. Enumerate the different types of hazards in the laboratory and give 1 example each. 2. In 3-5 sentences, explain the importance of wearing personal protective equipment.

Q: ОН N Ni2+ + 2 Ni + 2H+ ОН DMG FM 116.12 Bis(dimethylglyoximate)nickel(II) FM 288.91 FM 58.69 If the…

A: Amount of Ni present in the steel = (3/100) x 10 = 0.3 g Moles of Ni present = 0.3 / molar mass of…

Q: Explain how bacteria are being detected using an electrochemical sensor.

A:

Q: Table 1. Data for standard addition method Volume of Tablet Volume of standard Absorbance Final…

A: Given Data for standard addition method. Concentration of standard solution in 250 mL…

Q: help asap!! I need these 3 questions answered so I can pass this class!! thank you

A: The IUPAC stands for International Union of Pure and Applied Chemistry. The IUPAC nomenclature…

Q: Safety is the     responsibility of the TA only.     primary responsibility of everyone in the…

A: In the laboratory, Safety is the primary responsibility of everyone in the lab.

Q: Assignment: This is an individual activity. After studying the lesson and watching all the videos,…

A: 1.  a) Direct weighing means an objects is placed directly on balance and we take reading.…

Q: els Part IV: Iron content ofan unknown well water sample 34 lowo Unknown Well Water Code Unknown…

A:

Q: Suggest a best method of separating the given mixtures: answer with complete sentence and make an…

A: We have to separate 1.Iron fillings and sulfur powder 2.Sand & gravel

Q: Which compounds used in this lab are toxic in aquatic environments and should not be rinsed down the…

A: The toxic chemicals in the aquatic environment is

Q: PLEASE DO HELP ME.. NO NEED FOR EXPLANATION... THIS IS JUST A PRACTICE EXERCISE FOR OUR UPCOMING…

A: 1. At equilibrium concentration of each species i.e reactant and product becomes constant.  2. In an…

Q: Investigate the common disorders caused by unhealthy lifestyle and connect them to chemistry?…

A: Answer - Diabetes is cuased by  unhealthy lifestyle. Diabetes is a chronic (long-lasting) health…

Q: The labware we used in Quant Lab is divided into “qualitative” or “quantitative” analytical purpose.…

A: “Since you have posted a question with multiple sub-parts, we will solve first Five subparts for…

Q: Calculate the average and standard deviations for each solution (and solvent).

A:

Q: charting costs ($)- TTT TT 2. On the graph shown to the right: (a) Draw a star (*) on the abscissa.…

A:

Q: elp?

A:

Q: You determine the acetic acid (HOAc) content of vinegar by titrating with a sodium hydroxide…

A: Step by step Explanation- The average of molar concentration is calculated as shown below M(NaOH)=…

Q: 1.Explain the slogan about chemical safety " A spill, A slip, A hospital trip" 2.How do you apply…

A: A question based on chemical safety, which is to be accomplished.

Q: 1. Samples that should not be stored should be prepared/analyzed as soon as possible, especially for…

A: 1. Answer - The correct option is (c) Conductivity According to the question -  Samples that should…

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: 3. What should be worn in a laboratory at all times to decrease the likelihood of eye injury? What…

A: The safe practises to be followed in laboratory to decrease eye injury .

Q: Using M1V1=M2V2 Make 100ml of a solution that contains 0.5mM MgCl2, 15 mM CaCl2 and 120 mM KCl 0.5M…

A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…

Q: Background research information about the lab/lab topic. Use internet sites to research antacid…

A: There are many types of Hydroxides, carbonate, Trisilicates such as; 1) magnesium carbonate 2)…

Q: Table 4. Calculations for standardization of sodium hyroxide Trial 1 Trial 2 Trial 3 [1] Tared mass…

A: We have to find the molarity of NaOH using moles of KHP

Q: TRUE OR FALSE 1. Examples of personal protective equipment includes lab coats, long pants, closed…

A:

Q: Which PPE should the experimenter wear when performing the experiment in the lab? O Apron…

A: Usually an experimenter wear Apron in laboratory when performing the experiment in the laboratory…

Q: Pre-lab: Experiment 6 All Sections 1. Define the following terms: Surface tension Viscosity Freezing…

A:

Q: Please let me know which 2 answers are correct, an explanation including evidence

A: Picture models of a solid, a liquid and a gas.

Q: Number of Drops Added 0 10 20 30 40 50 60 70 80 90 100 EXPERIMEN DATA COLLECTION AND GRAPHING…

A: We are given data for the mass of water, soap water, and 1% NaCl solution for the number of drops…

Q: Make a mind map with 3 words max and with photos and videos for gr 11 chemistry unit 2

A: Chemical reactions involves the change of reactants to products. They are divided into five basic…

Q: A lab pair’s Beer’s Law calibration graph 0.08 < A < 0.79 had a best-fit line of A =  0.013 C –…

A:

Q: QUESTION 4 When we use detector tube and the measured concentration is 500 ppm, what is the range of…

A: Since you asked multiple questions so as per Q&amp;A guidelines of portal I solve first question…

Q: If the concentration of Cu 0.5-80 ppm What are the ranges for kg of Cu present per metric ton?

A:

Q: Place 10 drops of the solution to be analyzed, mix thoroughly and centrifuge. ordinary test tube…

A: A centrifuge is a device that uses centrifugal force to separate materials. It separates the…

Q: Ms. Tan came to the laboratory for blood tests because her physician suspected renal disease. The…

A: Answer 1 : Generally the serum lacks any red blood cells And it is pale yellow in color . But…

Q: A student determines the concentration of an unknown sample using two different methods. Each method…

A: Comparing the given data by creating a comparison table: Observations Method 1 Method 2…

Q: is not a graded question i just need help! Please

A: Chlorination of alkanes is carried out in the presence of sunlight. It occurs by a free radical…

Q: Which of the following is an example of good lab safety practices?     Handling chemicals without…

A: example of good lab safety practices: Placing a cap on all chemical containers when not in use.

Q: QUESTION 1 a) Discuss and develop your arguments on the pros and cons of reactive preventive, and…

A: Ans 1. (a) Reactive Maintenance is an approach for repairing equipment to normal operating…

Q: LIMIT TEST (IMPURITIES - BIOLOGICAL) Instructions: Note the color change of each of the samples by…

A: A question based on general chemistry that is to be accomplished.

Q: correct use and handling of lab equipment?

A: safety rules are very important while working in chemistry lab. safety rules are the procedure which…

Q: What is the difference between single use, limited use and reusable chemical protective garments?

A: Single use chemical protective garments : these are the garments which can be used only one time…

Q: After determining the absorbance of several standards of known concentration, the trendline for a…

A: The equation for a straight line is given by  y=mx+c where m is the slope and c is the y-intercept.…

Q: as a laboratory analyst how can you reduce your waiting time during filtration

A: Filtration  is done so as to avoid The unwanted  side products .

Q: Procedure it attached below, but question is in the screenshot.   Part A: Solution Preparation Work…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: TRUE OR FALSE __________ 9. Students should turn off cell phones, iPads, and other electronic…

A: 9. Students should turn off cell phones, iPads, and other electronic devices during the laboratory…

Q: Final Serum Diluted Test Tube No. Normal Initial New NSS Dilution (mL) Saline (NSS) Dilution (ID) |…

A: Concentration of the substance is a quantification of amount of solute present in a solution with…

Q: Create a list of 5-10 common chemicals or hazardous materials used in a kitchen/restaurant…

A: Some of the kitchen /restaurant chemicals usages are either for a food additive or cleaning items.…

Q: I'm stuck on this one. =( Using the Beer Law to calculate this solution. A standard solution has a…

A: Given the concentration of standard solution, C = 6 g/dL Absorbance of the standard solution, A =…

Q: alculate the concentration in ppm of Cd in a 2.00 mL sample which has been shown to contain 16.4 μg…

A: Solution stoichiometry involves the calculation of the concentration of solutions in the given…