Module Code & Title: CHM9011M Chromatography and Sep Sciences Description of Assessment Task and Purpose: To prepare an SOP for the GC-MS Instrument
Q: description An element in Period 1 and Group 34. A nonmetal in Group 6A A noble gas with a higher…
A:
Q: Complete the following nucleophilic addition reactions: Part A __ CH3–CH2–CH2CH + CH CHOH H+
A: In the above reaction an aldehyde and alcohol is treated in the presence of H+ (acid). This will…
Q: SH NaH, (CH3)2CHCH₂CI DMSO Q
A: The general formula of thiophenol is C6H5SH. It has an acidic proton that can be abstracted by a…
Q: Compare the following: Acid 1: acetic acid, CH3COOH Acid 2: hydrogen sulfite ion, HSO3 Acid 3:…
A: A weak acid comprises an acid substance that does not entirely break down into the aqueous solution.…
Q: . Provide the product and an arrow pushing mechanism for the reaction shown below. MeOk then شد
A: Given is organic reaction.This is Aldol addition reaction.In this reaction aldehyde or ketone reacts…
Q: Consider the isomerization of cyclopropane to propene: The following data were obtained: Using the…
A: The relation between the rate constant of a reaction and temperature is given by the Arrhenius…
Q: Question 4: In the following E2 reaction, which hydrogen will preferentially be removed? Hd Hc Hb Hb…
A: In organic chemistry, one kind of elimination reaction is E2 elimination. To create a double bond,…
Q: 4. Provide a mechanism for the following reaction. H₂SO4, H₂O HgSO4 مد
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Q: led Use the References to access important values if needed for this question. Draw a structural…
A: Amide undergo acidic hydrolysis to form Carboxylic acid and amine.
Q: An alkene having the molecular formula C9H₁4 is treated sequentially with ozone (03) and zinc/acetic…
A: The treatment of alkene compounds with O3 and zinc/acetic acid is known as an ozonolysis reaction.…
Q: What is the expected product of the reaction shown? НО OCH3 "!!! H3CO || ОН Н ||||| H3CO Ш…
A: Given is organic reaction.The given reactant is epoxide.The given reaction is epoxide ring opening…
Q: Using the data table and rate law given below, what is the value of the rate constant, k. Rate =…
A: Kinetic study of any reaction helps in the prediction of rate or speed of the reaction with which…
Q: 4B2 Write the possible reactants that gave the following products in the Diels-Alder reaction -H OEt
A: Diels alder reaction is the reaction between diene and dienophile to form unsaturated six-membered…
Q: Predict the products of the following biochemical reaction: CH2−O−C—(CH2)6 — CH3 CH-O-C O (CH₂)6 -…
A: Triglycerides (fat) must be broken down by hydrolysis into their two components fatty acids and…
Q: There are three sets of sketches below, showing the same pure molecular compound (ammonia, molecular…
A: 2Matter generally exists in three states.These are solid, liquid and gas.The melting point is the…
Q: Draw both resonance structures of the most stable carbocation intermediate in the reaction shown. +…
A: The given reaction is shown below.We have to draw the most stable carbocation intermediates of the…
Q: 9. For the following compounds write Lewis dot structures and predict the molecular geometry using…
A: The objective of the question is to draw the Lewis stcrutures, predict the molecular geometry and…
Q: balanced chemical equation: 2KOH + H₂SO4 - K₂SO4 + 2H₂O 0.750 L of 0.450 M H₂SO4 is mixed with 0.700…
A: Answer:When acid and base solutions are mixed then highly irreversible acid-base reaction takes…
Q: The solubility of magnesium hydroxide, Mg(OH)₂, in water is 9.0x 10g/100 mL. What volume of 6.50x10…
A: The solubility of magnesium hydroxide in water = The concentration of the solution = The volume of…
Q: Draw the two chair conformations of β-D-galactopyranose and Determine which is the most stable..
A: Given compound is beta-D-galactose.Pyranose is six member cyclic structure of carbohydrate and beta…
Q: 8. OH HCI (excess) H₂SO4 A ibni Part IV. Predict the product X. Draw the complete, detailed…
A: Mechanism and the final product shown in the below
Q: 1) NaNH, 2) CH3CH₂Br
A: We have given the organic reaction and we have to find out product of the reaction.
Q: 9B Explain why the products of the following reactions are incorrect while giving the correct ones.…
A: An arrow always depicts from a region of high electron density to low electron density ; that is…
Q: The enthalpy change for the following equation is -53 KJ. The enthalpy of formation A Hfj in KJ/mol…
A: To find the enthalpy of formation () for the given reaction, you can use the following equation:In…
Q: Predict the major product of the following dehydration reaction. There is a scheme of a reaction. A…
A: A chemical reaction is a chemical change in which one or more reactants (starting substances) turn…
Q: (a) Select all of the correct statements about the relative acid strengths of pairs of acids from…
A: Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons in…
Q: Draw structures of the two products between Kot-Bu and 2-bromo-2-methylbutane
A: In organic chemistry, a reaction can occur in several pathways.Elimination is one of the…
Q: fill in the blank draw products
A: In the given reaction we have to predict the product.The reactant is p-bromotoluene and it reacts…
Q: Write the half-reactions as they occur at each electrode and the net cell reaction for this…
A: In a redox reaction, both oxidation and reduction reactions occur simultaneously. It oxidizes one…
Q: Consider the elementary reaction equation K(g) + HCl(g) KCI(g) + H(g) What is the order with respect…
A: The given elementary reaction is recorded as followsK(g) + HCl(g) ⟶ KCl (g) + H(g)
Q: write a balanced equation for the following reaction combustion of propane in excess ocygen what…
A: The combustion in the presence of oxygen gas will give carbon dioxide and water as the products. The…
Q: Calculate the cell potential for the reaction as written at 25.00 °C, given that [Cr²+] : the…
A: Given data : Cr(s) + Fe2+ (aq) ==> Cr2+(aq) + Fe(s) From table : E(Fe2+/Fe) = -0.44 V E(Cr2+/Cr)…
Q: Draw the product of the reaction shown below. Ignore inorganic byproducts. 12 SH NaOH Q
A: In the above reaction thiol is treated with I2 in the presence of strong base. This reaction lead…
Q: Explain how a saturated solution represents an equilibrium between the solution and any undissolved…
A: Saturated solution:A solution is called saturated solution when no more solute can be…
Q: Give the major organic product(s) of the following. Include stereochemistry when applicable. b) 6 d)…
A: Given are organic reactions. Reaction a has alkene reactant, reactions b and c have alkyl bromide…
Q: What are the signs of the anode and cathode in a voltaic cell? In an electrolytic cell?
A: The sign of the electrode depends on the direction of flow of electrons in a cell.The electrode from…
Q: 2. Halogenated derivatives of toluene will undergo hydrolysis via an SN1 process, aka solvolysis…
A: SN1 substitution reactions are reactions in which the leaving group is replaced by a nucleophile.…
Q: . a 0.988-mole sample of argon expands from 25.0 L to 35.0 L at a constant temperature of 350 K.…
A: Given- no. of moles=0.988 moleV1 =25 LV2 = 35 LT = 350 KTo find- gibbs free energy for given…
Q: 1. For each of the following SN2 reactions, draw the products using the correct wedge-dash formalism…
A: Given are Sn2 reactions. SN2 stands for bimolecular nucleophilic substitution reaction. It is single…
Q: Predict the major product for the following reaction: O CH₂ NH₂ -N [H+] (-H₂O) Modify the given copy…
A: Ketone reacts with amine in acidic medium to produce imine as the product.
Q: 4.62. Like the entropy of mixing, a Gibbs energy of mixing for gases can be derived: no of gases…
A: we have to derive the equation
Q: Give the IUPAC name for the following molecule. Ph
A: IUPAC nomenclature is used for the systematic naming of organic molecules.According to IUPAC…
Q: c) CI imiting reagent and calculate the perce OH
A: The question is based on the concept of organic synthesis.We need to synthesize the product using…
Q: 4) In a two-step reaction of [PtCl4]2 with NO₂ followed by NH3, what will be the disposition of the…
A:
Q: e) PH DOCI 2) N₂H₂ Number of total valence electrons: (show work for calculation) Number of total…
A: A Lewis structure is a simplified representation of how the valence electrons are arranged in…
Q: Calculate the pH of a saturated solution of Mg(OH)2, Ksp = 5.61×10-¹³. Selected answer will be…
A: pOH = - log[OH-] pH + pOH = 14
Q: Examine the following information below for a electolytic cell and answer the following questions:…
A: An electrolytic cell is a type of electrochemical cell where an electrical current is used to drive…
Q: Provide the IUPAC name for the following compound:
A: The IUPAC nomenclature of organic chemistry is a method for naming organic compounds.
Q: Problem 7 of 50 o Draw the products of the four step reaction sequence shown below. Ignore inorganic…
A: Benzene undergoes acylation when treated with acyl chloride in presence of Lewis acid.Wolf-Kishner…
Q: Fill in the Blanks Type your answers in all of the blanks and submit X, Xº 22- COOH (=O CH₂ CH₂ COOH…
A: Given compound is formed during TCA cycle i.e. tricarboxylic acid cycle.This cycle also known as…
No need guideline answer if u provide guideline answer I will dislike ok
Module Code & Title: CHM9011M Chromatography and Sep Sciences
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Description of Assessment Task and Purpose: To prepare an SOP for the GC-MS Instrument |
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- cont irmation True or false: The purpose of the internal standard is to make quantitation of the analyte insensitive to injection errorsWhat is the role of specific visualizing agents in a Thin layer Chromatography? Please shortly answer at your own words. Answer should be to the point (4-5 lines).Module Code & Title: CHM9011M Chromatography and Sep Sciences Section 1: Purpose Clarity of Purpose ): Clearly states the purpose of the SOP. Relevance to Task : Demonstrates the importance and relevance of the procedure. Alignment with Goals ): Shows how the procedure aligns with organisational goals.
- FindTap-Cengage Leaming x b Answered: Determine the pH dur x + tatic/nb/ui/evo/index.html?deploymentid=55750823468596024212874980&elSBN=9781305657571&snapshotid=3054066&id=155276463... ✰ Back Submit Answer Use the References to access important values if needed for this question. Calculate the pH of an aqueous solution that contains 0.453 M sodium hydrogen phosphate and 0.337 M sodium dihydrogen phosphate. Calculate pH of Buffer. ICE Method: This is group attempt 1 of 5 References P W pH = Autosaved at 10:37 PM DE Regenerate Group (40) Next 10:37 11/3/2M Gmail T (19) Hira Khan Got Emotion X ALEKS - Rafia Riaz - Knowle X G A small part of a crystal latti X C A small part of a crystal latti X www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lvdw7xgLCkqMfg8yaFKbD9GafJstkYLIJnusw-UPvlc49wZ0Y-C-Aa6JgU79qspYVPxe6nZcLGhglo61yWvnvbFEk1B_vMo?10Bw7QY... ☆ YouTube Maps Translate Module Knowledge Check News Acetic acid and water react to form hydronium cation and acetate anion, like this: HCH,CO,(aq)+H,O() → H_O* (aq)+CH,CO,(aq) What is the rate of the forward reaction before any HCH3CO2 has been removed from the flask? What is the rate of the forward reaction just after the HCH3CO₂ has been removed from the flask? What is the rate of the forward reaction when the system has again reached equilibrium? I Don't Know How much less HCH3CO₂ is in the flask when the system has again reached equilibrium? Type here to search Imagine 86. mmol of HCH3CO₂ are removed from a flask containing a mixture of HCH₂CO₂, H₂O, H₂O¹ and CH3CO₂ at equilibrium,…What are the disadvantages of uses the Thick layer stationary phase in Thin layer Chromatography (TLC)? Please shortly answer at your own words. Answer should be to the point ( specific 4-5 lines).
- The figure below shows a portion of a GC chromatogram for a mixture of two aromatic compounds labeled A and B. The separation employed a 2.50 meter packed column under isothermal conditions (90 °C) and a flow rate of 10 mL/min. (a) Detector Signal 300.0 250.0 200.0 150.0 100.0 50.0 0.0 1.0 1.1 Unretained 1.2 1.5 time (min) Find the retention times for A and B. 1.7 OHow can you use ion exchange Chromatography to de-ionize water? Please shortly answer at your own words. Answer should be to the point (specific 4-5 lines).A new method is proposed to simultaneously detectand separatefour foodadditives by reversed-phase liquid chromatography. The data were obtained using theliquid chromatographic column with a flow rate of 0.5 mL per min and with the followingparameters: Pore size 100 A Particle Size 3.5 Internal diameter 4.6 mm Length 150 mm The food additives found in the sample resulted in the following data: ( see image for table) a.Calculate the number of plates from each peak. b.Calculate the plate height for the column. c.Retention factor for each peak.
- The method of internal standard was used to analyze and measure the concentration of chemical X by GC A known mixture of compounds X and Y (internal standard) gave the following chromatographic results: Compound X Y a) 2.0 x 106 M b) 8.4 x 10-7 M c) 6.6 x 10-7 M Concentration (M) 6.3 x 10-8 2.0 x 10-7 d) 4.1 x 10-7 M e) 2.9 x 10-7 M Peak Area Then, an unknown was analyzed as follows. 3.0 mL of unknown X was treated with 0.100 mL of 1.6 x 10-5 MY and the mixture diluted to 10.0 mL final volume. Peak areas were 633 (for X) and 520 (for Y). What is the concentration of X in the unknown. (The original 3.00 sample?) 395 787(2) A CHEM 215 student performed 5 measurements of the wt% of SO4²- of a solid power sample. The results are 8.75%, 8.85%, 8.89%, 8.71%, 8.64%. The standard deviation is 0.10%. What is the confidence interval for this student's experiment at 95% confidence level. The t values for 95% confidence for degree of freedom from 1 to 5 are 12.71, 4.303, 3.182, 2.776, 2.571, respectively. Show your work!2 (1) When performing chemical measurements, replicate experiments are often needed. This is to mitigate (Systematic or Random) error. (2) A CHEM 215 student performed 5 measurements of the wt% of SO4²- of a solid power sample. The results are 8.75%, 8.85%, 8.89%, 8.71%, 8.64%. The standard deviation is 0.10%. What is the confidence interval for this student's experiment at 95% confidence level. The t values for 95% confidence for degree of freedom from 1 to 5 are 12.71, 4.303, 3.182, 2.776, 2.571, respectively. Show your work!