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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- 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 11/3/2cont irmation True or false: The purpose of the internal standard is to make quantitation of the analyte insensitive to injection errors
- What 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).M 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,…How 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).
- 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 OWhat 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).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.
- 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!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!