Explain/define and give examples for each chemistry terms: Digestion Gathering Particle growth Gravimetric analysis Peptization Precipitation Precipitant
Q: How can we calculate the percent error for each sample? And energy content in units based on mass…
A: 1) The percent error for each sample. 2) Energy content in units based on mass and temperature.
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Q: Why did this product not form?
A: Diels alder reaction is a 4 + 2 cycloaddition reaction between diene and dienophile.
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Q: Image 25 O CH,CH₂CH₂C6H₁ + H₂C=CHCH A) مت محمد Ph B) O Ph Ph N(CH3)3 heat Ph Ph & CH₂ D) سلام Phí…
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Q: Question 3 a) Sketch a graph of the variation in neutron number N with atomic number Z for elements…
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Q: 4. The [a] of pure quinine, an antimalarial drug, is -165°. a) Calculate the enantiomeric excess…
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Q: eks.com/alekscgi/x/isl.exe/1o_u-IgNslkasNW8D8A9PVVRBtwtnA0rW1-mzHJafQ1yvtaDSC5TeoB--IIKQ5az_7HgKeOLF…
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Q: Some measurements of the initial rate of a certain reaction are given in the table below. [H₂] [12]…
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Q: Most stable electron ion configuration for Magnesium?
A: Magnesium We need to write the Most stable electron ion configuration for Magnesium.
Q: What is the product of the following reaction? li 1 a. b. c. d. e. BH₂ 3 only 1 only 5 only 4 only 2…
A: It reduces aldehyde to primary alcohol
Q: a. b. c. d. 1 5 only 2 only 3 only 4 only 2 CI AICI 3 3 AICI3 ? 5 CI
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Q: As a technician in a large pharmaceutical research firm, you need to produce 450. mL of a potassium…
A: “Since you have posted multiple questions, we will provide the solution only to the first question…
Q: Provide the reagents necessary to complete the following synthesis. Upload the synthetic…
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Q: The D particle has quarks cs*, where c is a charm quark and s* is an antimatter strange quark. a. Is…
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Q: Other information: MM: Ba = 137.327 g/mol, S = 32.07 g/mol, O = 16 g/mol Mass of empty filter 0.2050…
A: Filter paper is used in laboratory to separate the residue and filtrate.
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A: Tungsten hexacarbonyl can be prepared by reacting WCl6 with triethylaluminium in the presence of…
Q: OH НО H
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Q: QUESTION 27 Which of the following variables in spectrophotometry are linearly related (directly…
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Q: 12) Assign the oxidation number to each element in each of the following. 1) 11) 15) 16) 8) 2) 7) 3)…
A: Answer:- This question is answered by using the simple concept of assigning the oxidation state of…
Q: Н Н Н нн H ро нн H Figure 4: Organic Bronsted acids нн 0
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Q: Which of these is not a possible product of the following reaction: O < B O U E OPP B E₁ Possible…
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Q: The molarity of NaOH (molar mass 39.997 g/mol) in a solution consisting of 8.158 g NaOH and a total…
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Q: Criteria for success All molecular drawings must be valid Lewis structures (octet rule, formal…
A: Torsional strain is known as the resistance to bond twisting in a certain type of chemical compound.
Q: Draw 2 isomers for C4H10
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A: When an alcoholic compound react with an haloalkane then the formation of ether takes place.
Q: Calculate the kinetic energy of a 0.16 kg baseball moving at a speed of 34.0 Round your answer to 2…
A: mass of the baseball (m) = 0.16 kg speed fo the baseball (v) = 34.0 m/s Kinetic energy of a baseball…
Q: Most stable electron ion configuration for Oxygen?
A: Most stable electron ion configuration for Oxygen?
Q: Structure (add letters for labels) Assignment Chemical Shift (ppm) (corresponds to label on…
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Q: A sailor circumnavigated the earth and covered 4,264,000 meters. Express this number in standard…
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Q: What is the [H3O+¹] of a solution with pH = 5.900 ? OA. 9.00 x 10-5 M OB. 1.26 x 10-6 M OC. 5.00 x…
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Q: Which one of the following best represents the predicted approximate chemical shift and coupling for…
A: we have to determine the chemical shift and the coupling of the indicates hydrogen(s)
Q: In Image 10 which of the following is the tetrahedral intermediate formed in the reaction of a…
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Q: CI. H CH3 ... H Compound 1 The compounds are 11 constitutional isomers identical not isomeric…
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Q: 9. Predict the product(s) of the reaction shown. OH OH + enantiomer A: 1 CN B: 11 ...OH + enantiomer…
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Q: CH3 1. BD3, THF 2. H₂O₂, NaOH(aq)
A: This reaction is an example of Hydroboration-oxidation reaction. In this reaction we get alcohols…
Explain/define and give examples for each chemistry terms:
- Digestion
- Gathering
- Particle growth
- Gravimetric analysis
- Peptization
- Precipitation
- Precipitant
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Solved in 3 steps with 2 images
- The process whereby chemical treatment is used to temporarily prevent decomposition is most completely defined as: Disinfection Restoration Public health measures PreservationThe air in a recently used classroom 9m x 7m x 9m tested 0.12% carbon dioxide. How many cubic meters of fresh air must be admitted per minute in order that 10 minutes later it shall contain not over 0.06% carbon dioxide. Fresh air contains 0.04% carbon dioxide. Assumeimmediate mixing of fresh with stale air. (A) 14 (B) 11 (C) 15 (D) 19 (E) 17In a sample digested with phosphoric acid, it was found that analysis of calcium reflects less sensitivity than when digestion is done with hydrochloric acid. Explain.
- II. b) What is the difference between liquid-liquid, solid-liquid and solid-phase extraction? Complete the table below and sort the following examples in the correct column: Steeping tea, washing an organic phase (workup), brewing beer, chemical desalting of crude oil, activated carbon sugar decolorization. liquid-liquid solid-liquid solid-phase Phase that contains analyte before extraction? Phase that contains analyte after extraction? Example(s)what is the concentration of the unknown sample using serial diluitions: 0.05M 1.7472nm, 0.025M 0.8569nm, 0.0125M 0.4167nm, 0.00625M 0.1958nm the epsilon value is 0.0101 and l is 1 cmWhy is strict implementation of LQMS (Laboratory Quality Management System) or GLP is necessary ? What are the elements ?
- IN QUALITATIVE ANALYSIS OF GROUP 3 CATIONS , COMPLETE THIS TABLE AND WRITE THE CHEMICAL REACTIONS FOR THE IONS THAT OCCURED. COMPLETE THIS TABLE: Group IIICations ConfirmatoryReagent Result/Observation SubstanceFormed InferenceContinued... 5. Answer ALL parts of this question The stability of chloramphenicol in eye drops is being studied at different temperatures and times. The concentration (in mg/L) of chloramphenicol at three different temperatures over time is provided below. Time (day) -18°C 25°C 40°C 25 28 23 7 27 20 20 30 20 21 20 180 23 25 19 (a) Using the data in the tables below assess and explain if the reaction time (after 1 hour of the start of the reaction) was an important factor affecting the yield of the reaction and provide the null hypothesis of the statistical test carried out. (b) The amount of chloramphenicol at -18 °C seems to vary with some values appearing to be higher than others. Explain what may be causing this variation AND suggest a methodology to identify if there was a systematic error in the measurement. ||Give a detailed description of how these both analytical separation protocol will be employed to recover river bodies from heavy metals and particulate matter. I. Centrifugation II. Chemical precipitation
- ...before addition of solvent - ▪ What are two methods of extraction A)liquid-liquid, Solid Phase Extraction B)solid-solid, Gas phase ▪ C)evaporation, derivatizationA certain drug has a half-Iife in the body of 2.5 h. What should the interval between doses be, if the concentration of drug in the body should not fall belc 40.% of its initial concentration? Round your answer to 2 significant digits.Opioid dependence is described in the Australian Medicines Handbook as a chronic, frequently relapsing illness. One approach to managing opioid dependence is opioid substitution therapy (opioid maintenance therapy). The figure below depicts concentration-response curves for two drugs used in the management of opioid dependence compared to heroin: 100 LEGEND 60 U 20 0 0.0001 0.001 0.01 0.1 1 10 [Drug] (Log Units) Question: From the drugs listed below, select the options that are most likely to be represented by the concentration-response curves for: Drug A: Drug B: Buprenorphine Naloxone Methadone Naltrexone % Maximal Response 100 Heroin Drug A Drug B
