At 15 °C, the value of Kw is 4.5 x 10-15. What is the equilibrium concentration of OH- at this temperature?

Q: What is the diagram of the born haber cycle of cesium oxide?

A: The Born-Haber cycle is a theoretical model that helps explain the formation of ionic compounds,…

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A: Given information: Mass of SO3 gas = 3.5 g Mass of SO2 gas = 4.6 g Mass of N2 gas = 18.4 g Mass of…

Q: 3) A buffer was made using 0.10 moles of A- and 0.010 moles of HA, to form 1.00 L of solution. If…

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A: pseudoephedrine hydrochloride (a quaternary ammonium compound)  is more water soluble because it is…

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Q: E. Devise a synthesis for the target molecule from the given starting material. You may use any…

A: The question is based on the concept of organic synthesis.  we need to synthesize the product using…

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Q: Write the complete electron configuration for the common monatomic ion formed by the element sulfur,…

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Q: Are these equations right? The work on the top page of the second picture, came from the second…

A: ♧ Molar concentration or molarity is defined as the moles of solute per liter of solution.…

Q: Use the following equilibrium. H2(g) + CO2(g)  H2O(g) + CO(g)    K = 16.0 The initial partial…

A: H2(g) + CO2(g) ⇌ H2O(g) + CO(g)    Equilibrium constant (K) = 16.0 Initially Partial pressure of H2…

Q: A 5.71 g sample of graphite was heated with 69.3 g of O₂ in a 8.00 L flask. The reaction that took…

A: •Given:- Graphite:- 5.71 gm O2 gas = 69.3 gm => We have to total pressure after completion of…

Q: When exactly one mole of chrysene, C18H12(s) is burned at 25°C in a calorimeter, ΔE = -8942.6 kJ.…

A: Answer: Bomb calorimeter is a constant volume calorimeter, therefore the energy exchange calculated…

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Q: Consider this metal complex: □ Br Br Complex 4 Now decide whether each complex in the table below is…

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Q: Which acid has a lower pH? O 1 M acetic acid 0.8 M acetic acid 0.5 M acetic acid 0.3 M acetic acid…

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Q: Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed…

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A: Since, Electronic configuration represent the electron present in orbital in which way. Arrangement…

Q: What is the major organic product of the following reaction sequence? a) 1 b) 2 c) 3 d) 4 NaH 2 2 当我

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Q: Determine the value for ΔSsurr for the following reaction at 40.0°C. 2 CO(g)  +  O2(g)  →→  2…

A: Given reaction: 2 CO(g)  +  O2(g)  →  2 CO2(g)     ΔHorxn = –566.0 kJ  We have to find ΔSsurr.…

Q: At a certain temperature, 0.4811 mol of N₂ and 1.601 mol of H₂ are placed in a 3.00 L container.…

A: Since,Equilibrium constant or Kc is the ratio of the equilibrium concentrations of product over…

Q: Use the References to access important values if needed for this question. For the following…

A: To solve this problem we have to use the stoichiometry of the given chemical reaction

Q: 0.178 mole sample of solid NaX is dissolved in 275 mL of water in an insulated container at 23.7°C…

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Q: How much work is done on (or by) the gases in each of the following at 298 K and 1 atm? Indicate…

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Q: What are the line-angle structures for the following? a)…

A: The line-angle structures Rule   1 . Carbon atom not labelled.  2.  Hydrogen atom on carbon not…

Q: 12. Which compound will have the smallest R, on a TLC plate using silica gel (SiO₂) as the…

A: 12. We know that, Retention factor is the ratio of the distance travelled by solute to the distance…

Q: Write the electron configurations for the following ions using spectroscopic (spdf) and orbital box…

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Q: Give the name of the major organic product formed by the organic reaction of 2 molecules of…

A: Reaction between 2 molecules of 1-propanol ( alcohol) and 1 molecule of phosphoric acid.

Q: Significance of your results: Titanium is also commonly anodized, but does not need to be dyed to…

A: First reaction :             Ti2+ aq + 2 e- ↔ Ti s…

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A: Answer:- This question is answered by using the simple concept of chemical reactions of organic…

Q: A student dissolves 12.3 g of ammonium chloride (NH4C1) in 200. g of water in a well-insulated open…

A: Given, The mass of the NH4Cl = 12.3  g Mass of the water = 200 g The molar mass of the NH4Cl = 53.5…

Q: Calculate the molar solubilities for aluminum hydroxide, Al(OH)3, Ksp = 2 × 10-32, in a buffer…

A: Molarity of acetic acid = 0.300 M Molarity of sodium acetate = 0.300 M pKa of acetic acid = 4.74 Ksp…

Q: If C (s, graphite) + O2(g)-> CO₂ (8) AH°rxn = -394 kJ and C (s, diamond) + O₂(g)--> CO₂ (g) AH…

A: The thermochemical equations can be treated as algebraic equation which can be added,  subtracted,…

Q: 1. Determine how many moles of potassium dichromate (K₂Cr₂O₂) are required to make 250 mL of a 0.10…

A: 1. M1V1=M2V22.∆T= K m n3. % mass =grams soluteGrams solution4. Molarity = molesL5.Molality…

Q: (a) (i) State which of the following molecules may show a pure rotational microwave absorption…

A: A question based on molecular spectra is given. Few molecules are given that are to be distinguished…

Q: Consider the titration of 100.0 mL of 0.200 M acetic acid ( K₂ = 1.8 x 10-5) by 0.100 M KOH.…

A: According Bartleby instructions if there is more than 3 subparts, I have to solve maximum 3…

Q: During Size exclusion chromatography, if VT = 30 mL, Vs = 15 cm3 , and VL = 15 mL, Vi is     7 mL…

A: Here VT = 30 mL, Vs = 15 cm3 , and VL = 15 mL,

Q: Consider the transformation below: OH is is OH HO HO Which reagent, between NaBH4 and LiAlH4, would…

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Q: A 2.879-gram sample of hobbitine is dissolved in water to form a total of 248.71 grams of solution.…

A: Given, Mass of hobbitine = 2.879 g. Total mass of solution = 24871 g. The change in temperature of…

Q: Sketch the titration curve for the titration of 85 mL of 0.40 M A− (Kb = 3.9 ✕ 10−7) with a 0.40 M…

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Q: An iron–sulfur protein in Complex III donates an electron to cytochrome c1. The reduction…

A: FeS (ox) + e– → FeS (red)       Ɛ°' = 0.280 V cyt c1 (Fe3+) + e– → cyt c1 (Fe2+)   Ɛ°' = 0.215V

Q: Describe the preparation if 500 mL of 0.0740 M CI2 solution from solid BaCI2 2H2O (244.3 g/mol).

A: To prepare 500 mL of 0.0740 M CI2 solution from solid BaCI2 2H2O, you would need to follow these…

Q: Trial 1 2 3 2Li(s) + O2(g) [Li] (M) 1.50 3.00 3.00 What is the overall order for the reaction above?…

A: We have to find out the overall order for given reaction.

Q: Calculate Kp for the reaction 2NOCI(g) reaction is 2.1 x 10-². A) 2.1 x 102B) 1.7 x 103 C) 0.70 D)…

A: The equilibrium constant in terms of concentration and terms of partial pressures of an ideal gas…

Q: At 25 °C, the equilibrium partial pressures for the reaction 2A(g)+B(g) ----C(g)+2D(g) were found to…

A: Since, Equilibrium constant or Kp is the ratio of the equilibrium partial pressure of product over…

Q: Figee 8-3 H D Br CH300 5N2 А. в. но Н D OCH3 ОСН3 UN D H D. с.. ocits ....D 'H н DH D ОСН3

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Q: 25.0 mL of a weak base is titrated with 0.708 M solution of HCl. The equivalence point is reached…

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Q: Balance the following equations. (Use the lowest possible whole-number coefficients. These may be…

A: (a) ClO3− (aq) + As (s) + H+ (aq) + H2O (l) ⇌ HClO (aq) + H3AsO3 (aq) + H+ (aq) + H2O (l) (b) MnO4−…

Q: Consider the reaction between H3PO4 and NH3 to produce (NH4)2HPO4. (a) What mass of ammonia would…

A: Reaction is  H3PO4 +  2 NH3 → (NH4)2HPO4 In this reaction 1 mole phosphoric acid react with 2 mole…