for the chemical reaction H2(g) + F2(g) → 2HF(g); ∆H°=-79.2 kj/mol what is the enthalpy for the reaction 3H2+3F2->6HF
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for the chemical reaction H2(g) + F2(g) → 2HF(g); ∆H°=-79.2 kj/mol what is the enthalpy for...
Submit Question 33 of 50 For the chemical reaction H2 (g)+ F2 (g) 2 HF (g) AH = -79.2 kJ/mol. What is the enthalpy for the reaction 3 H2 (g)+3 F2 (g) 6 HF (g) kJ/mol 1 2 3 4 5 6 C 8 +- 0 x 100 O 7
1. Consider the reaction H2(g) + F2(g) ----->2HF(g) Use the standard thermodynamic data in the tables linked above. Calculate delta G for this reaction at 298.15K if the pressure of HF(g) is reduced to 11.42 mm Hg, while the pressures of H2(g) and F2(g) remain at 1 atm. ANSWER: _____ kJ/mol 2. Consider the reaction N2(g) + 3H2(g) ------>2NH3(g) Using the standard thermodynamic data in the tables linked above, calculate delta Grxn for this reaction at 298.15K if the pressure...
For the reaction: H2(g)+C2H4(g)-->C2H6(g) Bond & Bond Enthalpy H-H 436.4 kJ/mole C-H 414 kJ/mol C-C 347 kJ/mol C=C 620 kJ/mol Substance & delta Hf H2 0 C2H4 52.3 C2H6 -84.7 (a) estimate the enthalpy of reaction, using the bond enthalpy values from the table in kJ/mol (b) Calculate the enthalpy of reaction, using standard enthalpies of formation
Given that H2(g) +F2(g) → 2HF(g) 2 H, (9) +0,(8) — 2H,O(1) calculate the value of AHin for A Hisn = -546.6 kJ mol- A Hixn = -571.6 kJ mol- 2F2(g) + 2 H,O(1) — 4 HF(g) + O2(g) AH = kJ.mol-1 KJ-mol-'
Given H2S(9)+3F2(9) – SF4(9)+2HF(9) AHbona (H-S)=+347 kJ/mol AH bond(F-F)=+155 kJ/mol AH bond(S-F)=+327 kJ/mol AH bona(H-F)=+567 kJ/mol Determine the enthalpy of the gas phase reaction (AH).
Question 8 of 20 Using the equations H2(g) + F2 (g) → 2 HF (g) AH° = -79.2 kJ/mol C(s) + 2 F2 (g) → CF. (g) AH° = 141.3 kJ/mol 2 C(s) + 2 H2 (9) C2H4 (9) AH = -97.6 kJ/mol Determine the enthalpy for the reaction C2H4 (g) + 6 F2 (g) → 2 CF4 (9) + 4 HF (g). kJ/mol
Consider the reaction: H2(g) + F2(g)2HF(g) Using standard thermodynamic data at 298K, calculate the free energy change when 2.410 moles of H2(g) react at standard conditions. G°rxn = ___ kJ
18. Given that AHorxn = -546.6 kJ H2 (g)+F2 (g)2HF (g) AH°rxn = -571.6 kJ 2H2 (g)+ O2 (g) 2H20 (1) Calculate the value of AHrxn for 2F2 (g) 4HF (g) + O2 (g) +2H20 (I)
2. Use Hess’s Law to determine the enthalpy of the reaction below. 2F2(g) + 2H2O(l) → 4HF(aq) + O2(g) DH˚= ? H2(g) + F2(g) → 2HF(aq) DH˚ = -546.6 kJ 2H2 (g) + O2(g) → 2H2O(l) DH˚ = -571.6 kJ a. 42 kJ b. -1120 kJ c. -251 kJ d. -521 kJ e. -1690 kJ
If Delta H for the following reaction is -36.40 kJ/mol, what is the enthalpy of formation of HBr(g)? 1/2 H2 (g)+1/2 Br2 --->HBr(g)