he initial rate of a second-order reaction in A is 5.9 x 10-4M-1sec-1  and the initial concentration is 0.0040 M. What is the rate constant (s-1)?

Q: 2. Two analytical chemists have reported a method for monitoring the concentration of SO₂ in air.…

A: Solution: In this solution we have to calculate the difference between the standard method and the…

Q: Jose titrated 40.00 mL of 0.25 M methylamine, CH3NH2, with 0.40 M HCI. CH3NH₂ Kb = 4.4 x 10-4 What…

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Q: Give the symbol of the atom with the following orbital diagram: NN 1s 2s a. b. C. 1s 2s NN 2p M 2p…

A: In the orbital diagram of an atom, we fill all the electrons present in a neutral atom.  The total…

Q: What is the pH of the solution when Henry has added 35.00 mL of 0.50 M NaOH to the 50.00 mL of 0.25…

A:

Q: An automobile engine provides 528 Joules of work to push the pistons and generates 2362 Joules of…

A: Given, Work done by automobile , W = 528 J Heat generated , Q =2362 J

Q: Using only the periodic table arrange the following elements in order of increasing ionization…

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Q: Use the periodic table to determine which one of the following isotopes for each element is the most…

A: From periodic table we know that sulphur atomic mass is 32.

Q: Part 2: Assay of tartaric acid (Jenkin's Quantitative Pharmaceutical Chemistry by Knevel, pp.108)…

A:

Q: The density of helium in a 2.00 L tank at 1.0 atm and 23 °C is ?

A: Given data, Pressure (P) = 1.0 atm Temperature (T) = 23 °C T = (23+273) K = 296 K Volume (V) = 2.0 L…

Q: Identify whether each of the following substances will Sink or Float in water (1.00 g/mL). hexane…

A: we need to determine if the given substances will sink or float in water

Q: How many grams of iron are needed to completely consume 44.5L of chlorine gas according to the…

A: Given, Volume of chlorine = 44.5 L Temperature, T=25°C=(25+273)K=298 K Pressure, P= 1atm

Q: Formic acid is a monoprotic acid with a Ka of 1.8 x 10-4. What is the pH of the original 0.40 M…

A: we need to calculate the initial pH of formic acid

Q: Standardization of EDTA was done using MgSO4 standard wherein a 50-mL aliquot of solution obtained…

A: Mass of MgSO4 = 0.480 g in 500 mL (0.500 L) Volume of MgSO4 = 50 mL  Volume of EDTA = 39.4 mL Mass…

Q: How many alkenes will be produced from 3-ethyl-3-pentanol via a dehydration? Co C1 O 2 C 3 4.

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Q: Linda titrates 60.00 mL of 0.20 M dimethylamine, (CH3)2NH2, with 0.40 M HBr. (CH3)2NH₂ Kb = 5.4 x…

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Q: In the redox reaction 6 Fe²+ + Cr₂O7²- + 14 H+ 2 Cr³+ + 6 Fe³+ + 7 H₂O, what is the reducing agent?…

A: Oxidation reduction reaction (Redox reaction) It can be defined as the chemical reaction in which…

Q: C The radius of a nickel atom is 125 pm. How many nickel atoms would have to be laid side by side to…

A: We are given : radius of nickel atom (r) = 125 pm distance (d) = 1.11 mm number of nickel atoms (n)…

Q: Based on the Kb determined in the previous part, what is the pH of the initial 1.0 M base solution?…

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Q: When CO(g) reacts with O2 (g) according to the following reaction, 283 kJ of energy are evolved for…

A: In a thermochemical equation, the enthalpy change (ΔH) of a chemical reaction is also written with…

Q: 8. CH₁ CH, 13 H C=C H

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Q: how many Sn atoms are in a 48.7 g sample of Sn?

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Q: A sample of krypton gas collected at a pressure of 1.49 atm and a Temperature of 286 K is found to…

A: Given that, for a sample of krypton, Kr gas The pressure is P =  1.49 atm,  The temperature is T =…

Q: We can draw three inequivalent Lewis structures for the bromate ion, BrO3 structure that is the best…

A: we have to calculate the formal charge and determine the best Lewis structure

Q: Fill in the orbital energy diagram for the oxide ion. E 2s 1s 2p-

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Q: A simulated IR spectrum of [Rh(CO)3] is shown below. Use this data to deduce the geometry of the Rh…

A: We have given,  A simulated IR spectrum of [Rh(CO)3] in which 3 peaks are shown.    For deduction of…

Q: Using only the periodic table arrange the following elements in order of increasing atomic radius:…

A: In general, atomic radii increase gradually, as we go down a group this is due to the reason that on…

Q: C. Show the product formed in each step of this multi-step synthesis. benzene He CI 1. CH3CI, AICI 3…

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Q: Balance the reaction between Mn2+ and H3ASO4 to form MnO₂ and H3ASO3 in acidic solution. When you…

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Q: Q1 The following table shows the first five ionisation energies of the elements A and Z in kJ mol-¹.…

A: Ionization energy is defined as the energy required to remove an electron from a gaseous atom or…

Q: Provide the correct IUPAC name for the compound shown here.

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Q: NH3(aq) + H₂O(1) ⇒ NH(aq) + OH- (aq) The equilibrium hydroxide concentration in a 0.0220 M NH3…

A: Concept based on the dissociation constant of an weak base.

Q: Identify the irreducible representations to which all five d orbitals of the central Xe atom in XeF4…

A: XeF4 has one C4 rotation axis, one C2 rotation axis, four C2 perpendicular rotation axis, 2σv…

Q: Complete the table below (omit the subscript and superscript numbers for the Atomic Symbol): Atomic…

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Q: 火人 HO NalOa

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Q: Henry titrated 50.00 mL of 0.25 M formic acid with 0.50 M LIOH. Formic acid is monoprotic and has a…

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Q: Hydrogen peroxide decomposes to water and oxygen according to the reaction below: 2 H2O2(aq) → 2…

A: Solution:  In the given question we have to calculate the average rate of disappearance in the first…

Q: ophilic aromatic substitutions proceed in two stages. 1. Attack of the aromatic ring on the…

A: Here the step 1  Is generation of an electrophile which is generated as the Br-Br bond interact with…

Q: What are the main instrumentation components difference between Uv-visible and Fluorescence…

A: Most of the instrumentation components of UV-Vis and fluorescence spectroscopy are same. But some…

Q: Henry titrated 50.00 mL of 0.25 M formic acid with 0.50 M LIOH. Formic acid is monoprotic and has a…

A: we have to calculate the pH of solution after addition of LiOH

Q: 1 NaOH Halobenzenes that do not have electron-withdrawing groups can still undergo substitution…

A: Aromatic nucleophilic substitution reactions proceeds through Benzene mechanism require strong base…

Q: You need to control the pH of a solution at 4.5 You have solid citric acid (pKa1= 3.13, pKa2=4.76,…

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Q: What is the pH when Carlee adds 100.0 mL of 1.0 M HNO3 to the 50.0 mL of 2.0 M methylamine? CH3NH₂…

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Q: predict the reaction type (single or double displacement)  -- predict the names and states of the…

A: Given that, Copper metal + aqueous zinc nitrate

Q: The average bond order is the number of bonds between two atoms taking into account resonance. Draw…

A: A Lewis structure is based on the concept of the octet rule, in which atoms share electron so that…

Q: 1. Draw structures of the following compounds: a.…

A: Determination of structure from name : First we have to find the the longest chain carbon number…

Q: H 1. KMnO4, NaOH, A 2. dil. H₂SO4, H₂O 1. KMnO4, NaOH, A 2. dil. H₂SO4, H₂O Zn(Hg) HCI

A: An alkaline solution of potassium permanganate(KMNO4) is known as Baeyers reagent.It oxidises…

Q: Calculate the molarity of a solution prepared by dissolving 22.46 grams of LiF (OR Li F) to total…

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Q: An aqueous glucose solution of unknown concentration is found to have a freezing point of -0.452oC.…

A: The formulae for the glucose is C₆H₁₂O₆ The freezing point of the glucose solution  = Tf  = -0.452°C…

Q: . could there be secondary product? B. Indicate why mud crystal is used in the reaction.

A: 2 A.  No there will be no secondary product. This reaction is stereospecific reaction and only one…

Q: 1. KCN 2. H₂O*

A: Two questions are asked in the given question but due to company policy I am supposed to answer only…