Consider the following reaction: N2(g) + 3H2(g) - 2NH3(g); AH° = - 91.8 kJ The density of ammonia at 25°C and 1.00 atm is 0.696 g/L. The density of nitrogen, N2, is 1.145 g/L, and the molar heat capacity is 29.12 J/(mol - °C). If the heat evolved in the production of 1.00 L of ammonia at 25°C and 1.00 atm is 1.876 kJ. What percentage of this heat is required to heat the nitrogen required for this reaction (0.500 L) from 25°C to 450°C?

Consider the following reaction: N2(g) + 3H2(g) - 2NH3(g); AH° = - 91.8 kJ The density of ammonia at 25°C and 1.00 atm is 0.696 g/L. The density of nitrogen, N2, is 1.145 g/L, and the molar heat capacity is 29.12 J/(mol - °C). If the heat evolved in the production of 1.00 L of ammonia at 25°C and 1.00 atm is 1.876 kJ. What percentage of this heat is required to heat the nitrogen required for this reaction (0.500 L) from 25°C to 450°C?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Given the following decomposition reaction2H2O2 (l)---> 2H2O(l) + O2 (g) ΔH = –196.1 kJ A. How much heat is released when 1332 kg of H2O2 decomposes?
In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by reactions involving carbon monoxide. Use the following thermochemical equations, Fe,O3(s) + 3CO(g) 2Fe(s) + 3CO,(g) AH° = - 28 kJ 3Fc,O3() + CO(g) 2Fe3O4() + CO,(g) AH = -59 kJ FezO4(s) + CO(g) 3FcO(s) + CO,(g) AH° = +38 kJ to calculate AH° for the reaction FeO() + CO(g) Fe(s) + CO2(g) AH° = i kJ
2. Consider the equation for the combustion of acetone (C₁H₂O), the main ingredient in nail polish remover. AHR -1790 kJ CHO (l)+4Oz (g) -> 3 CO, (g)+3H,O (g) If a bottle of nail polish remover contains 255 g of acetone, how much heat is released by its complete combustion?
A cubic piece of platinum metal (specific heat capacity = 0.1256 J/°C･g) at 200.0°C is dropped into 1.00 L of deuterium oxide ('heavy water,' specific heat capacity = 4.211 J/°C･g) at 25.5°C. The final temperature of the platinum and deuterium oxide mixture is 31.3°C. The density of platinum is 21.45 g/cm³ and the density of deuterium oxide is 1.11 g/mL. What is the edge length of the cube of platinum, in centimeters?
A sample of NaOH (MM = 40.00 g/mol) with a mass of 1.811 g was added to a solution of HNO3 in a coffee cup calorimeter for a final volume of 100.0 mL. If both solutions were initially at 24.5 °C and the temperature of the resulting solution was recorded as 27.0 °C, determine the AH°rxn (in units of kJ/mol NaOH) for the neutralization reaction between aqueous NaOH. Assume that the density and the heat capacity of the resulting solution are the same as water, 1.00 g/mL and 4.184 J/(g x °C) respectively. Your Answer: Answer units
20) The standard enthalpy change for the reaction below is -196.0 kJ. Use Table below to calculate the standard enthalpy of formation of H₂O (1). 2H₂O2 (1) ->>> 2H₂O (1) + O₂ (g) Substance H₂O2 (1) AH° (kj/mole) -187.8
The thermite reaction is a very exothermic reaction; it has been used to produce liquid iron for welding. A mixture of 2 mol of powdered aluminum metal and 1 mol of iron(III) oxide yields liquid iron and solid aluminum oxide. How many grams of the mixture are needed to produce 219 k) of heat? Data: AH;(Al(s)) = 0 kJ/mol AH (Fe,O3 (s)) = -825.5 kJ/mol AH (Fe(1)) = 12.4 kJ/mol AH;(Al2O3 (s)) = -1675.7 kJ/mol
Phthalates used as plasticizers in rubber and plastic products are believed to act as hormone mimics in humans. The value of triangle H COmb for dimethylphthalate (C 10 H 10 O 4 )is-4685 kJ/mol . Assume 0.940 g of dimethylphthalate combusted in a calorimeter whose heat capacity (C Calorime ) is 7.40 kJ/^ C at 20.0 degrees * C . What is the final temperature of the calorimeter?
Consider the combustion of propane: C3H (9) + 50, (9)→ 3CO, (9) + 4H2 O(1) AH = -2221 kJ A balloon is being inflated to its full extent by heating the air inside it. In the final stages of this process, the volume of the balloon changes from 4.00 x 10° L to 4.50 x 10° L by the addition of 1.4 x 10 J energy as heat. Assume that all the heat comes from the combustion of propane. What mass of propane must be burned to furnish this amount of energy assuming the heat transfer process is 50.% efficient? Mass =
A 25.0 mL portion of dilute HCl (aq) is combined with a 25.0 mL portion of dilute NaOH in a coffee-cup calorimeter. Both solutions are initially at a temperature of 23.3 ºC. The reaction produces enough heat to raise the final temperature of the 50.0 mL of liquid in the calorimeter to 25.3 ºC . What is qrxn in J? Assume the density of the reaction mixture is 1.0 g/mL and the specific heat of the solution is 4.184 J/g· ºC