Laboratory Techniques in Organic Chemistry
4th Edition
ISBN: 9781464134227
Author: Jerry R. Mohrig, David Alberg, Gretchen Hofmeister, Paul F. Schatz, Christina Noring Hammond
Publisher: W. H. Freeman
expand_more
expand_more
format_list_bulleted
Question
Chapter 4, Problem 5Q
Interpretation Introduction
Interpretation:
The method that can be utilized to dry the glassware when it is dirty before the beginning of the reaction should be determined.
Concept introduction:
Glasswares are the equipment that is made up of glass and are used for scientific work in the laboratories. The glassware is used in the laboratories because of their low coefficient of expansion and high resistance to chemical attack.The glassware used in the laboratory is dried before their use in a
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
2. In case of an accident in the classroom, who should be notified immediately?
3. Why is it a safety procedure to tie back long hair in the laboratory?
4. Why should a student not eat or drink in the laboratory?
5. Why should any spills be reported and cleaned immediately?
6. Why should you wash your hands after every laboratory period?
7. Why is rough play in the laboratory dangerous?
8. When would the wearing of safety goggles be a proper procedure?
7
What are the storage rules of chemicals.
6. Explain the reason why a laboratory analyst should not return excess or unused chemicals back in their respective reagent bottles.
Chapter 4 Solutions
Laboratory Techniques in Organic Chemistry
Knowledge Booster
Similar questions
- What's In I. True or False. Write true if the statement is correct and false if it is incorrect. Use separate paper for your answers. 1. In sterilization process, alcohol solution should be 70%-90%. 2. It is very important to observe safety rules in sanitizing tools and equipment. 3. First thing to do in the preparation of metal implements is to soak the tools in cold soapy water. 4. Remove immediately tools and implements from disinfectant solution. 5. In storing tools and implements keep unclean and dull. 6. All hair, used cotton or other waste materials must be removed from the floor right away, and deposit it in a closed container. 7. Each beautician must wear a washable uniform while serving clients. 8. Only VIP's client must be provided with a freshly laundered towel. 9. Finger bowls must be sanitized before another client use them. 10. All waste materials should be disposed of in an enclosed waste bin fitted with polythene bin liner, durable enough to resist tearing.arrow_forwardInformation about a Water Samplerarrow_forwardWhat is the importance of Chemical Safety in the laboratory?arrow_forward
- Posttest Direction. Read the questions carefully. Write the letter of the correct answer. 1. Water exists in three states of matter and continuously moving through a cycle on Earth. At which stage in the water cycle does water transform from a gas to a liquid? a.evaporation c. precipitation b. condensation d. Sublimation 2. Carbon dioxide (CO2) forms when coal burns in the presence of oxygen. Which of the following is the BEST evidence that a chemical reaction occurs when the coal burns? a. Production of mechanical energy c. A new substance is produced b. Production of electricity d. Formation of precipitate 3.Which of these does NOT happen during a chemical change? a. New substances are formed with different chemical properties. b. Attractive force between atoms of molecule formed or break. c. The chemical properties of the substances before and after the reaction are the same d. Energy is always released or absorbed. 4. A granular substance is added to a liquid. Which of the…arrow_forwardWhat characteristics does a mixture need to have so that it could be separated by: A) Distillation, B) Centrifugation. C) Separating funnel?arrow_forwardQuestion 3 This question concerns states of matter. a. Describe the arrangement and movement of particles in each of the three states of matter. Use diagrams to help you with your explanation. Explain what happens to the particles in a liquid during boiling. separate the dyes in a sample of food colouring. Explain how this method works using appropriate diagrams. road surfaces. Explain why this is done and what effect it has. b. Food colourings contain a mixture of water-soluble dyes. Devise a method to c. When there is a lot of ice in the roads in the UK, tonnes of salt are added to thearrow_forward
- .Write any two safety measures he can follow while heating a solution in a test tube.arrow_forward1. Which of the following is not a step in preparing a water sample container?a. All sample containers must be dark in colorb. The type of sample container and the level of cleaning required depend on the type of sample to be takenc. All sample containers must be thoroughly cleaned in the laboratory before sampling is carried outd. The number of containers prepared must always be in excess of what is needed, for quality assurance, quality control and reserves 2. The purpose of environmental sample analysis is..a. To determine the origin and concentration of chemicals in the environmentb. To determine the origin, concentration of chemicals and/or pollutants in the environmentc. To determine the concentration of a chemical in the environmentd. To determine the cause and concentration of pollutants in the environmentarrow_forwardWhich of the following methods is used to determine "dissolved metals" in a water sample? O Digest the water sample and measure the metals in the digest Filter the water sample and measure the metals in the filtrate Filter the water sample and measure the metals in the particles in the filter Digest the water sample, filter the digest, then measure the metals in the filtratearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Introductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage Learning
Introductory Chemistry: An Active Learning Approa...
Chemistry
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Cengage Learning