Q) When 3.0 mol O2 is heated at a constant pressure of 3.25 atm, its temperature increases from 260 K to 285 K. Given that the molar heat capacity of O2 (g) at constant pressure is 29.4 J K- mol calculate q, AH, and AU.

Q: smallest? Mg2+ Sr2+ Be2+ Ca2+ Which of the following is the best Lewis structure? :0=Si -0: ö=o= O A…

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Q: Half a milliliter of concentrated HCI (6) with a density of 1.18 g/ml was taken and diluted to 2…

A: Given,  Volume of HCl in mL = V1 = 0.5 mL  Density of solution = 1.18 g/mL  This solution of HCl is…

Q: Identify the most stable chair conformation of the most stable isomer of 1,4-diethylcyclohexane. II…

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Q: 2. What is the solubility of lead (in pM) for solid Pb(OH)2 in a sample of water containing 2.4 x…

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Q: 1.Does O3+2H++2e-> O2+2H2O release more heat in comparison to O2+4H++4e-> 2H2O. Explain in great…

A: #1:  The standard reduction potential for the two reduction half-reactions are: O3(g) + 2H+ + 2e-…

Q: Question 13 Which of the following is an example of a homogenous mixture? O a chocolate chip cookie…

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Q: Main eondihon which w satisfy to give meari fuf solution c Eigen fuuction) must Dhetailed. puysical…

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Q: Consider the following dissociation reaction of iodine at 1000 K: 2(g) = 21(g) The following data is…

A: Solutions                              Given that Consider the following dissociation reaction of…

Q: Based on what Gwen observed, what is most likely the identity of the first solid that formed during…

A: The solid was formed during reflux, which means it was a high melting solid.

Q: Question #1. Which of these chemicals would require the use of Roman numerals in its name?   PbCl2…

A: Inorganic compounds can be defined as the compounds that do not carbon hydrogen bonds and are not…

Q: What is the maximum mass of gallium bromide that can be formed when reacting 41g of gallium with 38g…

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Q: In the open ended manometer (open to the atmosphere) pictured below, what is the pressure of the gas…

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Q: Draw the structure of fulvic acid chelated with Pb²+ at pH 8.0.

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Q: Ad8hosyl methionine, abbreviated SAM, is formed from the amino acid methionine and adenosine…

A: Methionine is amino acid which reacts with Adinosine triphosphate.

Q: Sample consisting of 3.00 mol of diatomic perfect gas molecules at 200 K is heated reversibly at…

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Q: Calculate the molality of an aqueous solution of 1.22 M sugar (C12H22O11) solution (density of…

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Q: 2) Al + HCl - AICI, + H2 Fe,(SO4); + Ba(OH),→ BaSO, +. Fe(OH), Cu CUSO,→ Al,(SO,); + Al+

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Q: hint: direct alkylation by 'BuX is not favoured

A: Organic reactions are those in which organic reactant react to form organic products.

Q: Section A: Starting from two different substrates (substrates with different functional groups),…

A: Starting from two different Substrate to propose a product that is given below in question .

Q: 4G.. 14:34 What type of interaction would you expect between the R groups of the following amino…

A: Amino acid are building block of protein. Amino acid contain carboxyl group, one amino group and one…

Q: Activity 1.1 Determining the four quantum numbers of an atom Directions: Give the complete set of…

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Q: physical siguihicance 8 4 and 42. in more thain 300 wordf

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Q: If the intensity of radiation from a radioactive sources is 7.5 units at a distance of 6.9 m, how…

A: Given: Intensity at 6.9 m distance = 7.5 units. And the intensity is 0.38 units finally at a…

Q: Flame Atomic Absorption Spectroscopy (FAAS) method is selected due to its wide applicability for…

A: Spectroscopy is based on the interaction between light and matter.Atomic absorption spectroscopy is…

Q: Chemistry Prepare the following compound using mechanism of Biginelli's reaction mechanism. Ar NH…

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Q: With the aid of diagrams Explain how you would apply crystal field theory to explain why the five…

A: Crystal field splitting energy is defined as energy difference between two set of orbitals.

Q: Question 12: Split injection in GC entails that some of the eluate from the column is split off and…

A: D

Q: Question 30 Which of the following statements about buffer solutions is FALSE? O A buffer is…

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Q: An otherwise empty flask with 1.40 atm of N2O5 gas is allowed to decompose at a constant high…

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Q: Consider the following reaction: 2A + 5B ⇌ 3C + 3D The average rate of appearance of D is given by…

A: The coefficient of reactant and product are divided in rate of  disappearance and appearance .…

Q: What is the volume (in L) of (2.11x10^-1) g of argon gas if the pressure is (4.0800x10^2) mm Hg and…

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Q: Choose the correct equation for the reaction of Sa0, with I. 2 S,0, (aq) + 2I;(aq) - 4F (aq) + S,0.…

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Q: Question 10: What technique should Gwen use to collect the final product that forms? gravity…

A: Analytical chemistry is branch of chemistry in which we use instruments and methods used to…

Q: Cleavage of C2H6 to produce two CH3· radicals is a gas-phase reaction that occurs at 700 °C. This…

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Q: interpret this graph and its microscopic view. (Calorimetry)

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Q: 5. An enzyme catalyzes the reaction M = concentration of 1 nM, and the Vmax is 2 µM s-1. The Km for…

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Q: A student measured concentrations of potassium ions in the solutions using flame photometry and…

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Q: 21. Based on the reduction potential values, which of the following is most easily reduced? A) Cl²…

A: Here is a direct relationship between reduction and reduction potential.  The compound which has…

Q: O MODULE-4-ALKANES.pdf + O File |…

A: Since you have posted a question with multiple sub-parts,we will solve first three sub-parts for…

Q: Explain how entropy relates to building and breaking of large molecules.

A: Given statement is :  Explain how entropy relates to building and breaking of large molecules.

Q: The density of an aqueous solution that is 20.8% by mass of XY3 (molar mass = 58.43 g/mol) is1.14…

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Q: What is the percentage of ionization of 0.1 mo of formic acid (HCOOH)^5 . If you know that the value…

A: Given: Concentration of HCOOH = 0.10 M

Q: For each of the following compounds, decide whether the compound's solubility in aqueous solution…

A: Solubility of CaCl2  changes with pH. It increases with increase in pH. So solubility of CaCl2 is…

Q: A volume of 10 mL of an unknown hydrochloric acid sample was diluted to 100 mL. The diluted solution…

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Q: For a certain reaction changeH֯ =-83.5 kJ and changeSͦ =-148 j/K. If the values of changeH֯ and…

A: Answer: Given data: ∆H°=-83.5kJ∆H°=-83500kJ ∆S°=-148J/K

Q: Give a specific application of electrochemistry in our daily lives with its concept principles…

A: The answer is attached below-

Q: 6. A sample of nitrogen gas has a volume of 3.0 L at 25 degrees Celsius and 720 torr. What would the…

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Q: Explain the would be effects (if any) of the following considerations: a. Water sample was made to…

A: In MODIFIED WINKLER METHOD , 1. If we leave the water overnight, We may get error result. As we…

Q: Consider the following equilibrium: 2CO2 2C0+ O2 The equilibrium constant, K, for this process is…

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Q: 22. pxygen binds to hemoglobin in which state? Plnation onh BinastoT stak= RState state b. R state…

A: Please find the below attachment.