Explain why aqueous permanganate must be freshly standardised before use in the experiment Determination of sodium percarbonate in a commercial detergent .
Q: How many mil of 6.00 M NaOH are needed to prepare 329ml of 0.155 MICH
A: Molarity of solution,Volume of solution needed V1 = ?Moalrity of solution,Volume of solution,
Q: Draw the structure of all products of the mechanism below. H₂C-C=C—C + H + :C1:
A:
Q: In 3-5 sentences explain the process of heat transfer
A: The process of heat transfer involves the movement of thermal energy from a region of higher…
Q: Which reagent(s) would transform propyl alcohol into propyl bromide? A. Concentrated HBr and heat.…
A: The alcohols (R-OH) can be converted into alkyl bromides (R-Br) via a substitution reaction during…
Q: Calculate the mass of vanadium(V) oxide V2O5 that contains a million 1.000 x 10^6 vanadium atoms.…
A: The objective is to determine the mass of the V2O5 .Given:number of atoms is Molar mass of V2O5 is…
Q: Calcium oxide and carbon dioxide react to form calcium carbonate, like this: CaO (s) + CO₂(g)…
A:
Q: A chemist is studying the following equilibirum, which has the given equilibrium cons N₂(g) +…
A:
Q: Three samples of three different gases are listed in the table below. All the samples contain…
A: The objective is to determine whether the gas is ideal or non-ideal.Given:Calculate the value of…
Q: Reactions run at higher temperatures are said to be under kinetic control. True False
A: The statement in question is referring to the concept of kinetic control in chemical reactions. This…
Q: Calculate the molar solubility, S, of Ag2 (CrO4) in a 0.574 M solution of K₂ (CrO4). Note that K₂…
A: Given : Concentration of K2CrO4 = 0.574 MSince K2CrO4 is completely soluble in water.Hence it will…
Q: 5. Predict the major product in the following reactions. MeO. CHO heat
A: Product of following reaction can be made by applying appropriate reaction mechanism.
Q: Choose both chair conformations for the following compound. Is the option correct? If you find the…
A: CompoundIts chiar conformations
Q: Write in the product of this reaction: H3C (CH)₂CuLi H₂O+
A: The objective of this question is to determine the product of the reaction between the organocopper…
Q: Complete the following reaction scheme. Part 1 of 3 Br KOC(CH3)3 Draw the structure for compound A.…
A: The alcohol gets elimination reaction to produce an alkene which further reacts with water,halogen…
Q: A solution is prepared by mixing 5.00 grams of sodium acetate (NaAc) with 15.0 mL of 1.45 M acetic…
A: Mass of sodium acetate (NaAc) = 5.00 gVolume of acetic acid = 15.0 mLMolarity of acetic acid (HAc) =…
Q: Question 1: The first step in the Maillard reaction is shown below. Draw the product(s) of this…
A: Organic compounds can be defined as compounds that contain carbon and hydrogen atoms. The carbon…
Q: A student was required to prepare 250.0 mL of a cyanoacetic acid/sodium cyanoacetate buffer in which…
A: Given,
Q: Please don't provide handwritten solution ....
A: • The correct option is (B) Explanation:Step 1: Step 2: Step 3: Step 4:
Q: A mixture of 50mL of 1.2M HF and 50mL of 0.6M NaOH. What is the pH of the mixture? (pka of HF =…
A: The objective of this question is to calculate the pH of a mixture of HF and NaOH. HF is a weak acid…
Q: Draw the major substitution products you would expect for the reaction shown below. If substitution…
A: We have to predict the correct product of the given transformation.
Q: The rate constant for this zero-order reaction is 0.0330 Ms¹ at 300 °C. A products How long (in…
A:
Q: For the reaction 203(g) --> 30₂(g), the following mechanism was proposed: step 1: 03(g) --> O₂(g) +…
A: Answer:Power of concentration term of a reactant in the rate law is the order of reaction with…
Q: Draw the structure of the ester formed when ethanoic acid CH3CO2H is treated with CH3OH in the…
A: Answer:-This question is answered by using the simple concept of chemical reactions of carboxylic…
Q: Please draw the appropriate reagent(s) required to accomplish for each of the indicated…
A: Note: Since you have posted a question with multiple sub-parts, we will solve the first three…
Q: Which of the following salts, each of which has a solubility product constant (Ksp) equal to 1.0…
A: The objective of the question is to identify which has the lowest molar solubility.
Q: 7. Which is the most stable chair conformer of the following compound? A. B. OH C. D.
A: In the most stable chair conformation blacky groups stay at equatorial position to avoid 1,3-diaxial…
Q: Draw the structure of all products of the mechanism below.
A: In an organic reaction mechanism, a curved arrow represents the transfer of electrons. In an organic…
Q: 4. When 0.050 mol of NaOH is added to 0.100 mol of an unknown weak acid, the pH was found to be 4.2.…
A: Given,moles of an unknown acid = 0.100 molmoles of NaOH = 0.050 molpH of the resulting solution =…
Q: 15.8 Predict the chemical shifts for the signals in the ¹H NMR spectrum of each of the following…
A:
Q: Fill in the name and empirical formula of each ionic compound that could be formed from the ions in…
A: Steps to find the empirical formula of an ionic compound :first write down the symbol of cation and…
Q: For the molecule SnS32 draw the Lewis dot structure. Include any formal charges that may be present,…
A: When central atom have no unshared electrons then electron geometry and molecular shape are same.…
Q: Br₂(g) + Cl₂(g) = 2 BrCl(g) Kp = 1.1 x 10 at 150 K A 203.0 L flask initially contains 1.055 kg of…
A: Given:Volume= 191 mL Mass of Br2 = 1.055 kg Mass of Cl2 = 1.124 kg To calculate:Mass of BrCl…
Q: Which fatty acid has the lowest melting temperature? O 20:2 49.12 O 20:0 O 18:0 O 20:1 412 18:249.12
A:
Q: chemical symbol, chemical formula or Lewis structure boiling point
A: Given in following question question some compound and it's Lewis strecture calculate the boiling…
Q: The pressure above a pure sample of solid Substance X at -84. °C is raised. At what pressure will…
A: The phase diagram represents the different phases of the substance and the pressure and temperature…
Q: Draw the missing organic structures or select the missing reagents in the following multistep…
A: Information about the question
Q: 2) au Fill in reactants, products or conditions needed to complete the following reactions. Br OH a)…
A: Product of following reaction can be made by applying appropriate reaction mechanism.
Q: CH3 Spell out the full name of the compound.
A:
Q: (S)-3-Chloro-1-pentene reacts with sodium ethoxide in ethanol to produce 3-ethoxy-1-pentene. The…
A: The objective of the question is to understand the mechanism and stereochemistry of the reaction of…
Q: NaOH (aq) +KHC8H4O4 =aq)NaKC8H4O4 (aq) + H2O (l) balnce
A: Since,A balanced reaction is those reaction in which all the atoms are present in equal…
Q: 6. Identify the diene and dienophile which would give the following pro H NO₂ Snotlar A) B) D) NO₂ +…
A:
Q: When a 22.7 mL sample of a 0.343 aqueous hypochlorous acid solution is titrated with a 0.385 M…
A: Given ,
Q: ▼ Part D NH₂ + NaOH Draw the molecule on the canvas by choosi including charges where needed. The…
A: information about the question
Q: EXPERIMENT 4 FORMULA OF AN INSOLUBLE SALT INTRODUCTION One of the postulates of John Dalton's atomic…
A: The objective of the question is to improve the lab write-up report by revising sections 2, 4, and 5…
Q: Write the IUPAC name of the compound shown. ОН
A: Rule of IUPAC-1) Longest chain as parent chain.2) Numbering start from those side where more prior…
Q: Use the References to access important values if needed for this question. An electric heater is…
A: To determine the final temperature of the graphite block after absorbing 41.2 J of energy from the…
Q: Predict the chemical formula for the ionic compound formed by the ions Balt and C2H3O2¯.
A:
Q: What is ppm absorptive with units of ppm-1 cm-1 [Fe(SCN)6]3- solution? How to determine it ?
A: What is ppm absorptivity with units of ppm-1 cm-1 of [Fe(SCN)6]3- solution?Ppm absorptivity, also…
Q: What volume, in liters, of carbon monoxide gas at 78.5 \deg C and 848 torr is needed to produce 5.80…
A: A stoichiometric reaction is a reaction where a relationship is established between the quantity of…
Q: which is most stable conformation int Et Me H H Me A. H iPr It H H 4tc. Et H CH₂ ils di Pr C H ile
A: Answer:-This question is answered by using the simple concept of stability of conformers of the…
Explain why aqueous permanganate must be freshly standardised before use in the experiment Determination of sodium percarbonate in a commercial detergent .
Step by step
Solved in 1 steps
- Purification of benzoic acid 1. What is the purpose of washing the crystal in the filter paper with water? 2. How recrystallization affects the theoretical yield of sample? Explain.Why should the purified compound at the well (Buchner funnel) not be washed with a larger amount of pure solvent?Propose an efficient separation and recovery scheme for a mixture of toluene, benzoic acid, andaniline. Consider that steam distillation is not an option.
- Why is methanol chosen as the solvent for recrystallization? What would happen if the student uses dichloromethane instead?Explain the function of using dichloromethane after the steam extraction of Eugenol. Also discuss if there are any differences and which ones in soxhlet extraction and steam drag.what would be the implications if the volume reduction is skipped in the recrystallization?
- In this experiment, 1.0 mL of saturated sodium chloride is used to rinse the Hickman head after the initial distillation. Why is saturated sodium chloride, rather than pure water, used for this procedure and the subsequent washing of the organic layer?Write a full Procedure of Recrystallization of p-Nitroaniline.Briefly explain the reasons for the use of the following techniques in this experiment. a. The hydrate salt is heated with the crucible cover in an ajar position rather than in a fully seated position or having the crucible completely uncovered. b. The crucible cover is fully seated during cooling and weighing of the residue.
- Why should a piece of filter paper inside the developing chamber be moistened with the developing solvent before the plate is developedpropose experimental design on the separation of components of the mixture of benzoic acid and benzaldehyde. Provide designed experiment and a schematic diagram of the step-by-step procedure.What makes ethyl acetate a suitable or unsuitable solvent? What concerns would you have if you were to run a column using hexanes as the solvent for the whole column? Come up with an appropriate solvent gradient to get the best separation of all three compounds