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A: In the laboratory, Safety is the primary responsibility of everyone in the lab.
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Q: Read the scenario below. Identify what is inappropriate lab behavior in each instance. Then write…
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Q: Which of the following statements is not correct concerning lab safety rules? Lab instructor must be…
A: Safety rules must be strictly followed for safety purpose in lab.
Q: 10:24 Worksheet-No.-1-Com...Laboratory-Apparatus-1 Done 'C
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Q: Why is it important to know the use of laboratory tools and equipment?
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Q: what are the differences and similarities of "The Chemical Professional's Code of Conduct" with Good…
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Q: What is the importance of Laboratory Safety?
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Q: Identify basic procedures for dealing with laboratory accidents.
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You have new employees in your laboratory whom you should train on Safety in the laboratory. Discuss the safety rules that they need to know.
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- Explain the importance of knowing laboratory safety rules, guidelines, and waste management.1. what are the differences and similarities of "The Chemical Professional's Code of Conduct" with Good Laboratory Practices ?Convert the experimental glucose concentration (provided in the table below) from mM (millimolar) to g/100 mL. Write a step-by-step guide with key words for the Chem 2 students on how to do these calculations. You can use diagrams, a table or just type the steps out. Ensure the steps are clearly written and easy to follow Drink # Glucose Concentration in mM 1 2.340 mM 2 0.288 mM 3 3.500 mM 4 0.136 mM 5 1.673 mM
- The ‘Chemistry in Focus” segmentChemistry: An Important Component of Your Educationdiscusses how studying chemistry can be beneficial not only in your chemistry courses but in your studies in general. What are some characteristics of a good student, and how does studying chemistry help achieve these characteristics?Chemistry is an intimidating academic subject for many students. You are not alone if you are afraid of not doing well in this course! Why do you suppose the study of chemistry is so intimidating for many students? What about having to take a chemistry course bothers you? Make a list of your concerns, and bring them to class (or discussion with your fellow students and your instructor.Golf balls are made up of rubber.What the properties of rubber to work properly.write an essay on its properties of 300 words and also give the source and reference from where you have collected the data.
- 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? 72. Why is it important to know the use of laboratory tools and equipment?Ms. Tan came to the laboratory for blood tests because her physician suspected renal disease. The tests ordered were serum BUN, creatinine, and electrolytes. The blood specimen was obtained and processed. When the laboratory scientist received the serum to perform the tests, he noticed that the serum had a reddish tinge. What factor/s could cause this to happen to a serum specimen? 2. Is the sample acceptable for use? Elaborate your answer 3. What are the advantages of using plasma compared to serum in chemical analyses?
- In a gravimetric determination of lead content in brass, there is a constant loss by solubility of 1.55 mg of lead. A sample contains 7.86% by mass lead, and a 0.3514-g sample is used for the analytical determination using the gravimetric method. Calculate the % relative error. *Watch the units. **Provide your answer to two decimal places and without units. Avoid using scientific notation.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…The diagram shows the setup of an experiment. A few observations of the experiment are listed in the table below the diagram. Experimental Observations Observation Description 1 Color of solution turned blue 2 Shiny hair like crystals deposited on the copper strip Which of the following is the correct explanation for one of the given observations? Observation 1 is a result of silver ions moving into the solution. Observation 2 is a result of nitrate ions moving into the solution. Observation 1 is a result of silver ions changing their oxidation state. or Observation 2 is a result of silver ions changing their oxidation state.
