Question 9 Given the volume of 0.2000 M NaOH used determine the concentration of 10.00 ml sample each from aquaeous layer (Aq) of the system. and toluene layer (Or) What will be the Kd Volume of NaOH for Aq layer = 12.55 mL Volume of NaOH For Or layer = 15.27 mL
Q: Which of the reaction mechanisms is consistent with the energy diagram? fast 2 A → B fast B » C slow...
A:
Q: What is the boiling point of solution of an 0.531 molal of an aqueous sugar solution? Kb H2o = 0.51 ...
A: Elevation in boiling point is a colligative property of a solution. Molarity of sugar solution = 0.5...
Q: CH3 H3C CH3 H3C
A:
Q: Which best represents a negative consequence of using nuclear power technology? * a. nuclear reacti...
A: negative consequence of using nuclear power technology?
Q: What is the chemical formula of difluoride heptasulfide? * a. FS, b. F2S6 А. c. F2S7 d. F,S2 D. B.
A: Chemical formula: Chemical formula can be described as representation of Chemical composition of com...
Q: 3. If the compound shown is subjected to reaction conditions that will hydrolyze amides one of two p...
A: Solution of the question is given below:
Q: Calculate the molar solubility of barium fluoride in: (a.) pure water (b.)0.10 M Ba(NO3)2 (c.)0.15 ...
A: Here We have to calculate the molar Solubility of barium fluoride in different solvents given follow...
Q: For the reaction between carbon dioxide and water in the water gas shift reaction, a) determine the ...
A:
Q: : Determine the pH of a .25 M CH3NH3Cl solution (Ka for CH3NH3+ = 2.3*10^-11)(Show the dissociation ...
A: To Calculate pH , we would need to draw an ICE table and calculate concentration of H3O+. From this ...
Q: 14. Consider the following reaction: 2SO2(g) + O2(g) → 2SO3(g) a. If 652g of SO2 reacts with excess ...
A:
Q: Which is not a characteristics of crystal solid? * a. melting point is not sharp b. definite geo...
A: Answer Which is not a characteristics of crystal solid stro...
Q: When a mixture of ethyl butyrate and methyl acetate separated by fractional distillation. How do the...
A: A mixture of methyl alcohol and ethyl alcohol can be separated into components by using a separating...
Q: Q.6 The standard enthalpy of combustion of solid urea (CO(NH2)2) is -632 kJ mol at 298 K and its sta...
A:
Q: The hydrogen ion concentration of a solution is 1.40x10-8 M. What is the pOH of the solution? Expres...
A:
Q: propane (C3H8) undergoes complete combustion in oxygen, it produces carbon dioxide and water, as sho...
A:
Q: dral representa R enantiomer o o form of 3,5-he
A:
Q: 1. Differentiate between thermoplastic and thermosetting polymers.
A: Thermosetting plastics and thermoplastics are both polymers, but they behave differently when expose...
Q: What is the mass % of ethylene glycol in a 1.89 M solution of ethylene glycol (MM = 62.07 g/mol) in ...
A:
Q: What happens to the calculated molarity of the sample if the burette was not washed with the standar...
A:
Q: Calculate the molarity of 126.2 mL of diluted NaOH solution prepared from 16.6 mL of 6.9 M NaOH st...
A: To solve this problem we will use the formula of dilution law . According to this law M1V1 = M2V2 ...
Q: 6. What is the molarity of the H,SO, if a solution of 0.162 M NaOH is used to neutralize 25.0 mL of ...
A:
Q: The reactant shown, having an axial p-toluenesulfonate in its most stable conformation, undergoes pr...
A: Cyclohexane undergo elimination reaction in presence of base if there is an anti H is present in axi...
Q: Q2. a) What is Atom Economy? Calculate Atom Economy for the following reactions, Synthesis of 1-brom...
A: This Question is based upon Atom Economy.
Q: Solve the given problems with complete solution. Consider the following reactions: 3 Ni 2* (aq) + 2C...
A:
Q: Solve the given problems with complete solution. Calculate the concentration of the chromic ion in t...
A:
Q: Calculate the osmotic pressure for a solution that is 0.1 molar in sodium chloride and 0.5 molar in ...
A:
Q: explain to me what Isosteric replacements are when talking about strategies for lead molecule modifi...
A: A bioisostere is a molecule resulting from the exchange of an atom or of a group of atoms with an a...
Q: molar of weak acetic acid with pKa = 4.97 and pH = 3.50. Calculate the molar concentration of the un...
A:
Q: Indicate for each species below whether it is a strong acid, a strong nucleophile, both, or neither:...
A: A strong acid easily gives H+ ions in any medium. A strong nucleophile readily donates electron towa...
Q: Write the complex hydrogen atom wave functions, 2p-1, 2po, and 2p, in terms of the real wave functio...
A: The solution of the question is given below:
Q: Please order the hydration energies for the following ions from most negative/favorable (#1) to leas...
A: Hydration energy is the energy released when one mole of a species is hydrated. It will depend on th...
Q: The molar heat capacity of a diatomic molecule is 29.1 J-K-1.mol-1, Assuming the atmosphere contains...
A: Step 1:Total heat intakeq = C *Δt = 29.1 J/Kmol * 3K = 69.84 J/mol
Q: Which of the following is not a heating Equipment? а. Electric Furnace O b. Desiccator С. Burners O ...
A: A question based on tools in analytical chemistry that is to be accomplished.
Q: explain what is unique about the SAR for sulfanilamide as compared to taxol
A: Taxol (paclitaxel) is a cancer chemotherapy medication that interferes with the growth of cancer cel...
Q: molecules is not an intermediate or substrate in the synthesis of a membrane glycerophospholipid? 'R...
A: This question is related to synthesis of glycerophospholipids. Follow all the steps in the image, an...
Q: Find each part of this Metathesis reaction: Ammonium Carbonate and Phosphoric Acid Molecular equ...
A: Metathesis reaction is also called as double displacement reaction. In this cations and anions are ...
Q: Which of the following is not an important assumption of the radiometric age dating method? Dec...
A: Major assumption of radioactive age dating method are- 1) Decay occurs at constant rate. 2)The conc...
Q: Supply a balanced chemical equation for the reaction of potassium permanganate with the sodium bi...
A: To balance the chemical equation for the reaction of potassium permanganate with the sodium bisulfi...
Q: What are the two types of isotopes? * raw and edited compressed and uncompressed stable and unstable...
A: 1. Isotopes are elements having the same atomic number ( no.of protons ) but have different atomic m...
Q: 15. Titanium (IV) chloride is reduced by magnesium to produce titanium according to the following re...
A:
Q: Assign Cahn-Ingold-Prelog rankings to substituents: (a) – CH=CH2, -CH(CH3)2, -C(CH3)3, -CH: (b) -C=C...
A:
Q: determine the pressure exerted by 2.26 mol of gas in a 2.92-L container at 32degrees.
A:
Q: Identify the indicated faces in the following molecules as Re or Si. (a) (b) H- CC-CH3 H3C CO2 "02C-...
A: To decide whether a face is 'Re' or 'Si', Cahn-Ingold-Prelog will be followed as indicated in the fo...
Q: Consider the two-step mechanism for the destruction of ozone. step 1: O, (g) + НO(g) HO, (g) + 0,(g)...
A: Given, step 1: O3(g) + HO(g) ⟶ HO2(g)+ O2(g) step 2: HO2(g) + O(g) ⟶ HO(g) + O2(g)
Q: What is the strength of the ionic interactions between an ion with 1 positive charges and an ion wit...
A:
Q: 4. Given the following reaction, calculate AH°, AS°, and AG°. (25°C) 2P (s) 10 HF (g) → 2 PFs(g) + 5...
A:
Q: QUESTION 9 If you only have the chemical equation, what information do you have? what compounds are ...
A: The chemical equation of any reaction shows the rectants and products involved in that reaction.
Q: ? OH
A: Detail mechanistic pathway is given below along with specific reagents
Q: The Kb of (CH3)3N is 6.4x10^-5. What is the pH of a 0.48 M solution of (CH3)3NH+?
A: Given: The Kb of (CH3)3N = 6.4 × 10-5 We have to calculate the pH of a 0.48 M solution of (CH3)3NH+....
Q: The logarithm of the molar absorptivity for acetone in ethanol is 2.75 at 366 nm. Calculate the acet...
A:
Step by step
Solved in 6 steps
- A stock solution of approximately 7.7x10^-5 molar will be provided in lab. Determine the volumes of each solution needed to prepare 50.00 mL of standard solutions of concentration 0.600x10^-5molar, 1.20x10^-5molar, 2.40x10^-5molar, and 3.00x10^-5molar. Round the calculated volumes to thenearest 0.1mL.Other information not on photo 2 gram potassium bitartrate are put into a 250ml flask. 150ml water is added. The solution is stirred and left to settle. the solution if filtered through a dry funnel into a 250ml breaker. 25ml of this solution was placed into 4 different flasks each. Approximately 11.5666667ml of NaOH was added to each flask. What is the concentration of the HC4H4O6-? (Asked on the right side of the table)Calculate the Molarity (moles per liter) of H2SO4 solution if 40.00 mL of H2SO4 required 42.10 mL of 0.0600 M NaOH to reach a pink phenolphthalein endpoint during a titration. Show work – must have correct number of significant figure
- Assume that the molarity of the standardized KMnO4 solution is 0.025 M and it takes 23.00 mL to reach the endpoint when titrating a dilute sample of H2O2. How many moles of H2O2 are in the diluted sample initially? Group of answer choicesHow many milliliters of 0.15 M H2SO4 are required to neutralize: (a) 30 ml of 0.30 N KOH? (b) 30 ml of 0.30 M Ba(OH)2? Note: Please present complete solution. Express your final answers up to two (2) decimal places.Charysse the Chemist needs to make 500.0 mL of 3.00 M HClO4 solution. She has 11.7 M (concentrated) HClO4 solution available. Select the correct choices from the drop-down menus to describe how she should make this solution. Combine ---14.2 mL48.7 mL19.5 mL128 mL70.2 mL of 11.7 M HClO4 with ---- 485.8 mLenough429.8 mL372 mL451.3 mL480.5 mL distilled water to make 500.0 mL of 3.00 M HClO4 solution.
- If 45.0 mL of solvent is added to 85.0 mL of an 80.0% solution, what would the new concentration be? Group of answer choices 80.0% 1.63% 61.5% 90.3% 52.3%Analysis of unknown sample.Find the molarity of NaOH (M) using the given values below. Show your complete solution. Correction factors:0.30 - Phenol0.20 - Methyl Orange, Bromocresol Volume, mL Corrected Volume, mL Molarity HCl, M Average Molarity 26 25.8 0.1111 M 0.1090 M 25.8 25.6 0.1122 M 27.40 27.2 0.1038 M Phenolphthalein Phenolphthalein Methyl Orange Methyl Orange NaOH M Volume mL Corrected volume Volume mL Corrected volume 10.20 9.9 20 19.8 ???________H3PO4 +_________Ca(OH)2 → Ca3(PO4)2 +________HOH What is the molar concentration of 250. mL H3PO4 is needed to reach the equivalence point with 500.0 mL of 0.325 M Ca(OH)2? Answer: Unit: Label/ID:
- A vinegar sample of 28 mL was diluted with distilled water to a 250-mL volume. 25 mL portion of this solution was directly titrated with standard 0.01 mol/L NaOH solution. The consumption was found as 27.1 mL. Find the concentration (mol/L) of acetic acid in vinegar sample.19,What is the final concentration of HCl in a solution prepared by the dilution of 12.0 mL of 12.0 M HCl to 500.0 mL? Group of answer choices A, 0.388M B, 0.144M C, 0.288M D, 0.200M3.) In the assay of NaHCO3, 3.0g of the solid is dissolved in 25mL water. What is the normality? How many mL of 1N H2SO4 will be required to neutralize this solution? From this volume of acid, compute the percent purity of NaHCO3.