heat
2 SO2(g) + O2(g) ? 2 SO3(g) 2Ho
rxn = -198 kJ
Homework Answers
Here 2 moles of SO2 on combustion produces 198 KJ of energy
1 mole of SO2 = 64 g
2 moles of SO2 = 128
so, 128 g produces 198 KJ
320gr of SO2 produces ,
(198/128)*320 KJ
that is = 495 KJ
THE AMOUNT OF HEAT PRODUCED IN THE ABOVE REACTION IS 495 KJ
2SO2 + O2= 2SO3 ΔH= -198KJ/MOLE
Here 2 moles of SO2 (M.Wt=2x32+32=96gr) on combustion produces 198 KJ of energy
320gr of SO2 produces is
320grx198/96gr= 6.6x102 KJ/mole
THE AMOUNT OF HEAT PRODUCED IN THE ABOVE REACTION IS 6.6X102 KJ/MOLE
How much heat is evolved if 0.600 kg of SO2 is burned in excess oxygen? 2SO2(g)...
How much heat is evolved if 0.600 kg of SO2 is burned in excess oxygen? 2SO2(g) + O2(g) → 2803(g) AH°rxn=-198 kJ/mol O 3.71x 103 kJ O 5.46 x 10-2k) 0 1.85 x 103 kg O 927 kJ O 59,400 kJ
please show me how to get the correct answers in preperation for my upcoming exam 14.) A 15.) B 14. Given: 2 Al(s) +...
please show me how to get the correct answers in preperation
for my upcoming exam
14.) A 15.) B
14. Given: 2 Al(s) + 3/2 O2(g) - Al2O3(s) Hºe - -1670 kJ for Al2O3(s) What is AH for the following reaction? 2 A1,0, (s) - 4 Al(s) + 3 O2(g) Hºrn - ? A. 3340 kJ B. 1670 kJ C. -3340 kJ D. -1670 kJ E . -835 kJ 15. Given the following thermochemical equation: 2 SO2(g) + O2(g) -...
Use the ΔH°f and ΔH°rxn information provided to calculate ΔH°f for SO3(g): 2 SO2(g) + O2(g)...
Use the ΔH°f and ΔH°rxn information provided to calculate ΔH°f for SO3(g): 2 SO2(g) + O2(g) → 2 SO3(g) ΔH°rxn = -198 kJ ΔH°f (kJ/mol) SO2(g) -297
Please help with these two questions :( 1. How much energy (in kJ) is evolved during...
Please help with these two questions :(
1. How much energy (in kJ) is evolved during the reaction of
76.9 g of Al, according to the reaction below?
Fe2O3(s) + 2 Al(s) →
Al2O3(s) + 2 Fe(s) ΔH°rxn = -852
kJ
Assume that there is excess Fe2O3.
2. A 12.43 g sample of ethanol (C2H5OH) is
burned in a bomb calorimeter with a heat capacity, C = 5.65
kJ/°C.
C2H5OH(l) + 3 O2(g) → 2
CO2(g) + 3 H2O(g) ΔH°rxn...
The thermochemical equation for the combustion of sulfur dioxide is shown below. 2 S02(g) + O2...
The thermochemical equation for the combustion of sulfur dioxide is shown below. 2 S02(g) + O2 (g) + 2 So3(g) deltaH =-198 kJ What is the enthalpy change for the following reaction? 4 SO3(g) → 4 SO2(g) + 2 O2(g)
Use the AHⓇ and AH°rxn information provided to calculate AHºf for SO3(g): AHºf (kJ/mol) | 2...
Use the AHⓇ and AH°rxn information provided to calculate AHºf for SO3(g): AHºf (kJ/mol) | 2 SO2(g) + O2(g) → 2 SO3(9) AH°rxn = -198 kJ SO2(g) -297 de parte a 2 500) • 03 * 2 500) 0 -578 kJ/mol 0 -248 kJ/mol 0 -495 kJ/mol 0 -396 kJ/mol 0 -792 kJ/mol Submit Request Answer Provide Feedback
Heat Evolved During Combustion Consider the following reaction: 2 CO(g) + O2(g) 2 CO2(9) Use standard heats of formatio...
Heat Evolved During Combustion Consider the following reaction: 2 CO(g) + O2(g) 2 CO2(9) Use standard heats of formation from Zumdahl 'Chemical Principles' 8th ed. Appendix Four pp A19 - A21. How much heat is evolved when 1.071x101 moles of CO(9) is burned in excess oxygen. Answer to 4 sig figs. 1pts Submit Answer Tries 0/5 How much heat is evolved when 1.681x102 g of CO(g) is burned in excess oxygen. Answer to 4 sig figs. 1pts Submit Answer Tries...
Use the standard reaction enthalpies given below to determine ΔH°rxn for the following reaction: 4 SO3(g) → 4 S(s) + 6O2(g)
Use the standard reaction enthalpies given below to determine ΔH°rxn for the following reaction: 4 SO3(g) → 4 S(s) + 6O2(g) ΔH°rxn = ? Given: SO2(g) → S(s) +O2(E) ΔH°rxn = +296.8 kJ 2 SO2(g) + O2(g) → 2SO3(g) ΔH°rxn = -197.8 kJ-494.6 kJ -692.4 kJ -791.4 kJ 1583 kJ 293.0 kJ
Calculate heat for the following reaction to produce sulfur dioxide, S(3) + O2(g) = SO2(E) given...
Calculate heat for the following reaction to produce sulfur dioxide, S(3) + O2(g) = SO2(E) given the thermochemical equations below. 2 S(s) + 3 O2(g) =2 SO3(g) AH° = -791.5 kJ 2 SO2(g) + O2(g) = 2 SO3(g) AH° = -197 9 kJ Show all work and calculate to the correct number of sig figs.
Heat Evolved During Combustion and Heat Capacity of a Gas at Constant Pressure A. Consider the...
Heat Evolved During Combustion and Heat Capacity of a
Gas at Constant Pressure
A.
Consider the following reaction:
2 C2H2(g) + 5
O2(g)
4 CO2(g) + 2H2O(l)
Use standard heats of formation from Zumdahl 'Chemical
Principles' 8th ed. Appendix Four pp A19 - A21.
a) How much heat is evolved when
1.440×101 moles of
C2H2(g) is burned in excess oxygen.
Answer to 4 sig figs.
b) How much heat is evolved when
2.250×102 g of CO2(g) is produced
from the...
How much heat is evolved if 0.600 kg of SO2 is burned in excess oxygen? 2SO2(g) + O2(g) → 2803(g) AH°rxn=-198 kJ/mol O 3.71x 103 kJ O 5.46 x 10-2k) 0 1.85 x 103 kg O 927 kJ O 59,400 kJ
please show me how to get the correct answers in preperation
for my upcoming exam
14.) A 15.) B
14. Given: 2 Al(s) + 3/2 O2(g) - Al2O3(s) Hºe - -1670 kJ for Al2O3(s) What is AH for the following reaction? 2 A1,0, (s) - 4 Al(s) + 3 O2(g) Hºrn - ? A. 3340 kJ B. 1670 kJ C. -3340 kJ D. -1670 kJ E . -835 kJ 15. Given the following thermochemical equation: 2 SO2(g) + O2(g) -...
Please help with these two questions :(
1. How much energy (in kJ) is evolved during the reaction of
76.9 g of Al, according to the reaction below?
Fe2O3(s) + 2 Al(s) →
Al2O3(s) + 2 Fe(s) ΔH°rxn = -852
kJ
Assume that there is excess Fe2O3.
2. A 12.43 g sample of ethanol (C2H5OH) is
burned in a bomb calorimeter with a heat capacity, C = 5.65
kJ/°C.
C2H5OH(l) + 3 O2(g) → 2
CO2(g) + 3 H2O(g) ΔH°rxn...
Use the AHⓇ and AH°rxn information provided to calculate AHºf for SO3(g): AHºf (kJ/mol) | 2 SO2(g) + O2(g) → 2 SO3(9) AH°rxn = -198 kJ SO2(g) -297 de parte a 2 500) • 03 * 2 500) 0 -578 kJ/mol 0 -248 kJ/mol 0 -495 kJ/mol 0 -396 kJ/mol 0 -792 kJ/mol Submit Request Answer Provide Feedback
Heat Evolved During Combustion Consider the following reaction: 2 CO(g) + O2(g) 2 CO2(9) Use standard heats of formation from Zumdahl 'Chemical Principles' 8th ed. Appendix Four pp A19 - A21. How much heat is evolved when 1.071x101 moles of CO(9) is burned in excess oxygen. Answer to 4 sig figs. 1pts Submit Answer Tries 0/5 How much heat is evolved when 1.681x102 g of CO(g) is burned in excess oxygen. Answer to 4 sig figs. 1pts Submit Answer Tries...
Calculate heat for the following reaction to produce sulfur dioxide, S(3) + O2(g) = SO2(E) given the thermochemical equations below. 2 S(s) + 3 O2(g) =2 SO3(g) AH° = -791.5 kJ 2 SO2(g) + O2(g) = 2 SO3(g) AH° = -197 9 kJ Show all work and calculate to the correct number of sig figs.
Heat Evolved During Combustion and Heat Capacity of a
Gas at Constant Pressure
A.
Consider the following reaction:
2 C2H2(g) + 5
O2(g)
4 CO2(g) + 2H2O(l)
Use standard heats of formation from Zumdahl 'Chemical
Principles' 8th ed. Appendix Four pp A19 - A21.
a) How much heat is evolved when
1.440×101 moles of
C2H2(g) is burned in excess oxygen.
Answer to 4 sig figs.
b) How much heat is evolved when
2.250×102 g of CO2(g) is produced
from the...
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