Question

In: Chemistry

Calculate ΔH° for the reaction C4H4(g) + 2H2(g) → C4H8(g), using the following data: ΔH°combustion for...

Calculate ΔH° for the reaction C4H4(g) + 2H2(g) → C4H8(g), using the following data:

ΔH°combustion for C4H4(g) = –2341 kJ/mol

ΔH°combustion for H2(g) = –286 kJ/mol

ΔH°combustion for C4H8(g) = –2755 kJ/mol

A) –128 kJ

B) 158 kJ

C) –158 kJ

D) 128 kJ

E) None of these choices are correct.

Solutions

Expert Solution


Related Solutions

From the enthalpies of reaction H2(g)+F2(g)→2HF(g)ΔH=−537kJ C(s)+2F2(g)→CF4(g)ΔH=−680kJ 2C(s)+2H2(g)→C2H4(g)ΔH=+52.3kJ calculate ΔH for the reaction of ethylene with...
From the enthalpies of reaction H2(g)+F2(g)→2HF(g)ΔH=−537kJ C(s)+2F2(g)→CF4(g)ΔH=−680kJ 2C(s)+2H2(g)→C2H4(g)ΔH=+52.3kJ calculate ΔH for the reaction of ethylene with F2: C2H4(g)+6F2(g)→2CF4(g)+4HF(g)
From the enthalpies of reaction H2(g)+F2(g)→2HF(g)ΔH=−537kJ C(s)+2F2(g)→CF4(g)ΔH=−680kJ 2C(s)+2H2(g)→C2H4(g)ΔH=+52.3kJ calculate ΔH for the reaction of ethylene with...
From the enthalpies of reaction H2(g)+F2(g)→2HF(g)ΔH=−537kJ C(s)+2F2(g)→CF4(g)ΔH=−680kJ 2C(s)+2H2(g)→C2H4(g)ΔH=+52.3kJ calculate ΔH for the reaction of ethylene with F2: C2H4(g)+6F2(g)→2CF4(g)+4HF(g)
Part 1. Consider the following reaction at 298 K: 2H2(g)+O2(g)---->2H2O(g) ΔH=-483.6 kj/mol Calculate the following quantities:...
Part 1. Consider the following reaction at 298 K: 2H2(g)+O2(g)---->2H2O(g) ΔH=-483.6 kj/mol Calculate the following quantities: ΔSsys=____J(molxK) ΔSsurr=____J(molxK) ΔSuniv=____J (molxK) Part 2. For a particular reaction, ΔH = 168.1 kJ/mol and ΔS = -55.8 J/(mol·K). Calculate ΔG for this reaction at 298 K. Is this system spontaneaus as written, Is it in the reverse direction, Or is it at equilibrium?
Find ΔH° for the complete combustion of gaseous methoxyethane , C3H8O(g) , using the data below....
Find ΔH° for the complete combustion of gaseous methoxyethane , C3H8O(g) , using the data below. C(s) + O2(g) → CO2(g) ΔH°= -393.52 kJ/mol H2(g) + ½O2(g) → H2O(l) ΔH°= -285.83 kJ/mol 3C(s) + 4H2(g) + ½O2(g) → C3H8O(g) ΔH°= -216.4 kJ/mol ΔH° for the complete combustion of gaseous methoxyethane
Suppose you have the following reaction at equilibrium:                   C(s) + 2H2(g) = CH4(g),  ΔH = −74.8 kJ       .
Suppose you have the following reaction at equilibrium:                   C(s) + 2H2(g) = CH4(g),  ΔH = −74.8 kJ        What changes are expected to occur if the pressure of the system was increased? You may select multiple answers. The temperature would increase above the expected temperature increase resulting from the increased pressure.   The concentration of H2(g) would decrease   The amount of C(s) present would decrease             The concentration of CH4(g) would increase No change in the equilibrium would occur.   The concentration of CH4(g) would...
Consider the following reaction: CH3OH(g)⇌CO(g)+2H2(g) Part A Calculate ΔG for this reaction at 25 ∘C under...
Consider the following reaction: CH3OH(g)⇌CO(g)+2H2(g) Part A Calculate ΔG for this reaction at 25 ∘C under the following conditions: PCH3OH= 0.885 atm PCO= 0.145 atm PH2= 0.175 atm ΔG = nothing   kJ  
1)Given the following data: 2H2(g) + O2(g) → 2H2O(l) ΔH = -571.6 kJ CO2(g) + 2H2O(l)...
1)Given the following data: 2H2(g) + O2(g) → 2H2O(l) ΔH = -571.6 kJ CO2(g) + 2H2O(l) → CH4(g) + 2O2(g) ΔH = +890.3 kJ C(s) + O2(g) → CO2(g) ΔH = -393.5 kJ Find the ΔH of the following reaction: C(s) + 2H2(g) → CH4(g)
Consider the following reaction: CO(g)+2H2(g)⇌CH3OH(g)CO(g)+2H2(g)⇌CH3OH(g) The reaction between COCO and H2H2 is carried out at a...
Consider the following reaction: CO(g)+2H2(g)⇌CH3OH(g)CO(g)+2H2(g)⇌CH3OH(g) The reaction between COCO and H2H2 is carried out at a specific temperature with initial concentrations of COCO = 0.32  M M and H2H2 = 0.52  M M. At equilibrium, the concentration of CH3OHCH3OH is 0.15  M M. Find the equilibrium constant at this temperature. Express your answer using two significant figures.
Consider the following reaction: CO(g)+2H2(g)⇌CH3OH(g)CO(g)+2H2(g)⇌CH3OH(g) The reaction between COCO and H2H2 is carried out at a...
Consider the following reaction: CO(g)+2H2(g)⇌CH3OH(g)CO(g)+2H2(g)⇌CH3OH(g) The reaction between COCO and H2H2 is carried out at a specific temperature with initial concentrations of COCO = 0.26  M M and H2H2 = 0.49  M M. At equilibrium, the concentration of CH3OHCH3OH is 0.16  M M. Part A Find the equilibrium constant at this temperature. Express your answer using two significant figures. KcKc = SubmitPrevious AnswersRequest Answer
Consider the following reaction: CO(g)+2H2(g)⇌CH3OH(g) Kp=2.26×104 at 25 ∘C. Calculate ΔGrxn for the reaction at 25...
Consider the following reaction: CO(g)+2H2(g)⇌CH3OH(g) Kp=2.26×104 at 25 ∘C. Calculate ΔGrxn for the reaction at 25 ∘C under each of the following conditions. - standard conditions - at equilibrium - PCH3OH= 1.4 atm ; PCO=PH2= 1.5×10−2 atm
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT