If the mole fraction of water in NaCl aqueous solution is 0.75, calculate the molality of NaCl in solution. *

Q: Which of the following energy diagrams represents the slowest reaction? reaction coordinate reacion ...

A: The reaction which has highest activation energy, is the slowest reaction.  

Q: A 15% milk solution is prepared by dissolving g of milk in 0.5L of water.

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Q: Calculate the concentration of the AgNo3, the concentration of NaCl in the sample solution and the p...

A: weight of NaCl used = 0.0884 g Molecular weight of NaCl = 58.5 g/mol Volume of NaCl solution = 100 m...

Q: Calculate the needed reagents in preparing 250 ml of 0.200 M kH2PO4-kH2PO4 buffer with pH of 7.40.

A: We have to prepare a buffer solution of 250 ml of 0.200 M KH2PO4 - K2HPO4 buffer with pH of 7.40.

Q: 4. Lithium dihydrogen phosphate 5. Magnesium phosphate 6. Manganese (IV) oxide

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Q: In an experiment, 1.000 mol H2 and 1.000 mol l2 are mixed in a 1.00-L container, and the reaction fo...

A: Equilibrium constant can be defined as  number that represents the relationship between the amounts ...

Q: What is the best choice of reagent(s) to perform the following transformation? ÓH a. H20, H2SO4 b. H...

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Q: (ii) Describe the key molecular structure features of the pharmacologically active 2- oxazolidinone ...

A: Oxazolidinones are antibiotic and it inhibits bacterial protein synthesis. And it is effective again...

Q: I need help on writing all of the  Materials used in the expirment  Experiment 8 Preparation of Cy...

A: We have to tell the names of the materials used in the experiment of preparation of cyclohexanone by...

Q: Time Poential 200 Tere 1a700 mn minl 1000000 2 0.007700 3 0.015400 0.023100 0.030800 60.038500 7 0.0...

A: Peak 3 is corresponding to acetic acid. Peak 2 is corresponding to ether group. Peak 1 is correspond...

Q: 8) Why are some elements, such as Zn or Si, greatly enriched in deep waters of the North Pacific rel...

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Q: ctivity 2. Solving Percent Yield Problem struction: Show your complete solutions legibly in a one (1...

A: Mass of AgNO3 = 0.500 g 

Q: compound of thallium and iodine crystallizes in a simple cubic array of iodide ions with thallium io...

A: A compound of thallium and iodine crystallizes in a simple cubic array of iodide ions with thallium ...

Q: PRECIPITATION and KSp 3. What concentration of F is necessary to start the precipitation of SrF, fro...

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Q: 7. la) Use Woodward-Feiser rules to calculate the Amax of compound (1} and (II) : (I} (II}

A: This question is based upon UV Spectroscopy. And we have to calculate the lemda max using Woodward F...

Q: The reaction NO2(g) + NO(g) = N20(g) + O2(g) reached equilibrium at a certain high temperature. Orig...

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Q: What is the pH of a 0.0338 M nitric acid, HNO3, solution?

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Q: Given the following reactions: 3C = D K= 8.33 x 104 D= 3A + 3B K= 5.33 x 102 Calculate the value of ...

A: Answer: Equilibrium constant is the ratio of active masses of products and active masses of reactant...

Q: According to the following reaction, how many grams of phosphoric acid are required for the complete...

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly repos...

Q: 3. Quinine, C2,H,N,O,(aq), is responsible for saving thousands of lives during the construction of t...

A: Please find the below attachments.

Q: The pH of an aqueous solution of 0.555 M methylamine (a weak base with the formula CH3NH2) is .

A: Here we have to determine the pH of 0.555M aqueous solution of CH3NH2 ,Kb (CH3NH2) = 4.47×10^-4 .  

Q: A) Alkane B Alkene c) Aromatic Hydrocarbon (D Alkyne

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Q: Which base listed below would be the best to creat a buffer having a pH of 8.0679? methylamine, Kb ...

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Q: Complete the table below. Be sure each of your answer entries has the correct number of significant ...

A: We know that, a conjugate acid is formed when a proton is added to a base, and a conjugate base is f...

Q: In the titration of 145.0 mL of 0.4000 M HONH, with 0.2000 M HBr, how many mL of HBr are required to...

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Q: Name Compound Formula & charge & charge ammonium acetate "sodium bicarbonate aluminum-perchlorate po...

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Q: At 25 °C, the reaction 2NH3(g) 2 N2(g) + 3H2(g) nas K = 2.3 x 10-9. f 0.063 mol NH3 is placed in a 1...

A: Given Data: Moles of NH3 = 0.063 mol Volume = 1.98 L So, [NH3] = moles/volume  = 0.063 mol/1.98 L = ...

Q: The Keg for the reaction: A + А+В +} АB is 41 What is the Keg for AB + A + B ? В ?

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Q: which one has higher buffer capacity o.1 M C6 H8O7 , 0.01 M Na3C6 H5 O7 or 0.01M C6 H8O7, 0.01 0.01 ...

A: Buffer capacity refers to the amount of acid or base that the buffer can neutralize before the pH ch...

Q: 9) What would be the multiplicity of the protons shown in red in this molecule? You may disregard an...

A: NMR spectroscopy is one of the most important tool in structural elucidation of organic compounds. B...

Q: NHx) + H;0n * NH ) OH + heat a. Ammonium chloride is added to the reaction b. Sodium hydroxide is ad...

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on ...

Q: Question 1 Which of the following is the strongest acid? a. CH3CH3 b. CH3NH2 c. CH3OH d. CH3F a O b ...

A: Ans. Option c. CH3OH

Q: A 0.15 M weak acid solution is 5.5 % ionized. Calculate the H3O* ion concentration in the solutic O ...

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Q: Which of the following statements is/are true? (Select all that apply) OThe higher the concentration...

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Q: what will be in the question marked box. give answer and also give clear handwritten reaction.

A: Aniline contains a ring activator and ortho-para director NH2 group. When aniline reacts with acetyl...

Q: Draw the structural formula for the product formed when propanal reacts with CH,CH –RCHsla

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly repos...

Q: For items 1-3, refer to the equation: CH4(9) + 202(9) → 2H2O1) + CO2(9), with AH equal to -809.94 kJ...

A: 1) , 2) , 3)  Given :-  The given reaction is CH4(g) + 2O2(g) → 2H2O(l) + CO2(g) ΔH = -809.94 kJ/mol...

Q: MASS PERCENT Complete the table: Mass Solute Mass Solvent Mass Solution Mass Percent 15.5 g 238.1 g ...

A:

Q: References to access important values if needed for this question. In the laboratory, a student dilu...

A: Please find your solution below : Molarity of a solution is the measure of its concentration. It is ...

Q: Examine the structure of this Fischer projection of D-gulose. CHO H- OH HO- -H- H- Но OH CH2OH 5. Nu...

A: We are given the Fischer projection of D-gulose. 

Q: You are given 6 ml of a solution that contains silver, lead (II), and copper (II) ions. The molarity...

A: The number of moles is calculated as the product of molarity and volume of each species present. The...

Q: At a certain temperature, K = 0.18 for the equilibrium PCI3(g) + Cl2(g) - PCI5(g) Suppose a reaction...

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Q: تان عص A- Write the Reaction of Xylenes by ا نره d@io} Oxidation كتبه تفاعل الرابلین بوطت B. I- Prep...

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Q: Calculate The Amax for The tollowing:

A: uv spectroscopy

Q: 7. What is pBa in terms of activity of Ba2+?

A: The formula for the activity of Ba2+ is aBa2+ = [Ba2+(aq)]eq * γBa2+  where [Ba2+(aq)]eq = equilibri...

Q: Imagine that you are given 0.2500 g of a sample of copper(II) sulfate pentahydrate (CuSO4 • 5 H2O). ...

A: The mass of copper(II) sulfate pentahydrate (CuSO4 • 5 H2O) sample is = 0.2500 g The mass of dehydra...

Q: Show the product of the following transformation. If no reaction write NR 2) PCC

A: Acetaldehyde undergo acid catalyzed hydration and produce a diol. The diol on reacting with PCC, pro...

Q: Is it possible to liquefy nitrogen at room temperature (about 25 °C)? Is it possible to liquefy sulf...

A: A gas can be converted to a liquid by lowering its temperature, increasing its pressure, or both. Th...

Q: A 0.5145-g sample of a water-soluble fertilizer was dissolved and analyzed for nitrogen using the Kj...

A: Given that :- Mass of water soluble fertilizer sample = 0.5145 g Distilled ammonia was collected in ...

Q: ACCURATE ERRONEOUS IMPOSSIBLE a) 4-ethylhex-2-en-6- yne b) 2-bromo-2- methylpentan-2-ol c) 4-bromo-1...

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