write T if underlined word iscorrect, write the correct answer if false   1. Graphene can be found in graphite crystals using the scotch-tape method.   2. The first ever periodic table was presented by Henry Mosely.   3. Innovations in household gadgets involve major automation.

Q: Listen In an aqueous solution of ammonium nitrate, NH¼NO3, which intermolecular forces are present? ...

A: Intermolecular forces   Intramolecular forces are the forces that hold atoms together within a  mole...

Q: Determine the concentration of hydronium ions, hydroxide ions, the pH and the pOH of 0.0500M aqueous...

A: We have to calculate the concentration of hydronium ions, hydroxide ion, pH and pOH of the solution....

Q: GIven the following Salinity (S) and Freezing Temperature F tables we can expect for a salinity of 2...

A: From the table we can see clearly as the salinity is increasing freezing temperature is decreasing.

Q: redict the ground‑state electron configuration of each ion. Use the abbreviated noble gas notation. ...

A: The atomic number of Ru is 44 and atomic number of W is 74

Q: Construct the expression for Kc for the following reaction. 3 NO(g) = N20(g) + NO2(g)

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Q: Using the data in the table, calculate the standard entropy changes for the following reactions at 2...

A: Calculate entropy of the given reaction by using the table values--

Q: C. 8.12 d. 3.44 e. 5.28 3. Determine the solubility of the ions that is calculated from the Ksp for ...

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Q: Which best describes a neutral atom? Group of answer choices no protons and electrons more electrons...

A: Neutral atom Neutral Atom can be define as an atom having net electrical charge equal to zero. An at...

Q: Write Short paragraph about heterogeneous coloidal solution.

A: A colloid is a heterogeneous mixture in which dispersed particles have an intermediate size of solut...

Q: Al(OH),(s) + HCI(aq) - AICI, (aq) + H,0(1) C. Calculate the number of grams of AICI, and the number ...

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Q: (b) What is the value of E if the concentration of Cd²* is 5.88 x 10° and the concentration of Mn²* ...

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Q: A solution of HCIO, was standardized by dissolving 0.3745 g of primary-standard-grade HgO in a solu-...

A: We will first find moles of OH-, then calculate concentration of HClO4 to find molarity.

Q: Pre-lab questions 1. The stock concentration values cannot be used as the initial concentrations for...

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Q: Which of the following statements about the quantum atom are true? Select one or more: O a. The cent...

A: The correct option are as follows:  

Q: In a mass spectrometer with an electron ionization source (EI) does the mass of an ion affect its ve...

A: Electron ionization (EI) is known as electron bombardment ionization in which energetic electrons in...

Q: 3-(a) Write out the full electron configuration of Calcium (Ca). (b) How many electrons are in the n...

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Q: How many electrons are exchanged in the completed reaction Ba (s) + Al(NO3)3(aq)

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Q: Consider a sample of gas that contains 625 moles of smokestack gas. How many molecules of SO, are co...

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Q: does the substituent F __ have an electron withdrawing-effect, or a electron-donating effect?

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Q: 3. An fcc structured crystal, which area has the most Miller index of atoms per unit area?. Calculat...

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Q: A water solution contains 10 mM HCO3 and 0.2 mg/L CO,2-. We also know the solution pH is 8.5. Please...

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Q: Consider a three-level laser system. The wavelength for an absorption from level A to level C is 477...

A: We will draw diagram and then using it calculate required wavelength.

Q: Predict the products for each of the following reactions and propose a mechanism that explains the f...

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Q: 6. Draw CrCl2(OH2)4 + , CrCl(OH2)5 2+, and Cr(OH2)6 3+ by hand indicating the correct 3D geometry. ...

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Q: Predict the products for each of the following reactions and provide an explanation for the stereoch...

A: Diels-Alder reaction : is a reaction between diene and dienophile gives a six membered cyclic ring. ...

Q: What is the rate at which Br(aq) disappears in the reaction below if the rate of disappearance of Br...

A: Rate of disappearance of BrO3^- = 0.047 M/s = -∆[BrO3^-]/∆t     

Q: CH, CH3 CH2-CH3 CH,-C-CH-CH-CH2 CH3 CH2-CH-CH, CH3 d) CH2-CH3 CH;-CEC-CEc-CH-CH-CEc-CH3 CI e) CH3 CH...

A: Since  you have posted multiple subpart question, we will answer the 3 subparts (d,e,f) for you. Kin...

Q: Propose a reasonable synthetic route for the following transformation. Remember that RSA is always a...

A: Retrosynthetic analysis(RSA): RSA is a synthetic technique in which a target molecule is disconnecte...

Q: Consider the followin two equilibria occurring simultaneously in solution. Methyl orange:   Hin(aq ...

A: Common ion effect: The effect of an ion an equilibrium when it is already present in the solution, i...

Q: When 1,4-dimethylcyclohepta-1,3-diene is treated with HBr at elevated temperature, the 1,2-adduct pr...

A: We have find out why 1,2 adduct product is predominant.

Q: Multiply the following and express your answer in appropriate scientific notation, and a correct num...

A: The given equation - - > = (1.9*10-38)*(1.8*10-43) = 3.42 * 10(-38-43) = 3.42 * 10-81  

Q: What is the concentration of an HCI solution with a pH = 2.487

A: pH of HCl solution = 2.487  Concentration of HCl solution = ? 

Q: PROBLEM 3 Consider a Si sample under equilibrium conditions, doped with Boron to a concentration 101...

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Q: In preparation of cola, 2.50 mL of the original sample was taken and diluted to 100 mL resulting to ...

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Q: What is the equilibrium concentration (in M to three decimal places) of HBr for the following reacti...

A: In ICE table, I is initial concentration,                     C is change in concentration          ...

Q: Question 3 Calculate the amount of heat absorbed by 10.0 grams of ice at-15.0°C as it is converted t...

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Q: 13. Given the following thermochemical equation: Mge) + Clag MgCl, + 642 kJ (5) What is the AH for t...

A: Given- Mg + Cl2-> MgCl2 +642 kJ

Q: AH = - 1.2 kcal/mol; Kp = 16 nM ОН 1 HO AH = - 6.0 kcal/mol; Kp = 76 nM OH 2 AH = - 5.5 kcal/mol%; K...

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Q: When a 18.1 mL' sample of a 0.361 M aqueous nitrous acid solution is titrated with a 0.418 M aqueous...

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Q: Consider the following [4+4] cycloaddition process. Would you expect this process to occur through a...

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Q: Suppose that 3.0 mmol N2(g) occupies 36 cm3 at 300 K and expands to 60 cm3. Calculate dG for the pro...

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Q: The activation energy of an uncatalyzed reaction is 95 kJ/mol. The addition of a catalyst lowers the...

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Q: A water tower containing 4000 m³ of water that contained an initial concentration of free chlorine o...

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Q: Decide whether the following molecules are mesocompounds. Draw the plane of symmetry

A: Where plane of symmetry or center of symmetry present that is meso compound.

Q: What is the balanced chemical equation for the aromatic bromination of Acetanilide using green reage...

A:

Q: AH = - 1.2 kcal/mol; Kp = 16 nM %3D OH 1 HO AH = - 6.0 kcal/mol; N. Kp = = 76 nM OH 2 करले HOl. AH =...

A: Biological macromolecules are involve in many reaction. Any organic drug is designed to bind with it...

Q: You need to create 25 mL of a 1% aqueous solution of a sweeteners.  How many grams of solute do you ...

A: A 1% solution is weight/volume (w/v%) . The is a common method to represent concentration of a solut...

Q: The activation energy, Ea, for a particular reaction is 19.4 kJ/mol. If the rate constant at 80 °C i...

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Q: Provide the reagents necessary to synthesize the following molecule. Ph > Me Me

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Q: Every 0.5 mL of reducing solution consists of 60 mg sodium borohydride (MW = 37.833 g/mol) dissolved...

A: 90 mg of sodium borohydride were added in total.