A solution of sodium thiosulfate was standardized by dissolving 0.2450 g of KIO3 (214.00 g/mol) in water, adding a large excess of KI, and acidifying with HCl. The liberated I2 required 52.00 mL of the thiosulfate solution to decolorize the blue starch/iodine complex. Calculate the molarity of Na2S2O3

Q: When a sample of gas with a volume of 639.8 mL and a pressure of 0.986 atm was heated from 19.38 °C…

A:

Q: A gas is observed at the cathode and the pH also went up when a solution of KBr is electrolyzed.…

A: Given: At the cathode, gas is being formed. And the pH of the solution increased when a solution of…

Q: 7. Provide the product resulting from the following reaction. 1. II OCH2CH3 CH2CH3 pyridine 2.…

A:

Q: What is the mass percent (m/m) of NaCl in a solution made by dissolving 5.16 g of NaCl in 79.9 g of…

A: Since, you have multiple questions so I will solved first question for you please post separately…

Q: A biochemist completely digests a glycerophospholipid with a mixture of phospholipases A and D. HPLC…

A: A glycerophospholipid is a lipid where the Glyceral group is attached to a saturated fatty acid, an…

Q: For a particular reaction at 235.4 °C, AG = -307.62 kJ, and AS = 992.15 J/K. Calculate AG for this…

A:

Q: EDTA forms colored complexes with a variety of metal ions that may serve as the basis for a…

A: The data given is, Given: At a 732.0 nm, the absorbance = 0.453  And at 462.9 nm, the absorbance =…

Q: 3. 184 g of C2H5OH dissolved in 400 g of H2O

A: Given :  Mass of C2H5OH = 184 gm  Mass of H2O = 400 gm  Molality is defined as moles of solute…

Q: Three major contributing resonance structures are possible for Add missing charges and non-bonding…

A:

Q: QUESTION 1 You obtained the following raw data when setting up a Biuret standard curve: BSA (mg/ml)…

A: Given: absorbance of unknown sample = 0.284 To find: Set up a standard curve,  determine the protein…

Q: NOTE: This is a percentage yield question. This question relates to a lab that was done in class.…

A: Given that -  Mass of sodium carbonate, Na2CO3 = 2.00 g  Mass of Calcium Chloride, CaCl2 = 1.00 g…

Q: 10. A cell can be prepared from copper and tin. What is the E°cell for the cell that forms from the…

A:

Q: Which of the following bonds is the STRONGEST (NO) bond? (1) N=O (2) N=O (3) N-0 O 1 О з All have…

A:

Q: H.W) How much heat energy is needed to raise the temperature by 15°C of: (1)25 g water (µ=4.148 J/(g…

A:

Q: Question 14 In conductometric titration of 15.0 ml HCI solution with 0.100 M NAOH solution, the…

A:

Q: which p Main eondi on satisfy to give meaui fuf solution c Eigen funetion) must Detailed. puysical…

A:

Q: What is the total number of valence electrons in the following strcuture? H. ö: || c-H H H. O 22 O…

A: In this question we have to tell the total number of valence electrons in the given structure.

Q: 24. Provide the reagents necessary for the following transformation. OH ??? А. 1. SOCI2, pyridine 2.…

A:

Q: Question 9: Select all of the terms that could be used to describe sodium methoxide. (MORE than one…

A: Base is substance which is used to abstract hydrogen from reactant and generate nucleophile.

Q: what is the number of molecules of 3Na2SO4

A: Number of molecules in 3Na2SO4 = ?

Q: арply. to determine a suitable solvent system for recrystallization to monitor the progress of a…

A:

Q: Name the pre-requisite important to successfully isolate a protein with the help of the Immobilized…

A:

Q: The following information is given for antimony at 1atm: AHvap (1440.00°C) = 1.605 × 10° 1/g AHfus…

A: Answer: It is a three step process 1. Cooling of liquid antimony to its freezing point 2. Freezing…

Q: 1) 2 CH3MgBr 1) CH,MgBr Y Co,CH3 2) H20, HCI 2) Н,О, НCI

A: Given,

Q: interpret this graph and its microscopic view. (Calorimetry)

A:

Q: A 0.488 mol sample of liquid propanol (60.09 g/mol) is heated from 25.7°C to 329.2C. The boiling…

A:

Q: Question 4 of 23 > Monosaccharides Disaccharides Polysaccharides Answer Bank CH,OH CH OH HOCH2 OH…

A: Carbohydrates are optically active polyhydroxy aldehydes or ketones or such type of substances which…

Q: Stoichiometry Test 16. Determine the limiting and excess reactant in the equation below if you start…

A:

Q: 1. The color of Na;CO3 solution on adding Bromo cresol green indicator changes from to in absence…

A: Given,  Options are :

Q: What is the name of this functional group? R R O ester alkyne aldehyde ether O amide O alkane O…

A:

Q: 1) X HO 2) Y

A:

Q: To prepare a solution with a total weight of 50 g that contains phenophthalene at a percentage of…

A:

Q: NOTE: This is a percentage yield question. This question relates to a lab that was done in class.…

A:

Q: Question 12: Which of the following are uses of TLC? to determine purity of the product to determine…

A: TLC :- TLC is a chromatography technique called Thin-layer chromatography used in qualitative and…

Q: Br Ph3Sn O3 K AIBN then NaBH4 Identify compounds J and K. Draw a curved arrow mechanism that…

A:

Q: d. 200 mL of 5.00% (w/v) aqueous BaCl2 from a 0.300 M BaCl2 solution. e. 2.00 L of 0.500 M HCIO,…

A:

Q: What type of instrument is shown in the diagram? Reference cell Po 0. Amplifier Grid Source hv…

A: The light beam in single beam instruments passes through the sample without splitting, but the beam…

Q: The herbicide oxyfluorfen can be prepared by raction between a phenol and an aryl fluoride. Propose…

A:

Q: The pH factor is a measure of the acidity and alkalinity of water. A reading of 7.0 is neutral;…

A: Given data: 7.3, 7.4, 7.2, 7.0, 7.5, 7.4, 7.3, 7.3, 7.2, 7.1 n = 10 α = 0.05

Q: Can someone draw the mechanism for the pericyclic mechanism and explain the stereochemistry?

A: The given substrate is N-aryl aziridine which undergoes ring opening in the presence of heat and…

Q: Half a milliliter of concentrated HCI (6) with a density of 1.18 g/ml was taken and diluted to 2…

A: Given,  Volume of HCl in mL = V1 = 0.5 mL  Density of solution = 1.18 g/mL  This solution of HCl is…

Q: 10. Provide the product resulting from the following reaction. PB 3 HO, Br PB(2 11. Rank the…

A:

Q: Compare the rate of H2 (g) with that of N2 (g) under the same conditions. (MW of H = 1 and N = 14)

A: Graham's law of diffusion:    The rate of diffusion or effusion is inversely proportional to the…

Q: Formulate the acid-base reactions with ions, mark conjugate acid-base pairs of the reaction of…

A: Note- The product formed is ethyne and not ethene. Chemical formula of calcium carbide- CaC2…

Q: The change in Gibbs' free energy is also considered a measure of the additional work that a system…

A: Given statement is :  The change in Gibb's free energy is also considered a measure of the…

Q: B) In finite potential barrier, how far a particle penetrate in to the barrier? What is the effect…

A:

Q: 2. What is the solubility of lead (in pM) for solid Pb(OH)2 in a sample of water containing 2.4 x…

A:

Q: For the following reaction identify the acid, base, conjugate acid and conjugate base. NaOH H20 Na I…

A: A species which donate a proton (H+) is known as acid and a species which accept a proton (H+) is as…

Q: 2. According to the Brønsted-Lowry definition of acids and bases, indicate the conjugate acid and…

A: According to bronsted -lowry's acid-base concept acids are those which can donate H+ ions and bases…

Q: A. Calculate the molality, freezing point, and boiling point for each of the following water…

A:

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.