Calculate the characteristic rotational constant for H₂ molecule. Given: The internuclear distance is 74.17 pm. 88.34 92.68 97.15 81.77

Q: how many grams of magnesium

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Q: electron moves with a speed of 7.5 x 105 m/s. What is the de Broglie wavelength in nanometres?

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Q: Calculate the number of unsaturations in: a. C8H12O3 b. C14H22BRNO C. C10H22N₂O d. C16H32Br2O3 e.…

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Q: SH SH HS OH La H₂C CH 3 Enantiomers Geometric Isomers H3C SH OH Skeletal Isomers Non-isomers…

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Q: 4. A mixture containing only BaO (FW 153.33) and CaO (FW 56.08) weighs 2.00g. The oxides are…

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Q: 2. At 450 °C, the Kp for the reaction N2(g) + 3H2(g) + 2NH3(g) is 4.5 x 10-5. Indicate whether the…

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Q: Question 30 ed Adding 1.00 g of benzene C6H6 (78.1 g/mol) to 80.0 g of an organic solvent lowers the…

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Q: 1. A chemist dissolved 0.08346g of SrCl2 (FW 158.53) and treated it with excess AgNO3 (FW 169.87) to…

A: Given that -  Mass of SrCl2 = 0.08346 g  SrCl2 formula weight = 158.53  AgNO3 formula weight =…

Q: If you said it was possible to calculate the cell voltage, do so and enter your answer here. Round…

A: Given that, a chemist designs a galvanic cell that uses these two half-reactions: Half-reaction…

Q: Determine the Kb of a 0.125M solution whose pOH is 2.7

A: Given,  A 0.125M solution whose pOH is 2.7. The Kb of the solution is:

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Q: 2. Calculate the entropy change, AS', for the following reactions and determine if its entropy…

A: The answer is given-:

Q: Using the following data determine the reaction order and rate constant for the reaction:  H2CO3(aq)…

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Q: 0.360 g sample of an organic compound containing carbon, hydrogen, and oxygen was burnt in excess…

A: Mass of the compound = 0.360 g  Mass of oxygen + Mass of Hydrogen + Mass of Carbon = 0.360 g

Q: Tony wants to have an oxygen tank. A 5.00-liter oxygen gas exerts a pressure of 1.00 atm. How much…

A: Which one of the following is correct answer

Q: 29. SYNTHESIS! Propose a multistep synthesis for the following transformation. Use the starting…

A: Propose a multistep synthesis for the following transformation.

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Q: A solution containing 5ppm KMnO4(F.W.159) has a transmittance of 0.360 measured in 1 cm cell at 500…

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Q: Part C For Kr at 273 K at 1 atm, k = 0.0087 J.K¹m¹s¹. Determine the collisional cross section of Kr.…

A: Given data : Cv,m = 3/2 R Gas constant (R) = 8.314 J/mol.K Temperature (T) = 273 K k = 0.0087 J.…

Q: The equilibrium constant changes with changes in the temperature.

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Q: 30. SYNTHESIS! Propose a multistep synthesis for the following transformation. material provided…

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Q: Identify the significant absorption stretches for the following IR spectrum

A: Given Identify the significant absorption stretches for the following IR spectrum

Q: A mixture containing only AgCl (FW 143.32) and AgBr (FW 187.77) 2.000g. It is quantitatively reduced…

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Q: A 0.480-g sample of a gaseous compound occupies 367 mL at 45 °C and 365 mmHg. Which of the following…

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Q: Where does ammonia separate from water?

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Q: Global warming refers to unusual increased of the Earth's temperature due to the greenhouse gases…

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Q: What type of chromatogtaphy (RPLC, NPLC, HILIC, SEC, IEX) could be used for analyzing monosodium…

A: The answer is attached below-

Q: Ni(CO)4(g) → Ni(s) + 4CO(g)

A: The given equilibrium reaction is: Ni(CO)4g⇌Ni(s)+4CO(g)

Q: Carla and her friends were tasked with determining the heat of reaction for the neutralization of…

A: Given: Concentration of NaOH = 1.00 M Volume of NaOH = 2.00 mL Concentration of HX = 1.00 M Volume…

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Q: 3. Which atoms in the following reaction undergo changes in oxidation state? Which one is oxidized…

A: Oxidation occurs when a reactant loses electrons during the reaction. Reduction occurs when a…

Q: 31. SYNTHESIS! Devise two multistep syntheses the same target compound. Limitations: One synthesis…

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Q: For the reaction below, which change would cause the equilibrium to shift to the right? Tick all…

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Q: A chemist designs a galvanic cell that uses these two half-reactions: half-reaction 210₂(aq)+12…

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Q: Part 2: 33g Na₂SO4 Step 1: mass to moles Molar mass of Na₂SO4 = 33g Na₂SO4 + molar mass of Na₂SO4 =…

A: Given: Mass of Na2SO4 = 33 g Known: Molar mass of Na = 23 g/mol Molar mass of S = 32 g/mol Molar…

Q: OH Br₂ dil. HNO3 acetic anhydride KOH HCI/Fe n-BuBr acetic anhydride

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Q: Determine whether an example is spontaneous process (SP) or a non-spontaneous process (NSP). 1.…

A: 1 spontaneous  3. melting of ice spotaneous    4. ball rolling downhill spontaneous

Q: The geometric structure of the methane molecule (CH4) is: None of the above answers Cubic Spherical…

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Q: The time of diffusion of an ideal is ___________ to the square root of density. directly…

A: Graham's law of diffusion gives the relationship between rate of diffusion of an ideal gas with…

Q: The separation of molecules within a gel is determined by the relative size of the pores formed…

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Q: 0. Explain why the bond angles in BCl3 and NCI3 are different.

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Q: In the following reaction, which is the salt? HBr + NaOH > H2O + NaBr Select the correct response:…

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Q: Consider the equilibrium, 2A + B  C . At equilibrium, the following concentrations are measured:…

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Q: Which alkylating agent(s) should be used for the acetoacetic ester synthesis of methyl isobutyl…

A: Solutions Hence option (B) is correct answer 2-Bromopropane

Q: CH3 CH3 心心 ·Br Cl Br CH3 Br d, C. H3C H Br H OH CH3 CH3 CH3 e. 士人人 CI CI- ||||| Cl HO CH3 CH3 CH3 a.…

A: ->If configuration is  reversed these are enantiomer . ->If configuration is same then these…

Q: The rate law of the overall reaction is k[A][B]0. Which of the following will not increase the rate…

A: 10. Option B  is correct as the reaction is of 0 order with respect to reactant B so increasing…

Q: 17. Provide all four products for steps i-iv. i. NaH, DMF ii. CH3CH₂Br iii. NaOH, H₂O iv. H₂O*, heat…

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Q: 5. What mass in grams of CO₂ (FW 44.01) is evolved in the complete decomposition of a 2.700g sample…

A: A 2.700 g sample contains 38.0 % MgCO3 and 42.0 % K2CO3 undergoes complete decomposition to evolve…

Q: F CH || CH,CH–C−H CH3 O CH3–CH–CH–C−H Cl Cl

A: Given,