Q: Question 1 What arenium intermediates are formed in the ortho- and meta-substituted products of the…
A: Bromine electrophile is attack on ortho position gives carbocation which is stabilized by methyl…
Q: in which the system will shift in esponse to the following stresses. FO(g) + 3H2(g) - CH4(g) +…
A:
Q: Identify the reagents necessary to achieve each of the following transformations: OH > O 1) O3: 2)…
A:
Q: A sample of methacrylate (CH2-CHCOOCH3) is polymerized, the resulting polymer has a degree of…
A: We have to predict structure of repeating unit and polymer mass.
Q: 5. The transmittance of a solution is found to be 85.0% when measured in a cell whose path length is…
A:
Q: What starting materials or reagents are best used to carry out the following reaction? .CI O HNO3,…
A:
Q: Calculate the heat of reaction AH for the following reaction. 2 HBr(g)-H,(9) + Br (g) You can find a…
A:
Q: Find the percent by mass of element A in a compound that has 4 atoms of element A and 2 atoms of…
A: Given: There are 4 atoms of A and 2 atoms of B in the compound. Molar mass of A = 183.53 g/mol. And…
Q: A piece of metal is at 0°C. A second piece which is twice as hot has a temperature of a. 0°C b. 2°C…
A:
Q: Select all major products of the following reactions. 1. NANH2 (3 eq), NH3 2. butyl iodide, THF B C…
A: ->Br2 form cyclobromonium ion then nucleophile can open the ring. ->NaNH2 is a base which can…
Q: (a) A galvanic cell consisting of a Cd electrode dipping into a 1.0 M CdCl2 solution and a Pt…
A:
Q: At a certain temperature, the equilibrium constant, K., for this reaction is 53.3. H,(g) + I,(g) = 2…
A:
Q: The reduction potential for a half-cell consisting of an Ag wire dipping into a saturated solution…
A: To find out the concentration of Ag+ ions and the solubility product of AgI.
Q: 9.) When atoms are heated or stimulated to high energy levels, they release light. Which of the…
A: The given question discusses about the interaction of a given substance with a source of energy and…
Q: are the signs for ΔH° and ΔS°, for a reaction that is ONLY spontaneous at low temperatures:
A:
Q: Combustion is a chemical process in which a fuel combines with to release energy and form products.
A: Combustion is a chemical process in which the compound reacts with oxygen and gives heat in the form…
Q: 2. Use the first-row transition metals (Sc to Cu) as an example to illustrate the characteristics of…
A: First row transition metals from Sc to Cu are Sc, Ti, V , Cr , Mn, Fe , Co , Ni, Cu
Q: polar bond in
A:
Q: Raffinose, with the structure below, is a trisaccharide commonly found in peas, beans, and some…
A: We have find out anomeric carbons in raffinose.
Q: The pk, for HCN(aq) is 9.21. What is the pH of a 1.245 M solution of NaCN? O a. 11.95 O b. 1.24 O c.…
A:
Q: Solution of ethanol in water was found to be 35.9% ethanol by mass. What is the molarity and mole…
A: We have to predict the Molarity and mole fraction of ethanol.
Q: Please check my work. Also, did I round to the appropriate number of significant figures
A: According to Charle's law, volume of a gas is directly proportional to the temperature of the gas at…
Q: ST6D.1 (pre-exponential factor) - Determine the pre-exponential factor [in 1/(M s)] for a reaction…
A: Given-> Activation energy (Ea) = 3.9 KJ/mole = 3900 J/mole Rate constant (K) = 6.75 /M.s T = 300…
Q: UV radiation is utilized in a range of industrial operations as well as medical and dental…
A: Frequency of a wave is defined as the number of waves that pass a fixed place in a given amount of…
Q: vLewis structure
A:
Q: Calculate the mass, in grams, of 422 atoms of potassium, K (1 mol of K has a mass of 39.10 g).
A: Given data, Mass of 1 mol of K = 39.10 g Since, 1 mole contains = 6.023×10+23 atoms So, Mass of…
Q: Determine the equilibrium constant (Kc) at 25°C for the reaction: 2Fe3+(aq) + Cd(s) ⇌ 2Fe2+(aq) +…
A:
Q: ОН OH CN H. Meo MeO + NaCN י
A: Step 1 : conversion of secondary alcohols using pcc. Step 2 : Acid catalyzed bromination of…
Q: 2. * Derive Michaelis-Menten equation under the assumption (Elo >> [SJo- 3. functions of the amino…
A:
Q: Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous…
A:
Q: N2 (g) + 4 H2 (g) + Cl2 (g) à 2 NH¼CI (s) AH = -628 kJ rxn How many grams of ammonium chloride were…
A:
Q: In the given equation: HCOOH (aq) + H2O (l) ↔ H3O+ (aq) + HCOO– (aq), the initial concentration of…
A:
Q: 12. The measured absorbance of a solution with a pathlength of 1.00 cm is 0.544. If the…
A: Given: Path length = 1.00 cm Absorbance = 0.544 Concentration = 1.40×10-3 M
Q: For the reaction: CuS(s) + H2(g) = H2S(g) + Cu(s) Use the following data, to calculate Kp (at 798 K)…
A: Given reaction: CuS(s)+ H2(g) ⇌ H2S(g)+ Cu(s) We have to calculate the value of Kp for the reaction…
Q: 1. Write the mechanism of Fischer esterification of acetic acid with benzyl alcohol.
A: Fischer esterification is the organic reaction in which a carboxylic acid is converted to ester in…
Q: Calculate the standard free-energy change for the reaction at 25 ∘C. Refer to the list of standard…
A:
Q: 2. The hydrolysis of a nitrile under acidic or basic conditions to form a carboxylic acid parent…
A: 2. a. We have to tell why the reaction in the scheme (1) is easily done under mild conditions and…
Q: Calculate the average bond orders for the following two structures: Structure on left: Structure on…
A: Bond order in a molecule is total number of bond involve in bonding divided by total number of…
Q: The heat of combustion of methane, CH4, is 50.1 kJ/g. How much heat would be generated if 1.00 mol…
A: First we would Calculate mass of methane and then use heat of combustion to calculate heat…
Q: 2. At 510 nm, the iron orthophenanthroline complex has a molar absorptivity of 1.2 x 104. What is…
A: We have to predict the concentration of iron solution.
Q: calculate the H+ in M for 0.620 M C2H5NH3Cl solution. Kb for solution is 5.60•10^-4
A:
Q: t Lewis struçture
A:
Q: A person has a BMI of 19.1 kg/m2. What is this in Ib/ft? A) 42.1 Ib/ft? B) 5.82 Ib/ft? C) 3.91…
A: Density = mass/volume Volume of cube = length × breadth × height
Q: 24 20.0 mL of a 0.100 M butanoic acid solution is titrated with a 0.250 M solution of Ba(OH)2…
A: 1.) In this base is added to a weak acid ( butanoic acid ) , so we would calculate moles of acid and…
Q: Question 3 If some solution splashed onto the bench when the aluminum was added into the beaker,…
A:
Q: What would the theroetical yield be of a oil sythesis? The exact quantites are below. Note:…
A:
Q: 14. What is the pathlength in centimeters when the molar absorptivity for a given absorbing species…
A: Given Absorptivity = 1.32 ×103 mol-1 L cm-1 Absorbance = 0.493 Concentration= 0.000923 M l (length…
Q: How much heat must be added to a 2-kg block of ice at -5°C to change it to water at 10°C? C of water…
A: The mass of the water sample is = 2 kg = 2000 g The initial temperature of the water is = -5oC The…
Q: cell Cu(s) + Ag*(aq) → Cu*(aq) + Ag(s)
A: Given cell reaction, Cu(s) + Ag+(aq) → Cu+(aq) + Ag(s)
Q: Calculate AH for the reaction of sodium oxide with sulfur dioxide. Na2O (s) + SO2 (g) ---> Na2SO3…
A: Given :- Na2O(s) + SO2(g) →Na2SO3(s) substance ∆Hfo (kJ/mol) Na2O…
Step by step
Solved in 2 steps with 2 images
- A spent 1.0 percent caustic soda solution (ρNaOH = 8.42 lb/gal) with a volumetric flow rate of 3.0gpm is to be neutralized using either sulfuric acid or hydrochloric acid. First, determine the massflow rate (lb/day) of NaOH in the spent caustic soda solution, and then use that value todetermine the stoichiometric amounts (lb/day) of:1. H2SO4 required for neutralizing the OH− ions contributed by the spent caustic soda.[Hints: (1) write the balanced chemical equation for the acid-base reaction betweenNaOH and H2SO4, and use it to establish the stoichiometric weight ratio H2SO4 : NaOH.]2. HCl required for neutralizing the OH− ions contributed by the spent caustic soda. [Hints:(1) write the balanced chemical equation for the acid-base reaction between NaOH andHCl and use it to establish the stoichiometric weight ratio HCl : NaOH.]Downvoted for wrong solution. A river is carrying water containing 2000 mg/l Magnesium Chloride into a small lake. The lake has a naturally occurring Magnesium Chloride of 50 mg/l. If the river flow is 2500 Lmin and the lake flow rate is 1.5 m³.sec¹, what is the concentration of MgCl2 in the lake after the discharge point? Assume that the flows in the river and lake are completely mixed, that the salt is a conservative substance, and the system is at steady state.Study the tabulated data during an gravimetric analysis of BaSO4 experiment Trial T1 T2 T3 Mass of sample (g) 1.0040 1.0100 1.0050 Constant weight of empty crucible (g) 10.2453 10.2454 10.2454 Constant weight after ignition (g) 10.3253 10.3252 10.3253 1. Calculate the mean mass of precipitate as BaSO4 a. 0.0799 g b. 0.0800 c. 0.08 g 2. Calculate the mean weight of sulphate (MM BaSO4 = 233.39 g/mol, So42- = 176 g/mol)? a. 0.0603 g b. 0.06 g c. 0.06025 g 3. Calculate the mean % SO42- in the sample a. 6.00% b. 5.991% c. 5.9908%
- A 100 g soil containing 20% smectitie mineral matter was mixed with 150 mL solution containing 0.10 M Pb. CEC of pure smectitie is 110 emol(+)/kg. CEC of the soil (cmol(+)/kg) is:1) How many milliliters of 70% ethanol and 20% ethanol must be mixed to prepare 500ml of 30% ethanol? 2) A gaseous blend of nitric oxide and nitrogen (NOmax) contains 0.09% v/v nitric oxide (NO) and 99.92% v/v nitrogen. Express the strength of nitric oxide in PPM (round to whole number) 3) The ratio strength of a 10mL vial of neostigmine methylsulfate injection USP is 1:1500.Calculate the amount of neostigmine methylsulfate in milligrams contained in the 10mL vial. (Round to the whole number).Convert 370 ppm of CO2 to μg/m3 at 20oC and 101.325 kPa. Convert 80 μg/m3 of SO2 to ppm at 25oC and 101.325 kPa.
- EX 2.Given-> Volume of Na+ = 500 ml Molarity of Na+= 0.0100M Molar mass of Na2CO3 = 105.99 gm/mole Millimole of Na+ = molarity × volume Number of millimole = 0.0100 × 500 = 5 millimole Na2CO3 ---> 2Na+ + CO32- Millimole of Na2CO3 = millimole of Na+/2 Millimole of Na2CO3 =5/2 = 2.5 millimole Mole of Na2CO3 = 2.5 × 10-3mole (1 mole = 10^3 millimole) Weight of Na2CO3 required = mole × molar mass = 2.5 × 10-3 × 105.99 =0.26 gm Hence, 0.26 gm Na2CO3 must dissolve in 500 ml of water.A 100-liter empty jar was spiked with 20 mg of TCE (C2HCl3) under room temperature condition. The jar was then closed tightly. What is the concentration (in atm.) of TCE in the air at 25 C? (TCE: MW: 131.4 g/mol; TCE solubility in water (Cs) = 1100 mg/L; Pv (pure liquid at 25oC) = 10^-1.01 atm. KH = 10^1.03 L atm mol-1; KOW = 102.42). if the jar was half filled with water and half filled with air, what were the concentrations of TCE in both air and water at 25C?1-3: A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v ethanol. (Density of ethanol = 0.789 g/mL; MW of ethanol = 46 g/mol) 1. Determine the initial volume of 70% v/v ethanol used in the preparation. 2. How much water was added to the stock solution to make 1L of the final concentration? 3. The molarity of 5.0 mL of 70% v/v ethanol was found to be __________. 4-6: A solution contains 45.0 g of methanol, CH3OH, dissolved in sufficient water to give a total mass of 210.6 g. 4. Compute for the number of moles of the solute present in the given solution. 5. What is the mass (in kg) of water used to dissolve the solute from the given problem? 6. Determine the molal concentration of the said solution.
- A sample may contain any combination of sodium hydroxide, sodium carbonate and sodium bicarbonate with inert matter. A 3.00g sample requires 57.57ml of 0.5N hydrochloric acid to reach phenolphthalein endpoint and a total of 105.4ml of acid was used until the methyl orange endpoint was reached. What is the percentage inerts in the mixture? What is the percentage sodium bicarbonate in the mixture? What is the percentage sodium hydroxide in the mixture? What is the percentage sodium carbonate in the mixture?Gypsum (CaSO4) is one of common precipitants in brackish water desalination processes. CaSO4 ⇋ Ca2+ + SO42- Ksp = 10-4.6Assume a water containing: [Ca2+] = 10-2.1 M; [SO42-] = 10-3.2 M.(a) Find Qsp or IAP for the given water. (b) Find the solubility index (SI) and determine whether CaSO4 is under, super, or at saturation in the water.