Q: References Submit Answer Use the References to access important values if needed for this question.…
A: 0.102 mol of KOH is added to 1.00 L of a buffer solution that is made up of 0.372 M HClO and 0.373…
Q: Draw the skeletal(line-bond) structure of 1-ethoxy-2-methylhexane
A: In the skeletal structure, C-C bond represented as single line '—'. If there are heteroatoms present…
Q: How many valence electrons are in a neutral atom of phosphorus? 0 X 5
A:
Q: A fixed radar gun transmits frequency of 5 GHz. A speeding Tesla is detected, and the Doppler shift…
A:
Q: What is the energy of radio wave radiation that has a wavelength of 2.37 × 102 m? Energy kJ/photon
A: Given: Wavelength of radiation = 2.37×102 m
Q: Which of the following alkyl halides will undergo the slowest SN2 reaction? A ||| B || C V D I IV IV…
A:
Q: Draw a skeletal ("line") structure of this molecule: ОН СН3-СН2 - C-CH=CH2 ОН
A: Since, In skelton structure, not write the C and H atom when valency is not complete then assume…
Q: (3) Write the ionic and net ionic equations of the following molecular equations: (a) FeBr (aq) +…
A:
Q: Mass of magnesium oxide used (g) Mass of inner cup and solution (g) Mass of empty inner cup (g) Mass…
A:
Q: Identify the solute and solvent in a 1 liter aqueous solution that contains 126.0 g sodium…
A: Solute : The substance which is dissolved in solvent to form a solution is known as solute. It is…
Q: 4. Select the measurement that is consistent with the uncertainty of each instrument. a) milligram…
A: We need to select the measurement that is consistent with the uncertainty of each instrument. The…
Q: Which of the following compounds is one of the best solvents for polar and nonpolar compounds?…
A: Which compound is one of the best solvent for polar and non-polar compounds??
Q: 9 Determine the pH if 25.0 mL of 0.10 M HI solution is added to 0.041 L of a 0.20 M KOH solution…
A: Molarity, M = Moles/Volume(L) M = n/V(L)
Q: 4NH3(g) + 5O₂(g) ₹ 4NO(g) + 6H₂O(g) Equilibrium constant = K In terms of K, what is the equilibrium…
A: Given : equilibrium reaction and equilibrium constant Tip : reverse and divide by 2
Q: Identify the type of elimination in an E2 mechanism.
A: Given : E2 elimination
Q: How did you get the volume of the cell, and referring to the calculated density, what is the most…
A:
Q: Using the numbering scheme below, which carbons are secondary (2°)? E E J 3 1 [] 2 3 st 4 5 06 07 8…
A:
Q: The stationary phase in gas chromatography (GC) is O liquid. ● solid. O gas.
A: We have to tell the stationary phase in gas chromatography.
Q: Why is the use of depleted uranium in military applications (e.g., weapons & plate armor)…
A: To choose the most appropriate reason which makes the use of depleted uranium in military…
Q: You electrically charge a plastic rod by rubbing it against fur. You then place the rod near a few…
A: When the plastic rod is rubbed against fur, the plastic rod gets electrically charged and starts…
Q: The tetrahedral borohydride anion (BH4) has Ta symmetry and is commonly used as a reductant in…
A: To identify the labels for the 2s and 2p orbital of the B atom for tetrahedral borohydride ion…
Q: When 1 mole of H₂(g) reacts with C₂H4 (9) to form C₂H6 (9) according to the following equation, 137…
A: If in the given reaction ,heat energy is released, then the reaction is called exothermic reaction…
Q: A 18.3 mL sample of a 0.306 M aqueous nitrous acid solution is titrated with a 0.441 M aqueous…
A: Given -> Volume of HNO2 = 18.3 ml Molarity of HNO2= 0.306 M Molarity of NaOH = 0.441 M
Q: A student recovered0.398g of THF vapor in a 125 mL flask. Assuming the vapor is an ideal gas with a…
A:
Q: A chemical engineer must calculate the maximum safe operating temperature of a high-pressure gas…
A: First we calculate the volume of the cylinder. Using the formula πr2h. And we convert the unit to…
Q: ▾ Part A Calculate the percent ionization of 0.115 M lactic acid (K₂=1.4 x 10-4). Express the…
A: we have to calculate the percentage ionization
Q: We start with a sample of pure A(g). The following equilibrium is established 2 A(g) B(g) + C(g) The…
A: Answer:- Firstly using the equilibrium partial pressure, equilibrium constant is calculated then…
Q: Here are sketches of four electron orbitals:
A: shape of s - orbital:
Q: tion as Temperature (°C) 0 25 35 40 50 emperature Kw 1.14 × 10-¹5 1.00 × 10-14 2.09 × 10-¹4 2.92 ×…
A: Kw is the ionic product of water. At 25 C Kw = 1 x 10-14 At any temperature, Kw = [H+] [OH-] As…
Q: A 440.0 mL sample of 0.20 M HF is titrated with 0.10 M LiOH. Determine the pH of the solution after…
A:
Q: Name these organic compounds: structure HỌ — CH,— CH OH | CH₂-CH- CH₂-OH HỌ— CH,— CH,—OH name X S
A:
Q: Write the structural equation for the following reactions: A. (SN1 equation) tert-butyl…
A: SN1 reaction is two steps reaction. First step involves the formation of carbocation and second step…
Q: is orange peel esterase and pig liver esterase regioselective and if so why? What do methyl…
A: The concept behind the question is enzyme based hydrolysis of specific ester over other.
Q: Time Remaining: 01:45:23 You mix 21 mL of 0.080 M hydrogen cyanide (HCN), Ka = 4.0x10-10, with 8.4…
A:
Q: вкл too О он все до A Ag UH но он ө хо бо О B Но до C
A: Neighboring group participation: The effect of nucleophilic atom or group of a substance on the…
Q: 5) Calculate the volume of an alveolus of a premature baby (assume its shape is approximated by a…
A:
Q: 2. Briefly explain why it is essential that none of the yeast comes into contact with the H₂O2…
A: Enzymes which is present in yeast converts hydrogen peroxide into oxygen . Now to capture oxygen gas…
Q: Determine the amount in grams of salt necessary to make 25.0 mL of a 0.100 M solution of Cu(NO3)2 •…
A:
Q: Consider the equilibration of a weak base B (K = 5.57 x 10-5) between water (phase 1) and benzene…
A: Given: Equilibration of weak base B between water (phase 1) and Benzene (phase 2) Kb = 5.57 x 10-5…
Q: Q1) Plot the conductance on y-axis and time on x-axis. Q2) How to determine initial conductance (Go)…
A:
Q: Each of the following reactions has been described in the chemical literature and involves an…
A:
Q: Standard solutions of Erythrosin B (A red food dye) are prepared by pipetting 1.00, 2.00, 5.00,…
A: The five standard solutions of Erhthrosin B are prepared by diluting different volumes of 1.108x10-2…
Q: (III S Try Again Your answer is incorrect. • Row 3: Your answer is incorrect. • Row 5: Your answer…
A: Lowest energy state is ground state Above ground states are excited state Absorption means takes…
Q: A calorimeter contains 25.0 mLmL of water at 12.5 ∘C∘C . When 1.70 gg of XX (a substance with a…
A:
Q: Find literature values (include units g/mL for first two) for the following quanties a) Density of…
A: a) Density of zinc --> 7.13 g/mL b) Density of copper --> 8.96 g/mL c) Melting point of…
Q: A chemistry student must write down in her lab notebook the concentration of a solution of sodium…
A:
Q: Hydrogen chloride gas and oxygen react to form water vapor and chlorine gas. What volume of chlorine…
A:
Q: You wish to prepare 201 grams of 11.8% (w/w) Mg(NO3)2. Assume that the density of water is 1.00…
A: Percentage is out of hundred (w/w) means percentage in weight by weight (w/v) means percentage in…
Q: Determine the ammonia concentration of an aqueous solution that has a pH of 11.30. The equation for…
A:
Q: 1. The ionization constant (Kb) of aniline (C6H5NH2) is 2.35 x 10^-5. If 7.285 grams of aniline is…
A: We can easily calculate the equilibrium concentration of the species by constructing an ICE table.…
Step by step
Solved in 2 steps
- hree components in a mixture have varying distribution constants between the mobile phase and the stationary phass One of the components has a very low distribution constant, Would this component likely elute first or last and how would you design an experiment or modify the components of the separation to make it perform in the opposite manner?What is the concentration (M) of the following compound as measured in a 1.000 cm cuvette: Molar absorptivity constant: 3525 (M*cm)-1 and Absorption: 0.5334 Hint: Use the Beer law to solve this problem Group of answer choices 1.513E-04 1.513E+04 1.513191E-04 1.513191E+04 1.5E-04. 100 ml boiled cooled and filtered water sample takes 9.6 ml of M/50 EDTA in titration. The Permanent hardness of the water sample in terms of ppm of CaCO3 equivalent is
- Explain what is the best method for determining the molar absorptivity e: using solutions of varying concentrations or using the same solution with cuvets of different pathlengths?A silver-30%gold alloy sample (cylindrical with 1 cm diameter and 0.3 cm height) is subjected to a selective silver dissolution in 0.1 M HNO3 at current density of 2.5 mA/cm2 . How long will it take until the total amount of silver is dissolved? Assume in average a density of 12 g/cm3 for the alloy sample.Question: (give clear handwritten solution) At 25oC TlCl has a solubility of 1,64x10-2 M in pure water. Calculate the solubility in 2,5x10-2 M KNO3 solution and the concentration of the dissolution products using the extended debye-hückel limit law.
- what weight of betazole phosphotungstate might be expected in the assay of 0.1550 g sample of betazole hydrochloride containing 98% C5H9N3.2HC? Gravimetric factor = 0.0909Physical Chemistry for Engineers Question: Correlate degree of association/dissociation to the distribution coefficient.0.5M HA sample with 0.2 dissociation; It is placed in a conductivity cell with a length of 0.9 cm and an area of 2 cm2 and its conductivity is read as 300 mS. For this purpose;a) Equivalent conductivity of the electrolyte ?b) Boundary equivalent conductivity ?c) Decomposition constant ?
- 1) 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).Volume of dye solution added (mL) 9.80 mL Concentration of bleach solution used (M) 0.090 M Volume of bleach solution added (mL) 0,20 mL. Total Volume of solution (mL) 10.0 mL O5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 ABS Ln Abs = -4.860e-2 t + 1.35e-1 0.0 INABS -0.2 -0.4 1/ABS -0.6 -0.8 -1.0 -1.2 -1.4 Time (s) -1.6 b) From the data above, what are the initial molar concentrations of [dye] and [bleach] for your experiment? (NOTE: The concentration of the stock yellow dye solution is 3.40x10 M) [dye)o (M) [bleach]o (M) In AbsorbanceWhat is the role of specific visualizing agents in a Thin layer Chromatography? Please shortly answer at your own words. Answer should be to the point (4-5 lines).