Q: Chemistry help asap!
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Q: Part
A: We will write the required mechanism
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A: There have been many disease or say pandemic before in the world too. And Ultimately vaccines were…
Q: Fill in the missing parts of the table below: pH POH [H3O*] [OH} 2.93 1.88 5.23 x 10-3 9.64 x 10 10…
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Q: A calibration curve of ZnCl2 conductivity (y-axis) vs concentration (mass percent, x-axis) is made.…
A: In the linear regression plot, the X-axis represents the mass percent of ZnCl2. The Y-axis…
Q: What are physical hazards of chemicals. Explain each of them shortly.
A: Based on the intrinsic property of the chemical the physical hazards are broadly classified into…
Q: D. 6 pts Br CH E. 6 pts
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Q: MnO4 + S203 2- => S406 2- + Mn 2+
A: Given MnO4- + S2O32-(aq) → S4O62- + Mn2+Balanced reaction is = To be determined
Q: (b) Which chemicals are listed as hazardous? O HCI O N2OH. O CH;CO,H O NaCH;CO2
A: Chemical is any substance that has a defined composition. Some chemicals found in nature such as…
Q: e) ВНз + H20 f) MgCl2 +
A: Write the balanced chemical reaction between a) HCL + NaOH b)CH3COOH + H2O
Q: mportance of forensic chemist
A: The process of applying scientific expertise in the field of chemistry to solve crimes is known as…
Q: els Part IV: Iron content ofan unknown well water sample 34 lowo Unknown Well Water Code Unknown…
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Q: Why are sharp knives more effective than dull knives ?
A: Sharp knives are more effective than dull knives because
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A: CUTTING OF GLASS TUBE AND GLASS ROD Material Required• Soda-glass tube: 15 cm long• Soda-glass rod:…
Q: The data below apply to questions 13 - 18. A sample is believed to consist of Epsom Salt, MgSO47H2O.…
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Q: Calculate the mass and volume (mL) of 5.0 mmol triethylsilane Mw: 116.28 g/mol Density: 0.728 g/mL
A: Given :- moles of triethylsilane = 5.0 mmol Molecular weight = 116.28 g/mol Density= 0.728 g/mL…
Q: (vii) Addition of 51.00 mL of TI3*. (viii) Addition of 60.00 mL of T13*.
A: The question is based on potentiometric titrations. we have to calculate potential of the cell after…
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Q: If a field was sprayed with 2.5 x 104 g DDT per acre, how many years would it be for the…
A: Given the initial amount of DDT, No = 2.5*104 g Final amount after time "t", N = 50.0 g
Q: what is the importance of chemistry for medical students?
A: Chemistry- Branch of science which deals with the study of chemical properties of elements, their…
Q: Why chemistry is important in health care career.
A: In modern life, human beings are facing many serious illnesses and various types of new problems…
Q: 24) Order: Potassium Chloride 75meq p.o. daily Supply: potassium Chloride 15 meq per 10 mL 220 mL…
A: We have find out dosage in fl-oz.
Q: Name three types of systematic errors and give its brief description
A: Systematic errors are the ones that remain constant with sample size or may decrease or increase…
Q: You have new employees in your laboratory whom you should train on Safety in the laboratory. Discuss…
A: Discussion of safety rule is given below which is you should need to know.
Q: SN1, SN2, E1, or Ed NacN PMSO
A: In this question we have to tell the product of the reaction.
Q: Information about a Water Sampler
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Q: This is my 2nd attempt to receive help with this problem. The previous expert confused me by saying…
A: According to the VSEPR theory, the geometry of the molecule depends on the number of bond pairs and…
Q: Why is it important to know the use of laboratory tools and equipment?
A: Please find your solution below : It is important to know the use of laboratory tools and equipments…
Q: ZHN 1 eq Ac20 EtzN HO
A: Given compound is para amino phenol.Given reagent is acetic anhydride. Here acetylation reaction…
Q: 2- Make a comparison between brittle and ductile materials Brittle Materials Ductile materials
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Q: b. From the principles of Green Chemistry, design at least 2 procedures that you can practice or…
A: HAZARDOUS SUBSTANCES WHICH ARE HARMFUL FOR NATURE AND WELL BEING.
Q: 11. CH;OH, OH OH dry HCI CH3 OCH3 EFG GFE GFE EFG
A: The mechanism is as follows:
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Q: Explain the laboratory rules for waste disposal
A: Waste disposal, the collection, processing, and recycling or deposition of the waste materials of…
Q: 42.Primary Standard reagent used in standardization of 0.1N sodium hydroxide a. Sulfamic acid c.…
A: A primary standard is a solution that itself do not need any calibration and is used for calibration…
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A: Consumer goods Consumer goods, often known as final goods, are items that are purchased by people or…
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Q: Give two examples of chemistry in your every day life
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Q: What is the importance of Laboratory Safety?
A: Laboratory Safety - It is always important to maintain safety in every aspect of life. As health is…
Q: H30* `NH3 i) type
A: The given reaction is represented as follows:
Q: A student combines the solutions below: Calculate the [H3O+] and [OH−] in the resulting solution.
A: Given solutions are: 0.80M HCl 1.2M NaOH 0.60 M HI. What are the [H3O+] and [OH-] in the resulting…
Q: Is it acceptable to recycle the containers of hazardous chemicals? Why or why not? Explain your…
A: Yes , it is acceptable to recycle the containers of hazardous chemicals. The residue within empty…
Q: Given the line notation: Where X2+ +e X+ Y* +3e Y Pr+ +4e → Pt E =0.5V E =-155V E = 1.20 V Calculate…
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Q: Cr2* (aq) + 2 e.→ Cr (s) E° = V Pd2* (aq) + 2 e- Pd (s) E° = V
A: 1) the standard reduction potential values for the following half cell reactions is:
Q: 4- Give any branch of chemistry that is widely studied?
A: Given: Branch of chemistry To find: Any branch of Chemistry that is widely studied. Solution:…
Q: NO2 AICI3, EtCI O2N
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Q: Identify basic procedures for dealing with laboratory accidents.
A: Given: Basic procedures for dealing with laboratory accidents.
Q: What is the importance of studying General Chemistry in life?
A: Chemistry is basically the study of matter and the interactions of matter with the surroundings.…
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- Here's the link https://www.youtube.com/watch?v=wY3ey4E-FRAA piece of an unknown weighing 12.50is placed in 49.7cm of water in a cylinder. The water level increases to 69.0cm3. whats the calculated value for the drnsity of the solid in g ml-1Was the gradual color change observed when the sodium thiosulfate (Na2S2O3) crystal was added to the aqueous solution of KI/12 in Station Cevidence of a chemical or physical change?
- What arc the advantages of microfabricated ISEs? Describe typical applications of this type of sensor.A chemical engineering student is studying the effect of pH on the corrosion of iron. Ellie following data are collected: Corrosion Rate (mm/year) ph 0.03 13.00 0.06 12.00 0.16 11.00 0.22 10.00 0.25 9.00 0.25 8.00 0.25 7.00 0.25 6.00 0.25 5.00 0.27 4.00 0.37 3.00 0.38 2.80 0.63 2.80 1.00 2.80 Plot corrosion rate vs. pH. (HINT: Label the x axis with decreasing pH.) (a) How would you describe the dependence of corrosion on pH? (b) When the pH goes below 3, bubbles appear in the solution. What change takes place in the reduction half-reaction at low pH? (c) How do you explain the shape of the curve at the lowest pH? (Based on a graph in the Kirk-Otbmer Encyclopedia of Chemical Technology, 4th ed., vol 7. New York: John Wiley & Sons, p. 559.)36 I. FilteringII. EvaporationIII. Magnet zoomIV. Dissolving in waterIn what order should the above processes be applied to separate a mixture of iron powder, naphthalene and table salt into its components? a) II, III, I, IV B) IV, I, III, II NS) IV, III, I, II D) III, IV, I, II TO) III, IV, II, I
- 1. Filters can solve all noise and data mismatch issues. True False 2. Which problem associated with the use of Clark oxygen electrode as transducer in the glucose electrochemical biosensor can produce false postives? formation of H2O2 sensitivity to interference of other molecules irregularity of potential consumption of oxygen in the electrochemical reactionSample: Commercial bleach Technical specifications:- Composition: sodium hypochlorite (NaClO) and demineralized water;- Active chlorine content: 2.00 to 2.50% (m/m);- Active ingredient: sodium hypochlorite (NaClO).- Approximate density: 1.08 g/ml;- Physical Aspect: Liquid;- Color: Colorless. Note: the active chlorine content refers to the chlorine gas produced from the following reaction:ClO¯ + Cl¯ + 2H+ ⇋ Cl₂(g) + H₂OData:M.A.: H = 1.0079 g/mol; Na = 22.989769 g/mol; S = 32.065 g/mol; I = 126.90447 g/mol; O = 15.9994 g/mol; Cl = 35.453 g/mol. Material available in the laboratory's warehouse: Reagents:Distilled water; standardized solution of sodium thiosulfate (Na₂S₂O₃), at a concentration of 0.0500 mols/L; 20% KI solution; glacial acetic acid and; starch gum (indicator). Glassware:Bechers of all sizes available on the market; 50, 100, 150, 200 and 250 ml Erlenmeyer flasks; 10.00 and 25.00 mL volumetric pipettes; 25.00 mL burette; 25.00, 50.00 and 100.0 mL volumetric flasks. Calculate…https://www.youtube.com/watch?v=2EQznGPZY5A
- Sagrm.m.The measured Eocell=+0.321 V. Using EoCr3+/Cr= -0.744 V, calculate Eo Cd2+/Cd in volts Cr (s)|Cr3+||Cd2+|Cd (s) Group of answer choices +1.07 +0.423 -0.403 -1.07 -0.423What constitutes a 'reference material', and why does its utilization play a criticalrole in the chemical analysis of food products? Provide examples.