Compute the heat of reaction

Assignment Help Chemistry
Reference no: EM13162542

The first step in the industrial recovery of zinc from zinc sulfide ore is roasting, that is, the conversion of ZnS toZnO by heating: calculate the heat of reaction (in kJ) if 15g SO2 was collected. Was heat absorbed or released? 2ZnS (s) + 3O2 (g) ----> 2ZnO (s) + 2SO2 (g)

Reference no: EM13162542

Questions Cloud

Which of the acids in the weak acid equilibrium constant : You add 1.00 g of a solid weak acid to 100 mL of water, then titrate with 0.100 M NaOH solution. The pH at the half equivalence point is 4.22. Which of the acids in the Weak Acid Equilibrium Constant table most likely matches your unknown?
Calculate total cost and average total costs : Calculate total cost and average total costs if demand is 450 per month and what happens to average total costs (ATC) when your production goes up from 250 to 450?
What mass of octane is consumed by the reaction of oxygen : When octane is burned in air, it chemically reacts with oxygen gas to produce carbon dioxide and water . What mass of octane is consumed by the reaction of of oxygen gas?
How many grams of zinc must react with sulfuric acid : how many grams of zinc must react with sulfuric acid in order to obtain 500mL of hydrogen at 20 deg c and 770 mm hg?
Compute the heat of reaction : The first step in the industrial recovery of zinc from zinc sulfide ore is roasting, that is, the conversion of ZnS toZnO by heating: calculate the heat of reaction
what is the total pressure in a cannister : what is the total pressure in a cannister that contains oxygen gas at a partial pressure of 804 mm Hg, nitrogen at a partial pressure of 220 mmHg, and hydrogen at a partial pressure of 445 mmHg.
Calculate the ph of the above mixture : b. Would the pH increases or decreases if the solution is disturbed by adding HBr?
Compute the entropy change for vaporization : Calculate the entropy change for vaporization of 18 g of H2O. The molar enthalpy of vaporization for water is 44 kJ/mol and the boiling point
What is crusoe island giving up in order to produce one unit : What is Crusoe Island giving up in order to produce one unit of fish and what is Yakamay Island giving up in order to produce

Reviews

Write a Review

Chemistry Questions & Answers

  Determine the volume of vinegar

Assume the density of the vinegar solution is 1.00 g/mL and 5.00% by mass acetic acid. Determine the volume of vinegar that can be neutralized with 25.0 mL of 0.100 M NaOH.

  What mass of iron is needed

What mass of iron is needed in order to supply the energy needed to warm 15.0mL of water (d= 1.00 g/cm3) from 23C to 37C

  Calculate the inner diameter of the tube in centimeters

a cylindrical glass tube 13.0 cm in length is filled with mercury. The mass of mercury needed to fill the tube is found to be 107.5g. Calculate the inner diameter of the tube in centimeters.

  Calculate the final temperature of the solution

A 14.0 g sample of CaCl2 is dissolved in 121 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C·..

  State design a reaction scheme to synthesize pentylbenzene

Design a reaction scheme to synthesize pentylbenzene from benzene using a Friedel-Crafts acylation and any other reaction

  Determine what would be its temperature after absorption

Determine what would be its temperature after absorption of 9.4 * 10-2 kWh of heat If 1.45 L of water is initially at 25.0 °C,?

  How many liters of gasoline would you need to buy

In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 23.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe?

  Compute the work done

Compute the work done when 55.0 grams of tin mixes in excess acid at the pressure of 1.00 atm and  at a temperature of 24°C.

  Define benzyl ethyl ether reacts with concentrated aqueous

Benzyl ethyl ether reacts with concentrated aqueous HI to form two initial organic products (A and B).

  Calculate the theoretical yield of c2h5cl

Calculate the theoretical yield of C2H5Cl when 138 g of C2H6 reacts with 218 g of Cl2, assuming that C2H6 and Cl2 react only to form C2H5CL and HCl.

  Determine the number of moles of gas

A rigid tank contains 1.50 moles of an ideal gas. Determine the number of moles of gas that nust be withdrawn from the tank to lower the pressure of gas from 25atm to 35 atm.

  What amount of water could be heated

Assume that the kinetic energy of a 1300 kg car moving at 105 km/h could be converted entirely into heat. What amount of water could be heated from 20.°C to 64°C by the car's energy?

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