Compute the lattice energy of na2o

Assignment Help Chemistry
Reference no: EM13170614

Calculate the lattice energy of Na2O for the following data:

Ionization energy of Na(g):::495kj/mol

Electron affenity of O(g) for 2e-:::603 kj/mol

Energy to vaporize Na(s):::109 kj/mol

O2(g) bond energy:::499 kj/mol

Energy change for the reaction 2 Na(s) + 1/2 O2(g)---->Na2O(s)

Reference no: EM13170614

Questions Cloud

Write thermochemical equations for the decomposition : Write thermochemical equations for the decomposition of one mole of sodium fluoride into the elements in their stable states at 25 degrees celcius at 1 atm.
Calculate an approximate value for avogadro number : Iron crystallizes in a body-centered cubic structure. The volume of one Fe atom is approximately 8.37 10-24 cm3, and the density of Fe is 7.874 g/cm3. Calculate an approximate value for Avogadro's number.
What is the mole fraction of water in the solution : Sucrose and glucose are nonvolatile. What is the mole fraction of water in this solution?
What is the value of x : 1.013-g sample of ZnSO4•xH2O is dissolved in an aqueous solution of BaCl2. The pure BaSO4 precipitate is filtered out of solution, dried, and its mass is determined to be 0.8223 g. What is the value of x in ZnSO4•xH2O?
Compute the lattice energy of na2o : Calculate the lattice energy of Na2O for the following data: Ionization energy of Na(g):::495kj/mol, Electron affenity of O(g) for 2e-:::603 kj/mol
What is the half-life of the material? : "A sample of a particular radioisotope is placed near a Geiger counter, which is observed to register 160 counts per minute. Eight hours later the detector counts at a rate of 10 counts per minute. What is the half-life of the material?"
Compute the mass of the solvent : Calculate the mass of the solvent (CCl4) in kg. Use the molality calculated in question 2 and the solvent mass calculated in question 3 to determine the number of moles of solute present in this solution.
Compute the molarity of the hcl : This is equal to the number of moles of HCL present in the 5.00mL of HCL delivered to the flask. Compute the molarity of the HCL.
Discuss the issues related to corporate governance : Discuss the issues related to corporate governance and the practices performed by an independent board of directors who act in a manner consistent with shareholders' best interest.

Reviews

Write a Review

Chemistry Questions & Answers

  Compute how many grams of atp must be produced to walk

Calculate how many grams of ATP must be produced to walk a mile. ATP synthesis is coupled to the oxidation of glucose (?Go' = -686 kcal/mol). How many grams of glucose are actually metabolized to produce this amount of ATP?

  Define what is its volume at the final temperature

A balloon with an initial volume of 3.8 L at a temperature of 305 K is warmed to 385 K. What is its volume at the final temperature?

  What is the molarity of the calcium ion

The average concentration of calcium ion in seawater is 412 mg of calcium ion per kg of seawater. What is the molarity of the calcium ion if the density of the seawater is 1.025 g/mL?

  What is the concentration

A urine sample contains 46.5mgL-1 of ethanol. The density of ethanol is 0.79gcm-3. What is the concentration expressed as %v/v

  How many milliliters of a 0.56 m hcl solution do you need

How many milliliters of a 0.56 M HCl solution do you need to obtain 0.0046 mol of HCl?

  What is the half-life of a compound

What is the half-life of a compound if 78 percent of a given sample of the compound decomposes in 45 min? Assume first-order kinetics.

  What is the number of moles of air

At 0.0oC, if the volume of air is 2.6 mL and the pressure of the atmosphere that day is 815 mmHg, what is the number of moles of air?

  What is the new volume of the oxygen

A 10 liter sample of oxygen 0.0°C and 15 cm. pressure is subjected to 150 cm. pressure at the same temperature. What is the new volume of the oxygen?

  Properties of subatomic particles

Properties of subatomic particles - Fill in the missing relative masses and relative charges for each of the subatomic particles

  Calculate what the limiting reactant

Calculate what the limiting reactant is in the reaction between copper (II) oxide and hydrochloric acid

  Calculate the mass of propylene glycol required

To obtain the same antifreeze protection requires 76 g of propylene glycol to replace each 62 g of ethylene glycol. Calculate the mass of propylene glycol required to replace

  What is the molarity of a solution

What is the molarity of a solution of 12.0 g of NH4Br in enough H2O to make 240 mL of solution?Answer in units of M.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd