[ D determine the energy change with the titration from n=3 to n=2 in the hydrogen atom.

Q: Calculate the increase of entropy (in J/K) when 33 g of ice melts at 0 °C and 1 atm. (The heat of…

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Q: Calculate the ph of a solution prepared by mixing 20mL of 0.25M h3po4 (ka1 = 7.11 x 10^-3, Ka2 =…

A: For H3PO4: moles H3PO4 = Molarity x Volume in liters = 0.25 M x 0.02 L = 0.005 moles Since H3PO4…

Q: Cobalt ions form the complex ion hexaaquacobalt(II), [Co(H₂O)6]2+, with water molecules. In the…

A: The question is based on the concept of Le-chatlier principle.    It States that when a system at…

Q: In a routine Volhard analysis, a student dissolved a 1.2319-g sample of her unknown in 100 mL of…

A: The question is based on the concept of volumetric analysis. we have to quantitatively estimate…

Q: How much heat is needed to convert 325 g of water at  -18.0 °C to water at 100.0 °C?

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: B. Determine the pressure, volume, or temperature of a gas under a certain set of changing…

A: To solve this problem we have to use the Boyle's law  Which is given as  P1V1 = P2V2  where ,  P1 =…

Q: Question 12 What is the number corresponding to the stationary state located between n = 3 and n =…

A: Since, For representation of electron in an orbital we use four type of quantum number-- 1)Principle…

Q: Draw a mechanism for the following reaction: Br finish structure e t-BUO t-BuO

A: This is an example of bita elimination reaction. The tBuO- group act as a base and the Br group of…

Q: For the reaction NO₂(g) + SO₂(g) → NO(g) + SO3(g), AH° = -41.8 kJ. How will the equilibrium…

A: LeChatelier's principle: When factors like concentration, pressure, temperature, inert gases that…

Q: ering ml?courseld=17811238&OpenVellumHMAC=b94d174c19a5844d71332d5a687205ef#10001 urse Home Course…

A: Structural isomers are molecules that have the same chemical formula but differ in the arrangement…

Q: Write a balanced equation for the combustion of decade.

A: Since, Balanced reaction means that both side number of atom present in equal number. Thus,

Q: Calculate the ratio [C6H5NH2]/[C6H5NH3+] if the solution has the following pH value. (Assume that…

A: It is based on the concept of buffer solution. Here we are required to find the ratio of…

Q: 5. All of the following word equations represent double displacement reactions. Complete the word…

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Q: Determine the number of moles in 15.8g of nitrogen dioxide (NO_(2)). Calculate the number of grams…

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Q: Determine E°cell for the following reaction and indicate whether the overall reaction would take…

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Q: nemist adds 240.0 mL of a 6.5M silver nitrate (AgNO3) solution to a reaction flask. Calculate the…

A: Molarity is defined as number of mole of substance divide by volume of solution in liter

Q: Fluoride anion and hydronium cation react to form hydrofluoric acid and water, like this: F (aq) +…

A: Answer: Value of equilibrium constant KC will be equal to the ratio of molar concentrations of…

Q: Question 1 A bicycle, car and truck are traveling down the street at the same speed (15 miles/hour).…

A: By using De-Broglie equation, λ= hm.v For same velocity,  wavelength varies inversely with mass.…

Q: A 8.00 mL ampule of a 0.150 M solution of naphthalene in hexane is excited with a flash of light.…

A: we have to calculate the percentage of naphthalene molecules that emit photon

Q: What is the correct name for the following molecule? OH (E)-3-chloro-2-ethyl-1-hydroxypent-2-ene…

A: According to the IUPAC nomenclature, First longest chain of carbon atom is identified. Numbering is…

Q: 6. Using hard-soft concepts, indicate (by circling) whether the following reactions will have an…

A: This is a qualitative concept which deals with ways on how acids and bases interact with each other.…

Q: Identify each of the following properties as more typical of an organic or Drag the appropriate…

A: Given -  Here some properties are given and we have to find out either it in organic type or…

Q: Upon reaction of 2.548 g of copper sulfate with 3.094 g of iron metal, 0.784 g copper metal was…

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Q: 18. Which quantum number describes orientation of orbitals in space? A. Principal quantum number B.…

A: 18) Magnetic quantum number represent orientation of orbital in space . principal quantum number…

Q: Give the most stable conformation for the following

A: In the given compound, Cis-1-Chloro-2-tert-butylcyclohexane, the tert-butyl group is a heavy group…

Q: How many moles of sodium hydroxide would have to be added to 225 mL of a 0.349 M nitrous acid…

A: Given data is  Volume of nitrous acid solution= 225 mL  Molarity of nitrous acid solution= 0.349 M…

Q: Please help me with the following 1) sketch a phosphodiester bond 2) Make the two amino from the…

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Q: What is the pH of a buffer that results when 4.40 mole of H3PO4 is mixed with 2.08 moles of NaOH and…

A: H3PO4 is a weak acid. It can form a buffer system with strong base NaOH. The pH of any buffer system…

Q: 2. Calculate the pH of a solution when the acetic acid is 1M with acetate at 0.5M. CH₂COOH Û CH,COO…

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Q: Provide the major organic product of the reaction below. 0504 H₂O₂

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Q: A neutral solution of water at a particular temperature has a concentration of OH⁻ of 2.3 × 10⁻⁷ M.…

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Q: 4. A certain gas sample has a volume of 10.00 L at 300 K at constant pressure, the volume increases…

A: Initial volume = 10.00 L initial temperature = 300 K final volume = 25.00 L final temperature = ?

Q: The reaction N₂O4(g) 2NO₂(g) has a Kp = 0.140 at 25 °C. In a reaction vessel containing the gases in…

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Q: A student dissolves 11.5 g of ammonium chloride (NH4C1) in 200. g of water in a well-insulated open…

A: we have to complete the given table with respect to the given reaction

Q: Isooctane (C8H18) is one of the many hydrocarbons that make up gasoline.  Write a complete balanced…

A: Given ->  Isooctane (C8H18) is one of the many hydrocarbons that make up gasoline.  a).Write a…

Q: H₂SO3(aq) + CsOH(aq) → Express your answer as a chemical equation. Identify all of the phases in…

A: This question is related to chemical reactions. A chemical reaction is feasible when  no extra…

Q: To make a buffer with acetic acid (Ka = 1.8 X 10 5M) with a pH of 5, what would the ratio of Acetate…

A: Given, Ka value of acetic acid = 1.8 × 10-5 M pH of the solution = 5 Acetate ion : Acetic acid (A-1:…

Q: 9. The specific heat capacity of helium gas is 5.300 J/g °C. How many kilojoules of heat are needed…

A: To solve this problem we have to calculate the amount of heat release or need.

Q: A chemist prepares a solution of potassium chloride (KCl) by measuring out 0.60 g of KCl into a 100.…

A: Given Mass of KCl = 0.60 g Volume = 100 ml

Q: A cyanide solution with a volume of 13.38 mL was treated with 28.00 mL of Ni²+ solution (containing…

A: Given :-  Volume of EDTA required for original Ni2+ solution = 38.84 mL = 0.03884 L  Molarity of…

Q: Determine the mass of Na₂HPO4 and the volume of 0.450 M HCI solution required to make 1.30 L of a…

A: Answer: Buffer solution is a type of solution that resists the change in its pH on adding small…

Q: Zn(s) + NO3-(aq) ⟶ NH4+(s) +  Zn2+(aq) Solve the following redox reaction in acidic conditions

A: Answer:- This question is answered by using the simple concept of balancing the redox reaction using…

Q: 1. Ethanol (C₂H5OH) is produced from the fermentation of sucrose (C12H12011) in the presence of…

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Q: Draw a reasonable mechanism for the following elimination reaction, assuming it takes place via an…

A: GIVEN

Q: When K, is very small, the reaction favors the formation of reactants. O will be favored by lower…

A: When kc is very small, the reaction is..  Answer of the question is given below with explanation.

Q: How many peaks would each compound show in their 13C NMR spectrum?  a) eucalyptol  b) linalool

A: Each unique carbon gives one peak in 13C-NMR. So, the number of peaks in 13C-NMR equals to the…

Q: Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the…

A: Ba(CHO2)2 is a salt of strong base Ba(OH)2 and weak acid HCHO2 In aqueous solution, Ba(CHO2)2 → Ba+2…

Q: 2. Use the activity series to predict if the following reactions will occur. If not, write NR. If…

A: ♦ The metal activity series is used to predict whether a metal displacement reaction will occur or…

Q: Calculate the volume in liters of a 1.87 × 105 mol/L zinc oxalate solution that contains 700. mg of…

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Q: 4. How does the saliva in the chewed gum affect the % sugar in bubble gum, higher or lower? ( s)…

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