1. Complete the following reactions. OH он

Q: 22. What is the effective nuclear charge (Zeff) that acts on the valence electrons of antimony (Sb)?…

A: Zeff is easily calculated by using Slater's rule. Zeff=Z-σ

Q: Co is used in radiotherapy and has a half-life of 5.26 yr. How long does it take for a sample of 0…

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Q: You are comparing two coordination complexes that have the same molecular shape and central metal…

A: Answer: When the ligands approach the central metal ion to donate its electron pair and forming a…

Q: What is the pH of a 0.470 M solution of pyridine if Kb = 1.5x10^-9?

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Q: lonic compounds and organic compounds usually undergo spontaneous chemical reactions, depending on…

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Q: Which of the following statements is/are TRUE about the Calorimetry experiment?         I. The…

A: following statements are TRUE about the Calorimetry experiment -         I. The reactions were kept…

Q: Question 5 What chemical reactions occurring in the ozone layer allow it to remain stable? Chlorine…

A: We have to tell about the chemical reactions that occuring in the ozone layer that allows it to…

Q: In the preparation of benzil, if the reaction conditions are too basic then a secondary reaction may…

A: Given is the secondary reaction of benzil to benzilic acid.

Q: pH of the solution that results when 20.0 mL of 0.175 45.0 mL with distilled water.

A: Givrn, Ka(Formic acid) = 3.74 M1 = 0.1750 M Volume (V1) = 20.0 mL V2 = 45.0 mL Using dilution law,…

Q: A solution was prepared with 0.318 mol of pyridinium fluoride (C,H,NHF) and enough water to make a…

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Q: When 22.0 mL of a 6.90×10-4 M magnesium sulfate solution is combined with 15.0 mL of a 3.89×10-4 M…

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Q: 11. Which statement properly describes the differences between a real gas and an ideal gas? The…

A: In this question, we have to choose the statement which describes the differences between a real gas…

Q: (d) Consider the titration of 30.0 mL of 0.050 0 M piperazine with 0.300 M HCI. Calculate the pH at…

A: Here 30 ml of 0.05 M piperazine is titrated with 0.3 M HCl . We have to determine the pH of solution…

Q: Given a 1.00 L solution containting 1.00 x 10^-2 M each of Ca2+ and Ag+. A 1.00 M Na2CO3 solution is…

A: Given that Concentration of Ca+2 = 1.00 × 10–2 M Concentration of Ag+1 = 1.00 × 10–2 M Ksp of CaCO3…

Q: For the reaction: C (s) + CO2 (g) ⇌ 2 CO(g) Kp = 167.5 atm at 1000°C. What is the partial pressure…

A: Given, C (s) + CO2 (g) ⇌ 2 CO(g) Equilibrium constant (Kp) = 167.5 Temperature (T) = 1000°C Partial…

Q: ΔΗ In which phase boundary is the equation, P = P* + In, applicable? Δν A. Solid-liquid boundary B.…

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Q: The formation of Br2 from Br- was done by electrolyzing 1.0 M KBr solution between two Pt…

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Q: Table A.1. Lucas Test for Alcoholic Groups. Check the box that represent the condition when a…

A: Lucas reagent :- A mixture of concentrated HCl and anhydrous ZnCl2 is known as Lucas reagent

Q: gasoline (C8H18) in a car engine, results in a large amount of energy released as heat. 2 C8H18 (l)…

A: Entropy is the degree of randomness and disorder.  As number of gaseous moles in product are higher…

Q: 0.750 M KOH(aq) is added to a 100.0 mL 0.500 M CH3COOH/NaCH3COO buffer. What is the expected pH of…

A: Given pKa = 4.74 Molarity of Acid = 0.50 M Molarity of salt  = 0.50 M Volume of buffer = 100 mL Mmol…

Q: What is the temperature in K of 0.500 mole of neon in a 2.0O L vessel at 4.32 bar? R = 0.08314 L·…

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Q: 1. Identify the SYSTEMATIC name of the aliphatic hydrocarbon a. 1-pentenyicyclopentane b.…

A: "To get remaining sub-parts solved please repost the complete question and mention the sub-parts to…

Q: 1. Calculate the pH of a solution prepared by dissolving 2.13 g of picric acid, (NO2);C6H2OH (229.11…

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Q: . If 45.0g of H20 react, how many moles, grams and molecules of H3PO. are produced PCIS H2O H&PO.…

A: Recall the reaction, PCl5 + H2O -----> H3PO4 + HCl  mass of H2O= 45.0 g molar mass of H2O = 18 g…

Q: A 25 mL sample of 0.20 M trimethylamine (CH3)3N (Kb=7.4x10-5) was titrated with 0.10 M HCl.…

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Q: Arrange the following according to increasing boiling point.

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Q: You want to make 500 mL of a 0.20 M HA buffer with a pH of 5.25 using 1 M HA and and 1 M NAOH. What…

A: Answer: Buffer solution is the type of solution that on adding small quantities of acid and base…

Q: Why is a boiling stone used when solvents are heated to boiling point?

A: Boiling stones are small pieces of black porous rock that are added to solvent or solution.

Q: rite the balanced nuclear equation for each of the processes described belca 1. positron emission of…

A: For all the given reactions, there will be either change in atomic number or mass number or change…

Q: Click in the answer box to activate the palette. Complete the following nuclear equation by…

A: In this question, we have to complete the following equation by identifying X.

Q: Consider the following reaction between iodate and iodide ions. 10, (aq) + 5 I (aq) + 6 H* (aq) → 3…

A: The rate of a reaction can be increased by,  • Adding a catalyst -  A catalyst decreases the…

Q: Write a complete and balanced redox equation for the synthesis of the coordination compound. Use…

A: here we are required to write the complete balanced redox reaction for the synthesis of iron(III)…

Q: + KNO, → NâNO, + RUH KOH CH, + 0, → Co, + 2 H0 on Fe + Caso + Mg(OH) NH OH + HBr 3 HÓ + NH BI NaBr →…

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Q: 10.0 g NHẠNO3(s) word in 120.0 ml water in 'n koffiekoppie opgelos. In die berekening van die warmte…

A: Given that Volume of water (solvent) = 120.0 mL Mass of solute NH4NO3 = 10.0 g

Q: Consider the following reaction at equilibrium: 2NH; (g) 2 N, (g) + 3H, (g) Le Châtelier's principle…

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Q: - 1 attachment - Which one of the following substances will have hydrogen bonding as one of its…

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Q: The kinetics of a reaction are observed to be third-order. The least likely mechanism   a. involves…

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Q: What would be the density (in g/L) of a sample of N2 gas at 70.0 °C and 2.50 atm of pressure?

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Q: Which of the following molecules would be the least polarizable? O CH3CH3 O SİH3SİH2SİH3 O SİH3SIH3…

A: Here we have to predict the molecule which is least polarizable.

Q: Explain why 162g of NaOH is dissolved in 150 ml water and how dissolving 54.5mL dilutes it to 1N…

A: In this question 162 gm NaOH is dissolved in 150ml water.

Q: Indicate whether the following changes would have no impact or would perturb the equilibrium. If so,…

A: Dear student since you have asked a question which has multiple subparts but according to guidelines…

Q: How much heat will be transferred when 14.928 g of ammonia reacts with excess O2 if the enthalpy of…

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Q: Given the Rf of four spots in a normal phase paper chromatography, which of the following is the…

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Q: 56FE + ža on + 2Fe

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Q: A sample of argon has a volume of 1.20 L at STP. If the temperature is increased to 22.0°C and the…

A: Note: At STP, Temperature = 0.0°C Pressure = 1.0 atm Given, Initial Pressure (P1) = 1 atm Volume…

Q: 235U + 92 on 140 Ва + 56

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Q: What volume (in L) of 0.246 M HNO3 solution is required to react completely with 38.6 mL of 0.0515 M…

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Q: Given the cell notation Pt /Cl2(g)/Cl¯(aq) // Zn+2(aq)/Zn. How long, in seconds, will it take for…

A: Given-> Weight of Zn =1.000 gm Atomic mass of Zn = 65.38 gm Current (i) = 2.000 ampere

Q: 10. A solution of nitrous acid has a pH of 2.10. What is the concentration of nitrous acid in this…

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

Q: lonic compounds and organic compounds usually undergo spontaneous chemical reactions, depending on…

A: 1. lonic compounds and organic compounds usually undergo spontaneous chemical reactions, depending…