on fire in the lab? - answerUse the safety shower What is the appropriate way to put out a fire caused by an organic solvent? Why is water not a good choice? - answerUse the fire extinguisher "ABC", water is not a good choice because some flammable materials react violently with water and could make it worse. What should you do when chemicals get in your eye? - ans...

Spills or accidents should be reported to instructor Broken glass should be disposed of in designated container students should always wear lab apron and goggles Equipment and reactions are placed where in the fume hood as far back as possible fire can be caused by volatile solvents such as ether, acetone, and benzene kept in open flasks and beakers explosion can be caused by heating or creating reaction in a closed system, vented systems prevent this chemical/thermal burns cor...

Microbiology Antibiotics Study Guide Questions With Complete Answers. What is an antibiotic? A. An organism that inhibits the growth of other organisms B. A chemical that inhibits microbial growth C. A synthetic chemical that kills bacteria D. All available answers are characteristics of an antibiotic. - CORRECT ANSWER B What does the Kirby-Bauer test assess? A. The ability of a microorganism to swim away from an antibiotic B. The ability of a microorganism to secrete an antibiotic...

Ocular/eyepiece - Answer-2 eyepieces 10x magnification move in or out to adjust positioned correct=single circle of light Body - Answer-Holds mirrors that bend light into oculars images reversed and inverted Nose piece - Answer-Where objectives are attached Objectives - Answer-Contain magnifying lenses 4x, 10x, 40x, 100x Arm - Answer-Supports nose piece Holds power switch Holds focus adjustment knobs Stage - Answer-Flat platform that holds mechanical stage Mechanical Stage - Answer-...

What three color pencils are needed? - ANSWER - blue, red, green How are endospores freed form the vegetative cell in which they form? - ANSWER - released when losses the surrounding sporangium What drugs are used to treat tuberculosis? - ANSWER - rifampin, isoniazid, ehtambutol, and pyrazinamide What drugs are used to treat leprosy? - ANSWER - rifampin What other disease besides tuberculosis is caused by pathogenic mycobacterium? In what animal to they grow? - ANSWER - leprosy (Hans...

Organic Chemistry 234 Lab Exam Questions With 100% Correct Answers What is the proper thing to do shall your clothing catch on fire in the lab? - answerUse the safety shower What is the appropriate way to put out a fire caused by an organic solvent? Why is water not a good choice? - answerUse the fire extinguisher "ABC", water is not a good choice because some flammable materials react violently with water and could make it worse. What should you do when chemicals get in your eye? - ans...

UTA Micro Lab Practical One Review (Quizzes) Latest Update Graded A+ If you are using the 40x objective and have a 10x eyepiece, what is your total magnification? 400x __________ is the ability to see or distinguish detail or the clarity of the image. Resolution What can be done to increase the contrast of a specimen to bright background of a light microscope? You could stain the specimen. Based off of your lab activities, what is this image of? bacterial capsule When using a p...