Calcium oxide and carbon dioxide react to form calcium carbonate, like this: CaO(s)+CO,(g)→CACO3(s) At a certain temperature, a chemist finds that a 4.4 L reaction vessel containing a mixture of calcium oxide, carbon dioxide, and calcium carbonate at equilibrium has the following composition: compound amount 31.2 g CaO CO2 16.8 g CACO3 32.3 g Calculate the value of the equilibrium constant K for this reaction. Round your answer to 2 significant digits.

Q: Nickle has a face-centred cubic structure and has a density of 8.90 grams per cubic centimeter. The ...

A: The volume of single unit cell of Nickle can be calculated as

Q: What is the wavelength (in nm) of a photon if the energy is 7.27 x 10- 19 J? (h = 6.626 x 10 34 J• s...

A: Given :- energy of a photon = 7.27 × 10-19 J  h = 6.626 × 10-34 J.s  To calculate :-  wavelength of ...

Q: Suppose a 500. mL flask is filled with 0.90 mol of NO, and 1.8 mol of NO,. The following reaction be...

A:

Q: Write the pressure equilibrium constant expression for this reaction. NH,Cl(s)→NH3(9)+HCl(g)

A:  

Q: Refering to the figure below, Which of the three circled areas corresponds to the region with the fa...

A:

Q: what is the purpose of adding NaOH in xanthoproteic test

A: The role of NaOH in xanthoproteic test is given below

Q: What is one property of solids that makes them fundamentally different from liquids? I hat is one pr...

A: Property of definite volume and shape at given temperature make solids fundamentally different from ...

Q: Consider the following thermochemical reaction for kerosene: 2C12H16 (l) + 37O2 (g) → 24CO2 (g) + 2...

A:

Q: radiation having a wavelength of 0.0711 nm was used. A) Determine whether this metal's crystal struc...

A: all details are shown below.  

Q: 1 point Hydrogen sulfide, H2S, is a foul-smelling gas. It burns to form sulfur dioxide 2H2S( g) + 30...

A: Mass of hydrogen sulphide = 26.7g  Molar mass of hydrogen Sulphide = 34.0g/mol  

Q: What is the pK* in the average human blood serum which contains 18 mg of K+ per 100 mL?

A:

Q: Nitrous oxide, N,0, has a mass ratio of nitrogen to oxygen of 1.00:0.57. Determine the ratio by mass...

A:

Q: The force that holds the two atoms together is the attraction of the two nuclei attraction of an ato...

A: Choice 4th is correct.

Q: Three trials for this experiment had been conducted and the following are the masses of limiting rea...

A: Solution -

Q: A metal crystallizes in the face-centered cubic (FCC) lattice. The density of the metal is 21450 kg/...

A: Molar mass is the mass of 6.02 * 1023 atoms. To find the mass of one atom, molar mass must be divide...

Q: Column resolution is an indicator to identify the selectivities and efficiencies of the column abili...

A: Coloumn resolution is an indicator to identify selectivities and efficiencies of coloumn ability to ...

Q: What is the pH of a buffer prepared by dissolving 25.0 g of K2HPO4 and 25.0 g of KH2PO4 in 250 mL of...

A:

Q: Calculate the concentrations of Na+ and CO32- after mixing 1.00 L of 0.200 M NazSO4 with 2.00 L of 0...

A: Given: Concentration of Na2SO4 = 0.200 M Concentration of K2CO3 = 0.100 M Volume of Na2SO4 added = 1...

Q: Q12

A: moles of HF = molairty x volume (l) moles of HF = 0.25 x 1 moles of HF = 0.25 moles of NaF = 0.25 x ...

Q: SF, - Vibrational Modes v, 775 cm u 643 cm u, 948 cm B Doubly Degenerate weak Triply Degenerate very...

A: A question based on IR spectroscopy that is to be accomplished.

Q: Determine the pH c

A:

Q: Salt mixture: 2.64 g Mass of filter paper: 1.223 g Mass of filter paper and CaC2O4⋅H2O: 1.997 g M...

A:

Q: A saline solution, NaCl in water, is 0.92 % M. How many grams of NaCl are required to prepare 35.0

A:

Q: Carl, a laboratory analyst for a mining company determined that copper is 3.21% of the ore that he i...

A: The percent of copper in the ore is 3.21%.

Q: Consider a system with Hamiltonian operator A that is in a state , with energy Ex. where and k is th...

A:

Q: QUESTION 5 Ethyl alcohol, C2H5OH, is a water-soluble nonelectrolyte. A solution is prepared by addin...

A:

Q: Salt mixture: 2.64 g Mass of filter paper: 1.223 g Mass of filter paper and CaC2O4⋅H2O: 1.997 g M...

A: Limiting reactant is the one which is present is smaller amount in the reaction mixture and which de...

Q: a) List 3 limitations each of the following reagent/process: i) ii) Grignard reagent Friedel Crafts ...

A: List of three limitations of Grignard reagent and Friedel Crafts alkylation given below.

Q: A 3.682 g sample of K2CO3 is dissolved in enough water to give 375 mL of solution. What is the pK+ o...

A:

Q: Write a mechanism for the following reaction. он NANO2 HCI 0°C NH2

A:

Q: how to calculate delta H in this picture by using Excel program?

A:

Q: From attempting to find ΔG I’ve used the equation of ΔG=ΔH-TΔS. I found the change in temp and chang...

A: ∆H° for the reaction = -269.9kJ/mol or -269900J/mol ∆S° for the reaction = 11.6J/K  

Q: 2.21. Under the influence of oxidizing agents, hypophosphorous acid is trans- formed into phosphorou...

A: For reaction.,     H3PO2 ----------> H3PO3 (oxidising agent) We have to explain the observed kine...

Q: Broadening of Concept: 1. How partial pressure is determined in a mixture of gasses? 2. What will ha...

A: 1. How partial pressure is determined in a mixture of gasses? 2. What will happen to a gas when pres...

Q: Draw the structures of all the products formed when the compound below is dehydrated with: O., AICI3...

A: reaction

Q: Write the concentration equilibrium constant expression for this reaction. 2+ 2 Cul(s)+L,(aq)2 Cu (a...

A:

Q: What is the freezing point depression of a 1.50 m solution of sucrose in water? No need to include t...

A: Given :- molality of sucrose solution = 1.50 m  To be calculated :- freezing point depression

Q: Express the rate of the following reaction equation in terms of the rate of concentration change for...

A: Given :- 2SO2(g) + O2(g) → 2SO3(g)  To write :- rate of reaction in terms of concentration change fo...

Q: Need help labeling this IR spectrum chart for  Methyl m-nitrobenzoate! Please identify of any possi...

A: The structure of the following is:  

Q: a H d Select the correct stereochemistry for this molecule O R O s meso

A:

Q: Give the name of the structure shown O 1,2-dichlorobenzene o-dichlorobenzene O both names are correc...

A: Nomenclature of substituted benzene: 1) naming is done by placing the substituent as a prefix to the...

Q: When 1.006 grams of sucrose (Molar mass 342.3 g/mol) is burned in a bomb calorimeter, the temperatur...

A:

Q: Q.2: Discus the kinetics of addition polymerization reaction

A: Polymers are the macromolecules composed of smaller repeating units caller monomers and have high mo...

Q: 3. Tina bought a drink that consists of 2.00 g aspartame (C14H18N2O5) dissolved in 250 g H20. Aspart...

A: Given mass of aspartame = 2g mass of water = 250 g

Q: Identify these elements based on their locations in the periodic table. Give the symbol, not the nam...

A: Given,  period 6, group 1 (1A)  period 4, group 12 (2B) period 2, group 15 (5A)

Q: 2. Select the incorrect statement. A) B) C) D) w is positive when work is done on the system w = PAV...

A: Select the incorrect statement from the following :  A) w is positive when work is done on the syste...

Q: The graph below shows two titration curves: 40.0 mL of two different acids are titrated with 0.100 M...

A: Given: Two different types of acid being titrated with 0.1M NaOH.  To find: Which corresponds to str...

Q: You have a stock solution of 14.8 MM NH3NH3. How many milliliters of this solution should you dilute...

A:

Q: 11-15. MODIFIED TRUE OR FALSE A. FIRST statement is CORRECT, second is INCORRECT B. FIRST statement ...

A: Vanderwaal  forces   occurs in  All the molecules because  of the development  of polarity in Molecu...

Q: At a certain temperature the rate of this reaction is first order in NH, with a rate constant of 1.8...

A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical reacti...