Using the models below, show your work to derive the relationship between d and r in each unit. Distances d and r must be clearly marked in the models. pc ❀ Your work fcc Your work OTAL POINTS PARTid= bcc Your work

Q: For H2 molecules at 25 °C, Calculate the (a) the mean speed, (b) root mean square speed (c) most…

A: To solve this problem will using the formula

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Q: Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium…

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Q: Magnesium oxide can be made by heating magnesium metal in the presence of oxygen. The balanced…

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Q: For the reaction 2Sr(s)+O2(g)→2SrO(s) calculate how many grams of the product form when 21.4…

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Q: In a titration experiment, how does the error in the standardization of NaOH affect the accuracy in…

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Q: 1. Assuming the the uncertainty of +/- 1 in the last digit , what is the relative uncertainty in ppt…

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Q: A solution containing a monoprotic weak acid (HA) that is 7.98% dissociated was found to have a pH…

A: We can calculate all values using percent ionisation and pH value.

Q: At a certain temperature the following reactions have the constants shown: S(s) + O₂(g) = SO₂(g) Kc…

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Q: The K₂ of a weak monoprotic acid is 1.51 x 10-5. What is the pH of a 0.0914 M solution of this acid?…

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Q: Which do you expect to have a more intense and concentrated “hot spot” of negative charge: methoxide…

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Q: Chemistry When 248. mg of a certain molecular compound X are dissolved in 65.0 g of benzene (CH),…

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Q: ΙΠΠ If two atoms of two different elements have the same number of valance electrons, 22 what does…

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Q: REAGENTS 0.10 M KI 3% H₂O₂ H₂O MIXTURE #1 15.0 mL 10.0 mL 35.0 mL MIXTURE #2 15.0 mL 20.0 mL 25.0 mL…

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Q: The equilibrium constant, Kp, has a value of 6.5 × 10−4 at 308 K for the reaction of nitrogen…

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Q: Sodium hydrogen carbonate (NaHCO,), also known as sodium bicarbonate or "baking soda", can be used…

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Q: the concentration of TCE at standard conditions (0oC and 1 atm) is 15 μg/m3 , what is the…

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Q: Problem 4 - Atomic Bonds 1 Calculate the force of attraction (in N) between a cation with a valence…

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Q: You have a solution of HIO3 with a mass percentage of 15.8% m/m and a density of 1.101 g/mL. You…

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Q: Sulfur and Fluorine react in a combination reaction to produce sulfur hexafluoride: S (s) + 3F2 (g)…

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Q: Some measurements of the initial rate of a certain reaction are given in the table below. [N₂] [H₂]…

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Q: In this experiment, we will be making our own solutions. We first make a stock solution. Then we…

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Q: Water is added to 68.0 mL of a 1.50 M solution to give a volume of 218 mL. 109 mL is taken from that…

A: Given, Concentration of stock solution (M1)=1.50 M Volume of stock solution (V1)=68.0 mL Volume of…

Q: Calculate the molality of a solution formed by adding 9.40 g NH4Cl to 16.3 g of water. molality:

A: Mass of NH4Cl = 9.40 g Molar Mass of NH4Cl = 53.5 g/mol Mass of water= 16.3  g = 0.0163 kg

Q: how many molecules of O2 must react with 16 molecules of HBr. Equation: 4 HBr + O2→ 2 Br2+ 2 H2O

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Q: ОН ОН ОН ош.... ОН

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Q: Explain why oil and water do not mix in terms of solubility.

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Q: To make 1.50 L of 0.100 M NaCl from a 2.96 M stock solution, you would need to take  mL of the stock…

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Q: True or False: The process of cooling down is endothermic, and therefore, requires heat.

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Q: Question - 7: Which labelled proton is acidic? Explain the reason with the help of structures? ц Н Н…

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Q: Consider the following reaction between sulfur trioxide and water: SO3 (9) + H₂O (1)→ H₂SO4 (aq) A…

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Q: Given the reactant Br−Br, add curved arrows to show homolytic bond cleavage, then draw the expected…

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Q: Given these masses of elements found in a sample of a compound: 15.27 grams Ca, 4.57 grams C, and…

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Q: 3.1 Which functional group is not found in oxycodone? Lo OH H oxycodone (a) ketone (b) ether (c)…

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Q: The thermite reaction, Fe2O3 + Al → Al2O3 + Fe produces so much heat that the Fe product melts. a.…

A: a) Given :-  The given thermite reaction is Fe2O3 + Al → Al2O3 + Fe…

Q: Some measurements of the initial rate of a certain reaction are given in the table below. [N₂] [H₂]…

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Q: -1 S 14. A second-order reaction is found to have a rate constant of 3.14 × 10-2M-¹ s-¹ at 305 ˚C.…

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Q: 10. A multi-step reaction involving hydrogen peroxide and iodine anion is thought to have the…

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Q: Decreasing the temperature of a reaction will cause fewer collisions, resulting in faster reaction…

A: According to the Arrhenius equation,                              K= A e-Ea/RT K=Rate constant , A=…

Q: isomeric relationship?

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Q: Why do phospholipids spontaneously form a bi-layer in water? O The non-polar head group and the…

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Q: Study the diagram below and put the steps in the proper order. Nuclear Power Plant Reactor 2 3 Steam…

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Q: NH₂ CHO + ပုံ-ပုံ OH OC2H25 4-aminophenol Acetic Acid EtOH 4-(dodecyloxy)benzaldehyde PC12CHO…

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Q: 4. Provide a rough sketch and explain the proton NMR spectrum that you would expect for the…

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Q: 1. Calculate the concentration of the 3% H₂O₂ in moles/liter. Assume the density of this solution to…

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Q: A 32.64 g sample of a compound is found to contain 14.68 g carbon, 2.47 g hydrogen and 15.49 g…

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Q: a silver spoon with a mass of 111gm is submerged in 25.4 ml of water and the volume changed to 36.0…

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Q: What is the volume in liters of water that would be required to fill an aquarium that is 20.0 in…

A: Given: Length = 36.0 in Breadth = 20 in Height = 16.9 in

Q: A solution of HNO3HNO3 is standardized by reaction with pure sodium carbonate.…

A: To determine the molarity of the HNO3 solution and the absolute uncertainty associated with it. The…