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ing 51. Consider the combustion of propane: vlogo ed offrogge) 219llsq munoute to sigmsg g-00.2 A10 3CO₂(g) + 4H₂O(1) C3H8(g) + 50₂(g) 28.0 650sed is (g- 0° 2.0 = 85 ◊ ΔΗ = -2221 kJ hydrogen reacted? VE HOB91 01 bobbe od jaum 1916w for TD%0.001 Assume that all the heat in Example 6.3 comes from the com- 10 bustion of propane. What mass of propane must be burned to 10 furnish this amount of energy assuming the heat transfer pro- cess is 60.% efficient? egnibnuostua 4355

ing 51. Consider the combustion of propane: vlogo ed offrogge) 219llsq munoute to sigmsg g-00.2 A10 3CO₂(g) + 4H₂O(1) C3H8(g) + 50₂(g) 28.0 650sed is (g- 0° 2.0 = 85 ◊ ΔΗ = -2221 kJ hydrogen reacted? VE HOB91 01 bobbe od jaum 1916w for TD%0.001 Assume that all the heat in Example 6.3 comes from the com- 10 bustion of propane. What mass of propane must be burned to 10 furnish this amount of energy assuming the heat transfer pro- cess is 60.% efficient? egnibnuostua 4355

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Can you answer question 51
of nd or 1- e 1. S f 80 1891 omori bna vi b. How much heat is evolved when 4.03 g hydrogen are 1SJSW 10 reacted with excess oxygen? Isw to slamse g-0.0E A STUTXIG c. istos? OFF. 16. How much heat is evolved when 186 g oxygen are reacted with excess hydrogen?o 2011 on sulmues The total volume of hydrogen gas needed to fill the Hin- d. qas blos denburg was 2.0 X 108 L at 1.0 atm and 25°C. How much ei 1918W 10 22em 1 51. Consider the combustion of propane: video editione) ells fioso C3H8(g) + 50₂(g) HT D'0,001 heat was evolved when the Hindenburg exploded, assum- insbuie s 1 11 ing all of the hydrogen reacted? HOBOT of bobbe od 12m 1918w for O.Hg munimuls to sigmsg g-00.2 A 3CO₂(g) + 4H₂O(1) 2°N 28.0 VII в (g- 0° 24.0 mi Assume that all the heat in Example 6.3 comes from the com- to bustion of propane. What mass of propane must be burned to furnish this amount of energy assuming the heat transfer pro- cess is 60.% efficient? agnibnuostua AH = 2221 kJ 52. Consider the following reaction: no 25vig nogoby sa 1,290 CH₂(g) +20₂(g) L bas,bamboe snenio g .01 bas no Jedw00.25 JE 191EW0.02 of bonstans iediem bas xim no ΔΗ = −891 kJ boassistinar odi Calculate the enthalpy change for each of the following cases: a. 1.00 g methane is burned in excess oxygen. CT 18 BJ b. Stalowa by CO₂(g) + 2H₂O(1) 1.00 x 10³ L methane gas at 740. torr and 25°C are WIET burned in excess oxygen. quo isod oftiosqe sdi sisl lis tads gru 53. For the process H₂O(l) →→ H₂O(g) at 298 K and 1.0 atm, LOAH is more positive than AE by 2.5 kJ/mol. What does the iew 2.5 kJ/mol quantity represent? OºA.S8 of baised ai (g 54. For the following reactions at constant pressure, predict if -UBAH>AE, AH<AE, or AH = AE. ILHWA sed ad lle ters a. 2HF(g) →→→→→→ H₂(g) + F₂(g) b. N₂(g) + 3H₂(g) →→ 2NH3(g) c. 4NH3(g) + 50₂(g) ->> 4NO(g) + 6H₂O(g)
Transcribed Image Text:of nd or 1- e 1. S f 80 1891 omori bna vi b. How much heat is evolved when 4.03 g hydrogen are 1SJSW 10 reacted with excess oxygen? Isw to slamse g-0.0E A STUTXIG c. istos? OFF. 16. How much heat is evolved when 186 g oxygen are reacted with excess hydrogen?o 2011 on sulmues The total volume of hydrogen gas needed to fill the Hin- d. qas blos denburg was 2.0 X 108 L at 1.0 atm and 25°C. How much ei 1918W 10 22em 1 51. Consider the combustion of propane: video editione) ells fioso C3H8(g) + 50₂(g) HT D'0,001 heat was evolved when the Hindenburg exploded, assum- insbuie s 1 11 ing all of the hydrogen reacted? HOBOT of bobbe od 12m 1918w for O.Hg munimuls to sigmsg g-00.2 A 3CO₂(g) + 4H₂O(1) 2°N 28.0 VII в (g- 0° 24.0 mi Assume that all the heat in Example 6.3 comes from the com- to bustion of propane. What mass of propane must be burned to furnish this amount of energy assuming the heat transfer pro- cess is 60.% efficient? agnibnuostua AH = 2221 kJ 52. Consider the following reaction: no 25vig nogoby sa 1,290 CH₂(g) +20₂(g) L bas,bamboe snenio g .01 bas no Jedw00.25 JE 191EW0.02 of bonstans iediem bas xim no ΔΗ = −891 kJ boassistinar odi Calculate the enthalpy change for each of the following cases: a. 1.00 g methane is burned in excess oxygen. CT 18 BJ b. Stalowa by CO₂(g) + 2H₂O(1) 1.00 x 10³ L methane gas at 740. torr and 25°C are WIET burned in excess oxygen. quo isod oftiosqe sdi sisl lis tads gru 53. For the process H₂O(l) →→ H₂O(g) at 298 K and 1.0 atm, LOAH is more positive than AE by 2.5 kJ/mol. What does the iew 2.5 kJ/mol quantity represent? OºA.S8 of baised ai (g 54. For the following reactions at constant pressure, predict if -UBAH>AE, AH<AE, or AH = AE. ILHWA sed ad lle ters a. 2HF(g) →→→→→→ H₂(g) + F₂(g) b. N₂(g) + 3H₂(g) →→ 2NH3(g) c. 4NH3(g) + 50₂(g) ->> 4NO(g) + 6H₂O(g)
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