A cell has a standard emf of+ 0.134 V at 298 K.

Q: जिनण्या व जखमल : Fe CNO3),+3 NaoH ज्ठमाक > FECOH)3 + 3 NaNog 3 2.००८ ० १ ०. न30M NqoH Sdcीस emPखग्र…

A: Volume of NaOH = 2.00 L Molarity of NaOH = 0.730 M

Q: D. Enthalpy is negligible B. Enthalpy change is negative 7. Which represents an exothermic reaction?…

A: ∆H = ∆H(product) - ∆H(reactant) -> In exothermic reaction heat is released that means  ∆H = -ve…

Q: Use the following Lewis structure to answer the given question. In which orbital does the nitrogen…

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Q: What is reaction 1? Screen Shot 2022-04-16 at 11.11.01 PM(2).png ... Br Reaction 1 Reaction 2 A)…

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Q: Calculating A chemist prepares a solution of calcium sulfate (CaSO) by measuring out 0.79 g of…

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Q: Part A The radioactive isotope 133 Xe is used in pulmonary respiratory studies to image the blood…

A: I don't know how much detail you want for this, but the simplestequation to use iswhere τ1/2 is the…

Q: This molecule will undergoa bimolecular nucleophilic substitution reaction with hydraxide ion.…

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Q: Match the following electron configuration for the correct element or ion. A. Cr 1s2 252p6…

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Q: Carbachol causes contractions the isolated rat ileum to contract. The responses obtained to…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: Which amomg the fragments below will be dectected by mass Spectrophotometer? [CH3CH3]+ CH3CH3…

A: In mass spectrometry, neutral and negatively charged particles are not detected.

Q: A fixed amount of helium gas occupies 859 mL at 40.1°C. If this gas is cooled to 16.3°C under…

A: Given :-  Initial volume (V1) = 859 mL Initial temperature (T1) = 40.1°C  Final temperature (T2) =…

Q: What is the concentration of co3²- required (molarity) in a solution that is 0.0014 M in Sr2* in…

A: First write dissociation equation of SrCO3 and use given Ksp and concentration of Sr2+ .

Q: Match the given parts with the correct function integrator A. holds as the mobile phase detector B.…

A: In the given question, functions of several units of a standard hplc system are clearly discussed.

Q: 18) Nitrous oxide may be formed according to the below equation: NH4NO3(s) →N20(g) + 2H2O(g) What…

A: According to Bartlby guidelines I solve only first question. You post second question separately.

Q: Calculate ΔH° for the reaction using the given bond dissociation energies.…

A: This is a combustion reaction of methane.

Q: A solution contains a mixture of Na2CO3 and NaOH. Using phenolphthalein indicator 25 mL of mixture…

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Q: A 2-butene undergoes reduction to a saturated compound by substituting 2 hydrogens for the pi bond.…

A: Reduction is the process where oxidation state of the particular atom in the molecule decreases.

Q: [H2] = 0.095 mol/L, [CO] = 0.035 mol/L, [CH3OH] = 0.065 mol/L. What is the value of the equilibrium…

A: Given :-  2H2(g) + CO(g) <---> CH3OH(g)  [H2] = 0.095 mol/L [CO] = 0.035 mol/L [CH3OH] = 0.065…

Q: In the mass spectrum the highest peak is known as the base peak is also considered as the parent…

A: Choose the statement is true or false --

Q: Given is the mass spectra of n-octane whre peaks are labeled accordingly. Give the letter that…

A: We have to predict the peak correspond to the given questions.

Q: Which of the following reaction uses the reagent m-chloroperoxybenzoic acid?   a Epoxidation   b…

A: Which one of the following is correct

Q: Enter electrons as e". A voltaic cell is constructed in which the anode is a Cr2+|Cr3+ half cell and…

A: * The voltice cell electric energy is produce by mean of chemical reactions.  * In voltice cell…

Q: i) Would you expect the rate of hydrolysis of methyl-p-fluorobenzoate (X = F) to be substantially…

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Q: (a) the fission reaction of uranium-235 with a neutron to produce xenon-144 and strontium-90 chemPad…

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Q: A photon has an energy of 2.35 x 10–19 kJ. Find the wave length of the radiation in µm.

A: Energy of photon = 2.35 × 10-19 KJ  Wavelength of radiation (in μm)  = ?

Q: What mechanism is followed by Reaction 1 and 2? Possible Ans: Electrophilic addition, Electrophilic…

A: Here we are required to predict the Starting material of the reaction and also predict the mechanism…

Q: In the context of chemistry and rate laws. What assumptions do we make when analyzing rate law…

A: The steady-state approximation is a method used to derive a rate law.  The steady state…

Q: In each of the molecules drawn below one chemical bond is colored red. Decide whether this bond is…

A: The polarity of a bond in a molecule can be determined with the help of electronegativity difference…

Q: The equilibrium constant, Kp, for the following reaction is 0.497 at 500K. PCI5(9) PCI3(g) + Cl2(g)…

A: Answer: Given data at the equilibrium of thermal decomposition of PCl5…

Q: Draw the correct Lewis structure for each of the following using the Octet Rule. (Show the total…

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Q: K for the reaction of hydrogen and iodine to produce hydrogen iodide, H2(g) + 1(g) = 2HI(g) is 54.3…

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Q: Given that E°red = -0.40 V for Cd2+/Cd at 25°C, find E° and E for the concentration cell expressed…

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Q: The flame-ionization detector is used in gas chromatography because the eluates cannot be detected…

A: Detector is the instrument that can detect the eluate species. In gas chromatography analyte…

Q: Which of the following factors DOES NOT affect retention time of a sample undergoing normal phase…

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Q: Which of the following factors DOES NOT affect retention time of a sample undergoing normal phase…

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Q: TRUE or FALSE. When phenol undergoes an FC alkylation with methyl chloride and aluminum chloride,…

A: We have to predict whether given Statement is correct or not.

Q: (a) Standardization of iodine solution ( finding its concentration ). 5.00 g vitamin C are dissolved…

A: #(a): Standardization of iodine(I2) solution: Volume of the diluted vitamic C solution used for…

Q: B) AS° has a small negative value.

A: Answer: entropy has small negative value. Because the number of molecules is decreases.

Q: moles of gas are present in the sample of gas occupies that 4.32 L -18°C? (Include your formula used…

A: Gas laws says, PV = nRT

Q: CH, NaCN H,0* d) OH OCH, 1) BМg -CH, NH ÓCH, e) 2) H,O* NH,OCH, f) H,C H.

A: d. Epoxide opening with NaCN. Cyano FG to acid FG using H3O+ e. Epoxide opening with Grignard…

Q: In each of the molecules drawn below one chemical bond is colored red. Decide whether this bond is…

A: The polarity/non-polarity of a bond can be determined on the basis of electronegativity difference…

Q: Curved arrows are used to illustrate the flow of electrons. Follow the arrows and draw the…

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Q: Benzoic acid (C,H$COOH) ionized to form the benzoate ion (C&H$COO'). Benzoic acid has a K=6.3 x 10%.…

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Q: Question 5 The bombarded fragments leads to the formation of molecular ion which is translated into…

A: Mass spectroscopy is used to determine structure of Unknown compound.

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: Following ions are given as  Cationic species = Pb4+, Fe2+ Anionic species = MnO4- , CH3CO2-

Q: Balance the following reactions below using the change in oxidation number method. 1. PbO, + HBr →…

A: Here we have to balance the following chemical equation by change in oxidation number method.

Q: Give a clear explanation handwritten answer

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Q: Which of the following conditions DOES NOT show an improvement in the elution process? O increased…

A: Elution is a separation method that uses a stream of gas or liquid moving in the opposite direction…

Q: OH Cro3 HBr -OH H,SO4 а) CH, PPh, b) H;C -CH3 CH;OH H,SO,

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Q: Determine the number of electrons that the four elements below gain or lose to obtain the nearest…

A: The gaining of electron is called as reduction.  the losing of electron is called as oxidation.