9. The following molecular tweezers bind 2,4,5,7-tetranitrofluorenone (TENF). The association constants for A, B, and Care 3.4 x 103, 7.0 x 10°, and 1.7 x 10² M-1, respectively. Explain this trend. Meo Meo Meo OMe OMe OMe O,N -NO2 NO, NO2 OMe OMe OMe TENF A. С.

Q: Calculate the pH of a solution containing 0.05mol/dm3 benzoic acid, C6H5COOH and 0.05mol/dm3 of…

A:

Q: Match the descriptions to one of the unknown compound from the list  MP: 101-106 oC Light brown…

A: Using the descriptions provided, the unknown compound has been predicted below.

Q: O) For a weak acid with a pKa of 5.5, at what pH would there be a 10-fold excess of the protonated…

A: Since you have asked multiple question, as per our company guidelines we are supposed to answer the…

Q: What is the Delta G for the reaction N2O4>2NO (kc= 0.144 at 298K and R=8.314) A)-4.80 Kj/mol B)…

A:

Q: The illustration below shows several oxygen-dissociation curves. Assume that curve 3 corresponds to…

A:

Q: How would the pKa values of carboxylicacids, alcohols, ammonium ions 1RNH32 + , phenol, and an…

A: The strength of a chemical substance acidity is determined by its pKa value.

Q: 1. On a hot summer day, when washing the isolated violet [Cu(deen)2](BF4)2 salt on the Buchner…

A: Solution:  Given complex : Cu( deen )2BF42   Since you have asked multiple questions, we will solve…

Q: If Kc = 0.042 for PCl31g2 + Cl21g2 ∆ PCl51g2 at 500 K,what is the value of Kp for this reaction at…

A: Since the relationship between Kp and Kc is given by  => Kp = Kc x (RT)Δn where R = gas constant…

Q: Propranolol binds to beta-adrenergic receptors with a Kj of 8.9 x 10-9M. What concentration of…

A:

Q: Calculate the Ksp of the following compounds, given their molar solubilities. (a) CoS, 6.31 × 10-11…

A:

Q: What is the solubility of Cr(OH)3 in g/l at pH 9.55? Ksp for Cr(OH)3 = 6.30 x 10-31?

A: From given  Initially we are calculating molar solubility from Ksp formula and then we convert to…

Q: Identify the driving force for the following reactions. I. MgCl2 + 2 KN03 → Mg(NO3)2 + 2 KCI II.…

A:

Q: What is the relative supersaturation of Ag2S04 if its concentration at a given instant is 0.0750 M…

A: The relative supersaturation of a slat is calculated using the following formula: RS =…

Q: Which one of the following substances is more likely to dissolve in CC14? O CH3CH2OH O H2O O NH3 O…

A: Given Solvent is CCl4 .

Q: 2. What is the solubility of aqueous Ag3PO4? What is the concentration of Ag+ ions in water…

A:

Q: Calculate the Ksp of the following compounds, given their molar solubilities. (a) CdS, 2.68 × 10-14…

A: Calculate Ksp of the given compound by using their Molar solubility---

Q: What is the pH of a 0.050 M solution of triethylamine with the Kp value of 5.3x 10-4?

A:

Q: The structure of the molecule below shows its structure where all of the ionizable/protonatable…

A: The -COOH and -NH3+ group of a peptide is deprotonated at pH greater than the pKa value. The…

Q: Which of the following are typical impurities  in active pharmaceutical ingredients? I.…

A: An impurity in pharmaceuticals is classified as any component that is not the entity defined as the…

Q: Write the equilibrium constant expression for the formation of thiocyanoiron (III) from iron (III)…

A: The formation reaction of thiocyanoiron (III) is given as, => Fe3+ (aq) + SCN- (aq)…

Q: .EI 13.33 Which of the following in each pair is likely to be more soluble in hexane, C6H14: (a)…

A: Hexane is non polar.  It has no significant dipole and hydrogen bonding.(a)CCl4 or CaCl2:CCl4 is a…

Q: Calculate the % of Cd(OH)4² among all the cadmium complexes below in a pH 13 solution saturated with…

A: Calculate the % of [Cd(OH)4]²- among all the cadmium complexes below in a pH 13 solution saturated…

Q: Preparation of cpper(1) chloride What color observed for the solution of Na2SO3 in water?  What…

A: The answer to the given questions are:

Q: What color observed for the solution of Na2SO3 in water?  What colour observed for solutions of…

A: We have to tell the colour of solution of Na2So3 and CuCl2,2H2O

Q: Determine AHnn for the generic reaction below. 3AB2 (9) • C28 ()-2CAB3 (aq) + AB (9)

A: Standard enthalpy of formation for a reaction is equal to the sum of enthalpy of formation of…

Q: 3-(N-Morpholino)-2-hydroxy-propanesulfonic acid (MOPSO) is a common buffer used in biology and…

A: b. Molar concentration of the added acid =0.015 mol500×10-3 L=0.03 mol/L

Q: Lab analysis indicates that a water sample contains 0.3 mM Ca2+, 10-3.5 atm pCO2, and [H+] = 10-7 M.…

A: The extent of a substance dissolved in a provided volume of a solvent is expressed as dissolution.…

Q: Calculate the Ksp of the following compounds, given their molar solubilities. (a) CuS, 7.33 × 10-19…

A:

Q: Complete reactions i. to iii. b) Provide a qualitative discussion regarding the thermodynamic…

A: Answer - According to the question - Given - i) [Mn(H2O)6]2+ + 3bpy → [Mn(bpy)3]2+ + 6H2Oii)…

Q: What is the approximate pka of pyridine? O 20 O 5 O 10 O 15

A: The pKa value is one method used to indicate the strength of an acid. pKa is the negative log of the…

Q: It is found that up to 0.0110 g of SrF₂ dissolves in 100 mL of aqueous solution at a certain…

A:

Q: 1. Many dyes and pigments are organic molecules which vary in their relative polarities. Look up and…

A: Answer 1: Introduction: Dyes are usually organic molecules which gives specific colors. They are…

Q: Calculate the Ksp of the following compounds, given their molar solubilities. (a) Cds, 2.68 × 10-14…

A: Calculation of solubility product (Ksp) of a compound from their molar solubilities

Q: a) Consider the following reaction: [M(H₂O)]³+ + 2 en → [M(en):]++ 6H₂O (M-a metal ion; en =…

A:

Q: N. H,N. H,N. CH HC Br Br Br Br A B. D

A:

Q: How many moles of Fe(OH)2 (Ksp = 1.82 x 10-15) will dissolve in 1.5 liter of water buffered at pH =…

A: Given that : Ksp for Fe(OH)2 = 1.82×10-15 We have to determine how many moles of this Fe(OH)2 will…

Q: Sodium borohydride (NABH4) is said to be a chemoselective reducing agent. Which of the following…

A:

Q: These are low energy electrons (-10-50 eV) generated from the collision between the incoming…

A: SEM is the analytical technique used for the surface analysis of samples.

Q: 5. The labels were mixed up on bottles of pentane, hexanal and heptan-1-ol. How could boiling point…

A: The three colour less liquid can be distinguish by the difference in the boiling point

Q: A solution of two diastereomers contains 88.6% of (3S,4S)-tert-butyl-3-amino-4-…

A:

Q: a)Calculate the ph of 0.565 M solution of ethylamine, and 0.322 M ethylammonium bromide. The base…

A:

Q: How would the equilibrium be affected in regards to the value of Qc or Kc for each of the following…

A:

Q: Determine the Ksp of J3(PO4)2 if its molar solubility in H2O is 7.78 x 10–10 M

A: Many ionic compounds are completely soluble. But in actual case, even insoluble compounds will…

Q: 21. Which pai r will likely not show fac/mer isomerism? 1. Potassium trichlorotrifluoroplatinate(IV)…

A:

Q: Which of the following compounds is quite soluble in water and would also liberate a gas when…

A: Sulfate, Chloride and Carbotate salts are  given. We have to identify the compound that is quite…

Q: What is the "AXE" description of the trichlorostannanide ( SnC1, (Sacı;). anion? AX E

A: AXE notation:

Q: Complete reactions i. to iii. b) Provide a qualitative discussion regarding the thermodynamic…

A:

Q: Write the dissociation of [Co(NH3)4CO3]NO3 and [Co(NH3)5Cl]Cl2  compounds in an aqueous medium.

A:

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.