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Q: Determine the Coulombic (NJ) and exchange energies (Ne) for the following electron configuration: Nt...

A: πc= coulombic energy and πe = Exchange energy  opposite spin in a orbital have coulombic energy  and...

Q: Molecular weight = W amu

A: mass of vasopression = 20.8 mg volume of solution = 100 mL osmotic pressure = 3.55 mm Hg T= 298 K To...

Q: Show your all work

A: The 4 quantum numbers are  1) Principal quantum number (n) = shell number or orbit number  2) Azimut...

Q: (b) Identify the carbon atoms in the following molecules as primary (1°), secondary (2°), tertiary (...

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Q: an aqueous solution of ethanol, C2H5OH, is 19% ethanol by mass and has a density of 0.97 g ml ^-1. C...

A: Assuming 1 L i.e 1000 mL of solution. Given : Mass percent of ethanol = 19 % And density of solution...

Q: Question 3 If you spill some of the hydrochloric acid on the table during the reaction of hydrochlor...

A: In calorimeter, we determine the heat of the reaction. The heat of the reaction depends on the numbe...

Q: An aqueous solution contains 0.589 g of dextran in 106 mL of solution at 21°C. It has an osmotic pre...

A: Given : Osmotic pressure = 1.47 mm Hg  Mass of dextran = 0.589 g Volume of solution = 106 mL = 0.106...

Q: The density of a liquid is (8.9700x10^2) g/m3. How many L of this liquid would have a mass of (5.85x...

A: Given, Density = (8.9700x10^2) g/m3 Mass = (5.85x10^0) pounds =  2653.51536 grams

Q: CH3 Fischer Projection Br CI Wedge-and-Dash Diagram CH3 H- Br Br Fischer Projection H3C

A: From newmamn to Fischer projection we should put right group in right left in left  From Fischer to ...

Q: How would you prepare 69.5 g of an aqueous solution that is 5.00% potassium iodide, KI, by mass? Mas...

A:

Q: (4) The amount of oxalic acid in a sample of 3+ rhubarb was determined by reacting with Fe as outlin...

A: We should equal equivalent of both acid and Fe+3 ion to get mass of oxyliac acid  Equivalent = molar...

Q: How many micrograms are there in (5.41x10^4) picograms?

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Q: Draw the correlation diagrams, predict ground state molecular electronic configurations, and determi...

A: In order to solve this question we will draw the molecular orbital theory of each of the given speci...

Q: Determine the point group for the following molecule: 2- II C Zn żn. ル三C- N. CEN C川

A: The collection of symmetry elements of any geometry is known as the symmetry point group of that geo...

Q: Can i get help with these problems

A: The key point here is that the larger substituent has to occupy the equatorial position.

Q: 2. Circle the best answer, of the italicized words, when considering the following reaction: 2 HNO3(...

A: a. Exothermic reactions are those which release energy that means enthalpy change of the reaction ha...

Q: What is the mass in grams of NO that can be formed from 4.30 moles of NO₂ in the reaction below? 3 N...

A: The chemical reaction,3NO2(g)+H2O(g)→2HNO3(g)+NO(g)and number of moles of NO2 = 4.30 molewe are aske...

Q: On a brisk walk, a person burns about 334 Cal/h. If the brisk walk were done at 3.2 mi/h, how far wo...

A: According to the question, A person burns 334 cal in 1 hour and if that person wants to burn 1 lb bo...

Q: Which sketch represents an orbital with the following set of quantum numbers: n = 3, I = 1, and m = ...

A: n=3 principal quantum number l=1 angular momentum quantum number ml=0 magnetic quantum number

Q: Table 1: Calorimeter Heat Capacity Measurements Trial 1Trial 2Trial 3 50.0050.0050.00 50.0050.0050.0...

A: Given: let the density of water be 1 g/mL specific heat of water = 4.184 J/g.oC   Trial-1 Trial-2...

Q: 5. How large would a molecule have to be before you would not be able to see individual atoms in the...

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Q: 21.9) An element has an atomic number of 45 and a mass number of 109. Using your determination as to...

A: An element that has an atomic number of 45 has 45 protons and with a mass number of 109, it has (109...

Q: Why does hammering a piece of sheet metal cause the metal to heat up?

A: Metal are the substance which allows to pass current through them. Metals are good conductor of elec...

Q: Which of the following sets of compounds di we expect to have the same boiling point? ČI or

A: Boiling point means required energy to break the bond  Boiling point increase as the attraction incr...

Q: potassium hydroxide + magnesium nitrate. molecular equation  complete ionic equation  net ionic equa...

A: The chemical formula of magnesium nitrate =Mg(NO3)2 The chemical formula of potassium hydroxide=KOH ...

Q: What do we call the ions that do not form a new product but are in the solution as aqueous ions iden...

A: They are called as Spectator ions because they do not participate directly in the reaction . They ex...

Q: label each of the following chiral centers R or S. Please explain how you came to this answer.

A: m)

Q: Sulfur trioxide is produced when sulfur is burned according to this equation: 3 So +-0, 2(g) → SO, 3...

A: Given:

Q: 2. Circle the best answer, of the italicized words, when considering the following reaction: 2 HNOS(...

A: As we can observe in reaction ∆H is positive so reaction is endothermic we have given energy in the ...

Q: Chemistry Question

A:

Q: A 1.59g sample containning KI was analyzed gravimetrically and .0538g of barium iodate was recovered...

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Q: How would you synthesize allyl ketones and diketones starting from acetoacetic ester?

A: Both synthesis involves the following steps : 1. Deprotonation of dicarbonyl α-carbon 2.  Resonance ...

Q: Give the common name of the following compounds:

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Defining the partition coefficient as the concentration ratio of a substance in an organic solvent t...

A: Given : Kp organic/water = 5.3  And Kp organic/water = [Subsance]organic layer[Substance]aqueous lay...

Q: Characterize the chemical shown below in terms of polarity and volatility. Assume a pH of 7. The str...

A: The given chemical contains the polar bonds. The electronegativity of oxygen and nitrogen is higher ...

Q: Gasoline is primarly a mixture of hydrocarbons and is sold with an octane rating that is based on a ...

A: Vapor pressure is defined as the pressure of vapors present on the surface of liquid at a particular...

Q: 6. A solution that contains 58.7 g of an unknown compound in 187.9 g of water freezes at -7.39 ᵒC. W...

A:

Q: A solution is made by dissolving 35.5 g of Ba(NO₂)₂ in 500.0 mL of water. Using Kb(NO₂⁻) = 2.2 × 10⁻...

A: Ba(NO2)2 is a salt which is mixture or strong base or weak acid so use pH of salt formula to get ans...

Q: Use the image to answer the three questions. A B C D 1. What reagent was used for the test above? 2....

A: 1. Fehling Test: The Fehling test is used to identify among the carbohydrates. This reagent includes...

Q: A sample of neon of mass 425 mg occupies 6.00 dm3 at 77 K. What pressure does it exert?

A:     Ideal gas equation:                                                      PV = nRT where, P= pres...

Q: Chrome is plated from solutions of chromium(III) ions. If a particular application requires 13.7g of...

A: Given : Mass of Cr produced = 13.7 g And time = 90 min = 90 X 60 = 5400 s                           ...

Q: Given the data: 1. Mass of test tube + MNO² = 21.5403g                       21.5403g 2. Mass of the...

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Q: How to solve the following: 1.) In 1990, the remains of an apparently prehistoric man were found in ...

A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...

Q: The density of a liquid is (1.27x10^0) g/cm3. If you weigh out (5.180x10^0) kg of this liquid, how m...

A:

Q: What point groups result from the combination of two mirror planes oriented at 90° with respect to o...

A: Point group tells about the symmetry within a molecule. The following symmetries can be present with...

Organometallic Compounds of s- and p- block elements

Organometallic compounds have a minimum of one bond between a metal compound and a carbon atom. Metalloid elements such as silicon, tin, and boron form organometallic compounds which can be utilized in a few commercial chemical reactions.