From this chromatogram, which of the following compounds is the MOST polar?

Q: 26 Determine the molarity of an aqueous solution of summerinium (molar mass=146.35 g/mol) that has a…

A: Given-> Molar mass = 146.35 g/mole Concentration molality (c)= 0.914 M Density (d)= 0.986 g/ml =…

Q: 20. The normality of H2SO4 is equal to multiply its molarity. a. Half b. One с. Two d. Three e. Four

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Q: H- -CI H- -OH но но. ČH2OH ČH;OH CH,OH I II III A) I, II and III are diasteromers B) I and II are…

A: 18) enantiomers are the pair of compound that are non-superimposable mirror images to each other…

Q: 3. Consider the reaction between solid CaCO3 and aqueous HCl. The reaction will be sped up by an…

A: The mentioned reaction is as follows; CaCO3 + 2 HCl →  CaCl2 + H2O + CO2 We have to find which of…

Q: what is the pOH of 5.6 x 10^-4M HCI

A: Given that:  [HCl] = 5.6×10-4M HCl is strong acid.

Q: 2.00 L of sulfuric acid, H2 SO4 (ag), contains 0.70 mol of acid. Calculate the pH and the pOH of the…

A: Given, moles of H2SO4 = 0.70 mol Volume of the solution = 2.00 L pH of the solution = ? pOH of the…

Q: What is the percent ionization of 7.5x10-2 M HCN?  Ka =  4.0 x 10-10  for  HCN.

A: Given, Concentration of HCN (C) = 7.5 × 10-2 M Ka for HCN = 4.0 × 10-10 Percent ionization = ?

Q: The following are intermediate products in the stepwise synthesis of compound 1 from benzene. Give…

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Q: What are possible qualitative chemical tests that can be used in identifying aspirin in the product?…

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Q: explain how alkaline batteries generate electrical energy. explain how Lithium batteries generate…

A: In electrochemical batteries, electrical energy is generated through a particular set of chemical…

Q: The decomposition of HI at low temperature was studied by injecting 2.50 mol of HI into a 10.32-L…

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Q: Determine the enthalpy of reaction: 2NH3(g) + 2CH4(g) + 302(g) → 2HCN(g) + 6H₂O(l) Reactions…

A: We can calculate enthalpy of reaction by reversing reaction 1 and 2 and add equation 1,2,3 and 4…

Q: What is an evaporative-light scattering detector in chromatography?

A: An evaporative light scattering detector (ELSD) is a detector used in conjunction with…

Q: Question 15 An unknown student takes 25.0 ml sample of an unknown weak base solution with a an…

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Q: Consider the reaction between a 25.00 mL solution of 0.100 M HCI and 50.00 mL of 0.100 M NaOH.…

A: pH is greater than 7 is correct answer

Q: A UV light with a wavelength of 250. nm is shone on the silver surface. What is the incident energy…

A: Energy is inversely proportional to wavelength

Q: Spot the odd one out one gram of water O 760 mmHg Ofour degree Celsius Oone cubic meter of water

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Q: 47) Combination of two p-atomic orbitals give two molecular orbitals. Show the possible two…

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Q: Calculate the energy change resulting from the emission of 1.00 mole of photons at this 470 nm…

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Q: The following are intermediate products in the stepwise synthesis of compound 1 from benzene. Give…

A: The answer is as follows:

Q: IONS Mg +1 Na + O Ca + Cl Fe (III) + CI K+FI Al + P Mg +0 Cu (1) + O WORK FORMULA NAME

A: An ionic compound is formed by electrostatic attractive force between oppositely charged ions and…

Q: Which of the following hormones increases blood glucose levels? a. glucagon and epinephrine b.…

A: The hormones in the human body balances the blood glucose level.  They have very important role in…

Q: Part A Formamide, used in the manufacture of pharmaceuticals, dyes, and agricultural chemicals,…

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Q: What would be the equation for equilibrium constant for the following reaction? Pb(OH)4 (aq) +…

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Q: Which are true about the Meisenheimer complex? Select the correct response(s): It is positively…

A: A meisenheimer complex is negatively charged intermediate formed by attack of a nucleophile upon one…

Q: A chemist knows that the equilibrium constant is 0.0049 for the following reaction: . CO₂ (g) + H₂…

A:

Q: A student synthesized 3.214g of Ni(NH3),Cl2 from 4.023g of NiCl2•6H2O. He dissolved 0.81g of…

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Q: 9. Ammonium iodide dissociates reversibly to ammonia and hydrogen iodide at 400°C NH(s) _NHg) *…

A: Given , Kp = 0.215  Ammonium iodide dissociates reversibely to ammonia and Hydrogen iodide…

Q: Uranium-235 decays spontaneously by nucleon emission. a) Write a balanced equation to show the decay…

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Q: A gas has a volume of 42.3 mL at 24.0 °C. What is its volume at 102 °C? 33.5 mL 9.95 mL 180. mL 53.4…

A: The volume can be calculated using charle's law

Q: N2O4 is planar. Show that it possesses three planes of symmetry.

A: We would draw structure of N2O4 and show plane which pass symmetrically .

Q: NaOH (aq) Ni(NO3)2 (aq) complete ionic equation: net ionic equation:

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Q: Part A CH.(g) +45(g)-CS₂(g) + 2H₂S(g) If 35.8 g of CH₂ and 75.5 g of S react, how many grams of H₂S…

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Q: A student finds the average Keq to be 370. (a) Calculate the approximate [FeSCN²+]/[SCN¯] in Part 3…

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Q: What is the pH of a 0.712 M weak acid solution that has a Ka = 4.5 x 10-9?

A: Weak acids dissociate partially. So we have to calculate degree of dissociation first and then pH.

Q: What is the underlying principle used in chiral chromatography to separate components of an analyte?

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Q: 5. When a liquid cools below its freezing point before crystallization occurs, the liquid a. is an…

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Q: Give the balanced chemical equation of the following reaction. Al203 + Cr203

A: The balanced equation is given below

Q: 5) Show how you would carry out the following synthesis using inorganic or organic reagents…

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Q: A sample of argon has a volume of 155 mL at 1.00 atm. What is its volume at 1.50 atm? 118000 mL 51.5…

A: Boyle's law states that at constant temperature, pressure of gas is inversely proportional to volume…

Q: Arrange the steps of gravimetric analysis in chronological order

A: Gravimetric analysis is a quantitative method of the measurement of the substance on basis of their…

Q: Question 1 In the regeneration of ion exchange resin. Cacl, as a washing salt is flushed from the…

A: Question 1) false. Question 2) false.

Q: Use this data to answer the following questions. Write the rate law for this reaction. rate = k…

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Q: Chemistry below. Which Consider the two compounds would you expect to be more persistent in the…

A: Because of presence of phosphate group in second compound. It is more persist in the environment. If…

Q: QUESTION 14 Consider the reaction scheme below. Compound E PBr3 KMnO4/ H* + HCN Compound A Compound…

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Q: At what position, and on what ring, would you expect the following substance to undergo…

A: Please follow the discussion in ghe following step.

Q: help

A: According to the question, a cell was made up of two half cells: One made from fluorine gas and…

Q: Why does adding a salt solution cause soap to precipitate?

A: Sodium salt of higher carboxylic acid is known as soap and has general formula RCOO–Na+.

Q: (b) Suggest a reasonable biosynthesis for the naturally occurring alkaloid coniine (isolated from…

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Q: But-2-ene-1-thiol is a component of skunk spray. How would you synthesize this substance from…

A: Under acidic condition nucleophile attacks on greater substituted carbon of epoxide while under…