Consider the following equilibrium system: PCI5(9) PC13(g) + Cl₂(g) A 10.00 L evacuated flask is filled with 0.4163 mol PCIs(g) at 297.5 K. The temperature is then raised to 503.5 K, where the decomposition of PCIs gas takes place to an appreciable extent. When equilibrium is established, the total pressure in the flask is 2.46E atm. What is the value of the equilbrium constant terms of concentrations, Kc, at 503.5 K? Kc =

Q: Which among the following situations favors crystalline precipitate formation? Explain.   a.…

A: Here we have to predict the favorable conditions at which crystallization occur.

Q: 1. Type the chemical symbol for the new element (X) formed from the alpha capture reaction of ²⁰⁹Bi…

A: Answer: Both the mentioned reactions are nuclear reactions where nucleus of the parent element is…

Q: Convert 5.0 x 103 mL to Liters

A: Given : Volume = 5.0×103 mL

Q: Calcium forms a face-centered cubic crystalline structure with a density of 1.55 g/cm3. What is its…

A:

Q: 2. Given the reaction, UO₂ (g) + 4 HF (g) → UF4 (g) + 2 H₂O (g), predict the effect each of the…

A:

Q: - Volume to molecules. A human red blood cell has an average volume of about 90 femtoliters.…

A: i ) Here volume of cell is given in femtoliters, so first we need to convert volume to mL (…

Q: What is an azeotrope? Can azeotropes be separated using simple distillation? Why or why not?

A: Azeotrope :

Q: If a pharmacist dissolves 1.2 g of a medicinal agent in 60 mL of a cough syrup having a specific…

A: Given, mass of medicinial agent = 1.2 g volume of cough syrup =  60 mL specific gravity = 1.20

Q: 2. Ammonia (NH3) is used for fertilizers. How many molecules of NH3 are in 0.334 q NH3? present

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

Q: Calculate the each initial CONCENTRATION for Pb(NO3)2 and KI before filling-out this chart. (Refer t…

A: Given: Mass of each salt dissolved = 0.331 g Volume of each solution = 100 mL = 0.1 L Molar mass of…

Q: The volume of a classroom is 721 m3. What is the volume of that classroom in ft3?

A: Here we are required to convert the volume in the unit of m3 to volume in ft3.

Q: this mercury manometer if ssure is 783 mmHg? mmHg gas

A:

Q: A mixture of helium and neon gases at 235 K contains 3 times the number of helium atoms as neon…

A: Answer: Ideal Gas equation: PV=nRTP=nVRT Here: P=pressure of the gasV=volume of the gasn=number of…

Q: 49. The thermal decomposition of acetaldehyde, CH,CHO-CH+CO, is cond-order reaction. The following…

A:

Q: Provide the most stable (lowest energy) chair conformation of fluorocyclohexane.

A:

Q: CaCl 2(aq)+K2CO3(aq)CaCO3(s)+2KCl(aq)  3g of K2CO3 2g of CaCl2                **Precipitate is…

A:

Q: Determine the mass in the given amount of substance. Show or explain your work. 5.25x1025 atoms of…

A:

Q: Claim: Light is a wave Evidence: Enter your answer here Reasoning:

A: Light is an electromagnetic wave , it possesses dual character that is wave and particle nature.

Q: 10.32 Calculate the [OH] of each aqu following [H3O+]: Hom word s a. oven cleaner, 1.0 X 10-¹2 M b.…

A: We know that -> [H3O+] [ OH-] = 1 × 10-14

Q: If a pharmacist combined 50-mL portions of three syrups having specific gravities of 1.10, 1.25, and…

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

Q: I don't know how you got the answer, can you plz do the math step by step.

A: Recall the given reaction,                    CH3CO  →  CH3  +  COActivation energy for the…

Q: F. Electron-Dot Formulas and Shape Formula 1. Electron- Dot 2. Number of 3. Electron- Formula…

A: we have to complete the table of electron dot formula and shape for the molecules  H2O SF2

Q: O₂(g) effuses at a rate that is ratco rate Kr times that of Kr(g) under the same conditions.

A:

Q: The sawhorse projection shown below depicts this molecule in a specific conformation. Draw a Newman…

A:

Q: The balanced equation below describes one method of making AlCl. 5.40 grams of Al and 5.33 grams of…

A: Aluminum reacts with chlorine to form aluminum chloride. The equation for the balanced chemical…

Q: 3. Draw direction vectors in an FCC unit cell for the following cubic directions and list the…

A: The explanation is given below-

Q: НН a) Cl-c-c-Br Н Н OH H-C-H H-C-OH d) НО-С-Н H-C-OH НО-С-Н H-C-OH OH 9) b) e) H CI H Br-c-c-c-CI H…

A: Chiral carbon is carbon which contains all four different group or atoms .

Q: E) Your instructor will first, pour~ 2ml of dilute HCl(aq) solution into a small test tube and will…

A: Neutralization reaction =  The reaction in which acid reacts with base to form salt and water is…

Q: Select all the statements that are true regarding the flowchart shown below. Mixture of three…

A: Here we are required to separate  the benzoic acid, ethyl 4 amino benzoate ,9-fluorenone.

Q: D Question 2 Which of the following is a strong acid? a. HNO₂ b. HCIO2 C. HBrO d. HCIO3 e. H₂SO3 O a…

A: Given acids: HNO2 HClO2 HBrO HClO3 H2SO3 We have to find a strong acid among them.

Q: following chemical equation: eacts in basic water to form chlorite and chlorate according to the…

A:

Q: 6) What is the density of NaCl given that and rci = 181pm. Show your calculations below. rNa+ =…

A:

Q: The pH of vinegar is 3, baking soda is 9, bleach is 13, and tomato juice is 4. Therefore baking soda…

A: Given: The pH of vinegar = 3 The pH of baking soda = 9  The pH of bleach = 13 The pH of tomato juice…

Q: Butane (C4H10) is the liquid fuel in lighters. How many grams of carbon are present within a lighter…

A: Given data : Volume of butane = 7.25 mL Density of butane = 0.601 g/mL Molar mass of carbon = 12.01…

Q: Using the data in the table, calculate the rate constant c this reaction. Macmil A+B C+D k = (

A:

Q: True or False: One mole of an element has the same number of atoms as one mole of any other element.

A:

Q: Determine the product(s) in the reaction below. A. D. A and C E D с CI OH + HCI B. OH E. B and C CI…

A: Here the reaction is a nucleophilic substitution reaction. Cl- acts as a nucleophile and the Spiro…

Q: O Macmillan Learning Write the balanced net ionic equation, including the phases, for the given…

A: Since, Balanced reaction means that both side number of atom present in equal number. For write…

Q: where did the 10^10 come from

A: The typical rate of "dustfall" from unpolluted air  = 10 tons per square mile per month.

Q: There are eight chirality centers in the following molecule. Identify each asymmetric carbon atom by…

A: Stereochemistry is a branch of chemistry that deals with the spatial arrangement of atoms and groups…

Q: CHT RI

A: Note: According to our guidelines we are supposed to answer only one question with first three…

Q: Determine the [H3O+], [OH-] and pH for a 0.2 M solution of H2SO4.

A: Given, Concentration of H2SO4 solution = 0.2 M [H3O+] = ? [OH-] = ? pH = ?  Note: H2SO4 is a strong…

Q: A student wants to standardize their thiosulfate solution with KIO3. They needed 20.65 mL of S₂O3²-…

A: Answer:- This question is answered by using the given chemical equations. Firstly using the…

Q: Cyclohexane structures can have two chair conformations. Draw the alternate conformation of the…

A: In this question, we will draw the chair flip structure for the given cyclohexane derivative..  When…

Q: Which chemical composition has Lowest content in OPC Alumina Silica Limestone or chalk Clay or shale…

A: OPC refers to Ordinary Portland Cement. Ordinary Portland Cement (OPC) has greater resistance to…

Q: F. Electron-Dot Formulas and Shape Formula 1. Electron- Dot 2. Number of 3. Electron- Formula Group…

A:

Q: Which of the following mixtures will be a buffer when equal amounts of each are dissolved in a liter…

A:

Q: 2. What is the overall charge on the side chain of aspartate when one quarter (25%) of the side…

A: Aspartic acid has an acidic side chain (CH2COOH) which reacts with other amino acids, enzymes and…

Q: Hydration of cement is due to chemical action of water with Tetra calcium Aluminoferrite Tricalcium…

A: Cement contains Tricalcium silicate, Dicalcium silicate,Tricalcium aluminate, Tetracalcium…

Q: Answer the following questions regarding the first order decomposition of dinitrogen pentoxide at…

A: