One QN not allowed. Replace not allowed with one that is allowed? a) n =3; l =3; ml = +2 b) n=2; l=1; ml = -2; c) n = 1; l=1; ml = 0

Q: A 1.00 L buffer solution is 0.200 mol L-1 in C6H5COOH and 0.250 mol L-1 in C6H5COOLI. The Ka for C6H...

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Q: QUESTION 5 Use the molar mass of iron (Fe) to determine how many moles of iron are in a sample of 10...

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A: When the half-cell represented by NiO2 (s) Ni(OH)2 (s) | OH- (aq) is functioning as an anode in a ce...

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Q: a) How many moles of ammonium bromide, NH,Br, would you need to add to a 100.0 mL solution of 0.250 ...

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Q: Use properties of the Brownian motion to show that WK-1+p)at – W&-1)at) (Wkat – Wa-1+p)at) 4 atvp(1 ...

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Q: 7. a) A solution was prepared by dissolving 0.02 moles ethanoic acid in water to give 1 L of solutio...

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Q: 9. Phosphorus reacts with oxygen gas to produce tetraphosphorus decoxide. 4 Po + 5 0g) P,O106) (s) I...

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Q: there are 275g of rubbing alcohol in 500.0g of solution. answer questions 2a and 2b using this info....

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Q: Compare acetanilide, which was in the recrystallization lab and acetaminophen (2) shown below. Which...

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Q: Sulfation roasting of 1 g of ZnS at elevated temperature. Suppose the final product weighs 1.2 grams...

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Q: How many moles of calcium fluoride (78.07 g/mol) will dissolve in 10.0 L of water at 25°C? Ksp of Ca...

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Q: The reaction between Pl3, PSCl3 and Zn powder gives P3ls as one of the products. The sołution state ...

A: This Question is based upon P31 NMR.

Q: follow to calculate the value of ΔH° for the reaction: 4 B  2 A + C + 2 F A + 2B   E       ΔH° =

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Q: A biogas-plant converts biomass into methane. From a certain substrate, 52% (w/w) methane can be obt...

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Q: Predict the products of the following reactions on dec-5-yne: (a) H2, Lindlar catalyst (b) 2 equiv B...

A: Lindlar catalyst convert alkyne into cis alkene.

Q: Consider the theoretical element Unquadnilium – 140, Uqn-140. With an atomic number of 140 Uqn  woul...

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Q: What is the molar solubility of zinc hydroxide in a buffer that has a pH of 7.00? (K sp (Zn(OH) 2) =...

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Q: Compounds A and B are soluble in water and ether as shown: Solvent Compound A Compound B Water 10 g...

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Q: #13  Mass percent of asprin in tablet

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Q: The decomposition of 3.87 g NaHCO3 yields 1.90 g Na2CO3. What is the percent yield of this reaction?...

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Q: Current Attempt in Progress If a system does 45 J of work and receives 28 J of heat, what is the val...

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

A: Solution:  Given complex : [ Cu(deen)2] (BF4)2 

Q: 46 - 50. CHa) * 02 ) C2.) + H2 Ou) +

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Q: Calculate Ar G For the following K as written. re action at 298 2 Agis) 2+ cag) The Standard reducti...

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Q: .. Explain why the all cis isomer of 4-t- butylcyclohexane-1,3-diol forms an acetal with acetone but...

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Q: C-CH-CH--a,

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Q: Estimate the average energy for valence electrons in a nitrogen N atom. Type your numeric answer and...

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Q: For the reaction 2NO(g) + O2(g) 2NO2(g) at 750°C, what is the relationship between Kc and Kp? A) Kc ...

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Q: If you will measure 90µL of liquid what pipette calibration should you use appropriately? A. 100µ...

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Q: Group Activity no. 3 Explore the concept of recycling plastics. Which among the polymers can be recy...

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Q: Which pair of compounds and type of chemical bonding is correct? a. Ra-Cl – Ionic Bonding b. Mn-Mg ...

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Q: Is the following compound aromatic, antiaromatic, or nonaromatic?

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Q: (a) Vanillic acid is a phenolic compound found in vanilla and many other plant extracts. It is a fla...

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Q: Complete the balanced chemical reaction for the following weak base with a strong acid. In this case...

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Q: What is the value of Ksp for Cr(OH)3 if the molar solubility for chromium (III) hydroxide was determ...

A: Ksp is the product of concentration of ions of sparingly soluble salt in water.

Q: Calculate the pH of a buffer containing 0.32 M HC2H2O2 and 0.14 M KC2H2O2. The Ką of M HC2H2O2 at 25...

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Q: copper complex crystallises straightaway when synthesising but the cobalt complex required the solut...

A: Recrystallisation is dependents on solubility of the complex.

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A: Q1  Answer  The salt lowers the temperature at which water freezes, so with salt ice will melt even ...

Q: 6. The percent ionization of 0.200M HOCI(aq) is 4.75%, determine the Ka of the acid.

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Q: Compute for the molarity (M), molality (m) and normality (N ) of the following solutions. a. 2.50 g...

A: Given,  Compute for the molarity (M), molality (m) and normality (N ) of the following solutions. If...

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.