A solution of Toluene (C7H8) in 301 g of Cyclohexane (C6H12) has a boiling point of 90.30 °C. What quantity in moles of Toluene are present in the solution? (Cyclohexane Kb = 2.92 °C/m and the boiling point of Cyclohexane is 80.9 °C) ****please explain why we would use Cyclohexane Kb, when we are trying to find Toluene*****

Q: A chemist fills a reaction vessel with 6.82 atm nitrogen monoxide (NO) gas, 5.68 atm chlorine (C1₂)…

A: In this question we will calculate the reaction free energy ∆G for a given chemical reaction. The…

Q: Consider the following energy levels of a hypothetical atom: E4 −2.21×10−19 J E3 −7.51×10−19 J E2…

A: Energy levels of a hypothetical atom are :E4 = - 2.21 × 10-19 JE3 = - 7.51 × 10-19 JE2 = - 1.35 ×…

Q: 4. Which one of the following compounds would be soluble in 1.5 M aq. NaOH and in 1.5 M aq. NaHCO;…

A:

Q: Out of the following, which is incorrect? been pleed (2 lortrymond (b a) A buffer solution is one…

A: A buffer solution is a mixture of two solutions - a weak acid and its conjugate base. It has a…

Q: asap

A: Let us first calculate the value of pka of the acid.  pKa = -log(Ka)  Therefore, pKa1 =…

Q: Two possible Lewis structures for the cyanate ion are shown below, with formal charges (FC)…

A: All the related discussions have been done in the following step.

Q: 30. the atomic masses on the table below to calculate Am for the change 14 Si 2 7N. u ch is more…

A:

Q: Au+ + e- → Au                                        1.69 VO2+ + 2H+ + e- → VO2+ + H2O…

A:

Q: Calculate both the pH and pOH for each of the solutions with the following hydrogen ion or hydroxide…

A:

Q: 03 0₂ +0 02 +0 03 0 +03 202 a. What is the overall reaction. b. Identify any intermediates or…

A: Answer: Given reaction is the multistep reaction of thermal decomposition of ozone where ozone is…

Q: H₂N NH2 ОН 0 аван НО. ОН ОН

A:

Q: Methane is formed in landfills by the action of certain bacteria on buried organic matter. If a…

A: Given :-  Pressure = 754 torr Volume = 200. mL Temperature = 28.5°C  To calculate :-  Mass of…

Q: Give the mechanism and give the IUPAC name of given Streture ? 1. LDA 2. Br FO 1441168 (111) FO (ii)…

A: Note : LDA is a bulky base. Therefore it will remove a proton secondary carbon not from tertiary…

Q: For the reaction X + 5Y + 6Z --> 3A + 4B at a particular time, -∆[X]/∆t = 1.5x10-2 M/s. What is…

A:

Q: A patient suffers from a genetic defect in the E2 subunit of the pyruvate dehydrogenase (PDH)…

A: Most have delayed development of mental abilities and motor skills such as sitting and walking.…

Q: (a) Draw the main reaction product of the following reactions. N2 hv BuzSnH, hv hv (360 nm, MeCN)

A:

Q: . Determine the [H+] from the following pH or pOH values: a. pH = 3.3 b. pH = 7.69 c. pOH = 10.21 d.…

A:

Q: What is the calculated value of the cell potential at 298K for an electrochemical cell with the…

A: Given-> Pressure of H2 = 6.16 × 10-3 atm Concentration of H+ = 1.05 M Concentration of Cd2+ =…

Q: Determine the pH of a 0.741 M OH- solution at 25°C.

A: • The values provided in the question are:-     i) Hydroxide ion concentration of a solution, [OH-]…

Q: Chemistry what is the point group?

A:

Q: A 100.0 ml. solution containing 0.794 g of maleic acid (MW = 116.072 g/mol) is titrated with 0.228 M…

A: Given: Mass of maleic acid, H2M = 0.794 g. Volume of solution = 100.0 mL = 0.100 L Volume of KOH…

Q: Tube No. 1 2 3 4 5 Substance Glycerol Cottonseed c Olive oil Walnut lip Water

A: Fats are solid at Room Temperature  but fats are liquid at room temperature.

Q: What is true about this reaction? A CN is the reducing agent B CN is the oxidizing agent C An oxygen…

A:

Q: 3. Provide the Diels-Alder Product [4+2] xylenes 4. Provide the Dissolder Product (Exa or Ende [4+2]…

A:

Q: An experiment was conducted to determine the over-all order of the reaction: YOI → MIYA At the start…

A: Given: Run Initial concentration [YOI]o M Final concentration [YOI]o M Time (seconds) 1 5.142…

Q: Find K for the following reaction at at 25°C. E cell = -0.10 V Cd²+ (aq) + Fe(s) -----> Cd(s) + Fe²+…

A: We have to predict the K for the reaction.

Q: Is the production of uric acid wasteful?

A: (1) Yes, Uricothelic organisms tend to excrete uric acid waste in the form of a white paste or…

Q: 23) H Provide the structure of the major organic product in the reaction shown below. 1. 2…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: A) Determine if the following changes in oxidation state are reduction or oxidation How many Changes…

A: Oxidation is an increase in the oxidation state Reduction is an decrease in the oxidation state

Q: Which of the following processes yields a AS = - ? O2 NO(g) + O2(g) (11> 2 NO2(g) NaCIO3(s)---> Na…

A: If ∆ng for a reaction is + then ∆S for this reaction is also + If ∆ng for a reaction is - then ∆S…

Q: 3. When carbon disulfide, CS2, forms from its elements, heat is absorbed. How much heat would be…

A: Given : We have to calculate how much heat is required for given moles.

Q: With a high value of N/Z, an isotope will tend to decay through Positron Alpha Electron capture Beta

A:

Q: Which of the following processes shows a decrease in entropy of the system? Select one: O a. 2…

A:

Q: HO. orion °° Y

A:

Q: A chemistry graduate student is studying the rate of this reaction: 2H₂PO4 (aq) → P₂O, (aq) + 3H₂O…

A:

Q: Click in the answer box to activate the palette. Balance the following equation for the reaction in…

A: Given that, Fe2+ + MnO4- ----> Fe3+ + Mn2+ Balanced the reaction under acidic condition ?

Q: Show how the 0.362 in the Absorbance is calculated

A: A question based on absorption that is to be accomplished.

Q: Identify the change in phyical state that is a decrease in entropy.   water boiling   ice melting…

A: Entropy is the measurement of randomness of any substance , if randomness decreases entropy decrases…

Q: a. b. d. NH₂ ·승 20 OCH₂ Ike OCH 1. NaOCH3 2 H3O+ 1 LAIH 2 acad 1 LIAH 2 acid I LAIRI 2. acal 1. LAIH…

A:

Q: HBr 1.2 & 1.4-addition H₂SO4 180°C (a) products from ether cleavage (1) Na (2) C₂H5-Br (b) OH 2 HI…

A: Reaction 1 : 1-methylcyclohexenol on reactionwith H2SO4 produces 2-methylcyclohexadiene.  Reaction 2…

Q: Give the name of the reaction that does not achieve the theoretical limits with respect to free…

A:

Q: Consider the reaction of a 20.0 mL of 0.220 M C5H5NHCl (Ka = 5.9*10-6) with 12.0 mL of 0.215 M CsOH.…

A: Given: Concentration of C5H5NHCl = 0.220 M Volume of C5H5NHCl solution = 20.0 mL = 0.020 L…

Q: Question 3:, following transformations. Make sure to include any proton transfer that takes place as…

A: below mechanism is given

Q: Very different concentrations of Na+ ions exist in red blood cells (12 mM) and the blood plasma (165…

A: Given: Concentrations of Na+ ions exist in red blood cells =12 mM Concentrations of Na+ ions exist…

Q: Compared to hydrogen , 1/1H, the element Helium , 4/2 Has : A - more mass and is larger in size B-…

A: Compared to 11H , the element helium 2He4 has :

Q: Joules can be converted into units of energy known as calories: 1 Joule = .24 Calories To convert…

A: Given: Total work = 1299 J

Q: Draw the major product of this reaction. Ignore inorganic byproducts. 1. LIAIH4 2. Neutralizing…

A:

Q: Angiotensin II is a polypeptide that regulates blood pressure. 2nd attempt Enter the amino acids, in…

A:

Q: K,SO, is a strong electrolyte Determine the concentration of each of the individual ions in a 0.750…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: Calculate the standard Gibbs energy in kJ/mol change for the following voltaic cell A(s) | A3+(aq)…

A: