A sample of an industrial waste water is analyzed and found to contain 48.5 ppb Co3+. How many grams of colbalt could be removed from 1.98103 kg of this waste water?

Q: 3. Draw the formula of papaverine hydrochloride, mark the tertiary nitrogen in its structure and…

A: In the structure of the mentioned compound one substituted benzene ring is present along with…

Q: Determine the pH at the point in the titration of 40.0 mL of 0.200 M H2NNH2 with 0.100 M HNO3 after…

A: To calculate pH , first we would draw BCA table.  For this first Calculate moles of both acid and…

Q: Which of the statements below apply to the following reaction: OH + HN Y- H. но NH H. N Y- NH H. +…

A: When acid is converted in to amide with loss of water molecule

Q: For the endothermic reaction: CaCO3 (s) → CaO (s) + CO2 (g) Le Châtelier's principle predicts that…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The acetic acid/acetate buffer system is a common buffer used in the laboratory. Write the…

A: Here we are required to  write the equilibrium reaction for the acetic /acetate buffer

Q: Which of the molecules below would you expect to be soluble in hexane (C6H14)? :O: A H3C. CH3 :NH2…

A: The molecules given are,

Q: Calculate the standard entropy change for the reaction at 25 °C. Standard molar entropy values can…

A: Given, MgCl2(s) + H2O(l) ⟶ MgO(s)+ 2HCl(g) Standard entropy (S°) MgCl2(s) = 89.62 J/mol.K H2O(l) =…

Q: 10.If you have a two component system, what are the three state variables that you need to typically…

A: A question based on phase rule that is to be accomplished.

Q: In a titration experiment, 25.0 ml of 0.0500M Sn was titrated with 0.10OM Fe in I M HCl to give Fe…

A: 25.0mL of 0.0500 M Sn2+ is titrated with 0.100 M Fe3+ in 1 M HCl to give Fe2+ and Sn4+.Fe3+ aq  +…

Q: In a study of the rearrangement of cyclopropane to propene at 500 °C (CH2)3 CH3CH=CH2 the…

A:

Q: 1. You have a glucose molecule that is radiolabeled at carbon 5. a). Indicate which carbon(s) in…

A: In glycolysis glucose converted to pyruvate via glycolysis.

Q: Identify the degree of substitution for the labeled carbons. Answer labels 1 to 10.

A:

Q: calculate the molarity (in mol/L) of a solution created by dissolving 0.40 g of sodium acetate…

A:

Q: The oxidation state of Cr in Cr,0;¯ is: Select an answer and submit. For keyboard navigation, use…

A:

Q: Calculate AHrxn for the following reaction: Cr2 O3 (s) + 3CO(g) → 2Cr(s) + 3CO2 (g) Use the…

A:

Q: principal quantum number n angular momentum quantum number / subshell 6d 5f 7s 2p

A: Angular quantum number is described shape of orbital.  It belongs to 0 to n-1

Q: What is the maximum amount of iron, in grams, that can be gotten out of 43.91 grams of Fe2O3? Enter…

A:

Q: PQ-2. What is the equivalent structure for this molecule using a bond-line formula? CH,CH3 CH3…

A: The condensed structure of the molecule given is,

Q: 1211 120 110- 100- 90- 1986,46cm-1, 92.30%T 1888.12cm-1, 86.12%T 523.69cgf-1. 89.49%T 2115.07cm-1,…

A: The above graph is a IR spectra graph. Ir spectra indicates types of vibrational mode that indicates…

Q: Provide the abbreviation of the following nucleotide. NH2 N. N N. "0-P-0-P-0- HT TH ÓH H d AGCTU MP…

A: This structure has 1). A sugar with 5 membered ring called the deoxyribose (in the middle) 2). A…

Q: Which of the following elements can be isolated by electrolysis of the aqueous salt shown?   A.…

A: To identify: The correct option stating the element that can be isolated by electrolysis of the…

Q: Q2- How mainy mls of Atropine sulphate present in lab. As a stock sol. Of 1: 20 conc. should be used…

A: 1:20 concentration indicate that 20 mL of stock solution contains 1 g of atropine sulphate.

Q: The titration curve attached was obtained from the titration of a 0.225 g sample of a solid acid…

A: From the titration curve, pH at the equivalence point is equal to 7.

Q: The neutron-induced fission of U-235 produces Ba-140 and Kr-93, along with 3 neutrons. Use the…

A: Given: neutron-induced fission of U-235 produces Ba-140 and Kr-93, along with 3 neutrons. And the…

Q: What is the purpose of the buffer salts?   The buffer salts serve to make water a better conductor…

A: To explain the purpose of the buffer salts.

Q: When 6.85 g of an unknown compound composed of the elements C, H, O and F was dissolved in 81.5 g of…

A: Molality of solution is given by number of moles of solute per kg of solvent.   Depression in…

Q: Which of the molecules below would most likely be least soluble in hexane (C&H14)? :0: :0: A B :O:…

A: The molecules given are,

Q: For each structure on the left, pick an identification on the right. Clear All NH2 (CH)-NH2 amino…

A: The compounds given are,

Q: |CH,CH,l,Cu-Li THF solvent [+] DIBAL-H, cold THF solvent

A: These two reactions are quite efficient to provide ketone and aldehyde from their corresponding acid…

Q: In the correct order, what are the three steps in the mechanism of an Aldol reaction? O Enolate…

A: Which one of the following is correct

Q: You have two objects that are made of materials that have the same chemical composition, but…

A: As each and every material is made up of small particles. The internal ordered arrangement of these…

Q: Compare the structural features of these two possible bonding arrangements for OSF4 and use this…

A: The structures given are,

Q: Vrite the mechanism of the following reaction? 1. NABH4 2. H20 OH

A: NaBH4 are reducing agent it convert aldehyde into alcohol

Q: Determine the order with respect to DER

A: The plot of the rate of reaction with the concentration of DER is given as,

Q: 6. How many different types of clectronic transitions for absorption by organic compounds? What are…

A:

Q: In a very abstract way, hexaphenylbenzene was synthesized by putting all the following reagents…

A: C

Q: What volume of 2.0 M sulphuric acid is needed to prepare 100 mL of 0.5 M sulphuric acid? Type only…

A: • The values provided in the question are:-        i) Initial concentration of a sulfuric acid…

Q: An aqueous solution of ferric hydroxide has a specific gravity of 1.25 and a weight fraction of…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: ALKYL HALIDES Sodium lodide in Acetone Reagent Compound Structural Formula Theoretical Result (Short…

A: test for halides

Q: 5. Draw a diastereomer for each of the following: a. CH3 d. HO но HC-CH CHH,C он CH, H- H- -CI CH,…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 1. At 373K, Kp =0.416 for the equillbrium 2NOBr(g) > 2NO(g) + Brz(g) If the pressures of NOBr(g) and…

A: Given: Kp = 0.416  at 373K  Pressure of NOBr and pressure of NO is equal  So find presure of ( PBr2…

Q: 2 Fe(s) → 2 Fe2*(aq) + 4 e 02(g) + 2 H20(t) + 4 e-4 OH (aq) Moisture Anode reaction Cathode reaction…

A: The rusting reactions given are,

Q: 1.OML 3.4ML furan maleic anhydride

A:

Q: Santalbic acid, a fatty acid isolated from the seeds of the sandalwood tree, is an unusual fatty…

A: Given,

Q: 10. From the following enthalpy changes, calculate the value of AH° for the reaction 2 C9) + H2 →…

A: Hess law states that overall enthalpy change of a reaction is equal to sum of enthalpy changes of…

Q: Some people have an allergic reaction to the food preservative sulfite (SO32−). Sulfite in wine was…

A: Given the excess I3-(aq) is back titrated with S2O32-(aq) according to the below-balanced equation:…

Q: Cr2O3 (s) + 3 H2S (g) → Cr2 S3 (s) + 3 H2O (1) Chromium(III) oxide reacts with hydrogen sulfide gas…

A: 1) Mass of Cr2O3=8 g , Molar mass = 152 g mol-1 Mass of  Cr2S3=?, Molar mass=200 g mol-1

Q: A drop of food coloring is added to water. With time, it spreads evenly through the water so that…

A: When a drop of food colouring material added with water then on increasing the time, the food…

Q: A reaction of 0.066 M of A is heated at 800°C for 2.21 hours. Calculate the half-life of the…

A:

Q: Which of the following reactions represents the most likely reaction of naproxen with water? a.)…

A: • Naproxen (C14H14O3) is the  anti-inflammatory agent in Aleve and Naprosyn