10. Given the value of AH for the reactions below, what is AH 2C2H6(g) + 302(g)...
Given the following data: 2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(l) ΔH = -2600 kJ C2H2(g) + 2H2(g) → C2H6(g) ΔH = -312 kJ 2H2(g) + O2(g) → 2H2O(l) ΔH = -572 kJ Find the ΔH of the following reaction: 4CO2(g) + 6H2O(l) → 2C2H6(g) + 7O2(g)
8. Find ∆H◦ of the reaction 2C2H6(g) + 7O2(g) = 4CO2(g) + 6H2O(g), as it is written, given the following: 2C(s) + 3H2(g) = C2H6(g), ∆H◦ = −84.68 kJ, 2H2(g) + O2(g) = 2H2O(g), ∆H◦ = −483.6 kJ, C(s) + O2(g) = CO2(g), ∆H◦ = −393.5 kJ. (A) −3194 kJ (B) −3109 kJ (C) −2940 kJ (D) −2855 kJ (E) −1428 kJ
Use the set of three reactions shown below to answer the questions that follow. 2NO(g) + O2(g) → 2NO2(g) ΔH = -116 kJ 2N2(g) + 5O2(g) + 2H2O(l) → 4HNO3(aq) ΔH = -256 kJ N2(g) + O2(g) → 2NO(g) ΔH = +183 kJ If 27.9 g of NO g is reacted with excess oxygen, how much heat energy is produced? What mass of liquid water will be consumed during the production of 33900 J of energy assuming that there is...
Question 9 For which of these reactions will the difference between AH° and AEº be the greatest? NO(g) + O3(g) —+NO2(g) + O2(g) 4NH3(g) + 5O2(g) + 4NO(g) + 6H2O(g) 2C2H6(g) + 702(g) + 4CO2(g) + 6H20(1) 2H2O2(1) +2H2O(1) + O2(g) 0 CaCO3(s) CaO(s) +CO2(8)
C(s) + O2(g) + CO2(g) AH° = -393.5 kJ (5 pts) Given the following enthalpy values for reactions at 25°C, what is AH at 25°C for the following reaction: C3H3(g) + 502(g) + 4H2O(g) + 3CO2(g) AH = -2043 kJ 3C(s) + 4 H2(g) → C3H8 (g) 2H2(g) + O2(g) + 2H2O(g) AH° = -483.6 kJ
Consider the two reactions. 2 NH3(g) + 3N2O(g) + 4N2(g) + 3H2O(1) 4 NH3(g) + 302(g) + 2N2(g) + 6H2O(1) AH° = -1010 kJ AH° = 1531 kJ Using these two reactions, calculate and enter the enthalpy change for the reaction below. N,(8) + O2(8) + N20(8) AH° = k.
es often TCinerase) Lathce Endg Name: Number: Activity Section: 1:30 PM, 2:30 PM, 3:30 PM, 4:30 PM (circle one) 1. How will the enthalpy change (AH) values for the following reactions compare? (You don't n- to do any calculations here. Just think about the steps required to make the calculation.) H2(g)+½ O2(g)-> H2O(g) vs. 2H2(g) + O2(g) -> 2H2O(g) The reacton would dubu Sne tottu equatio re Scrvc hon s muth ply b we Lofi the ong AH=+40 kJ 2...
For which of the following reactions is AS° > 0. Choose all that apply. 2C2H6(g) + 702(g) + 4CO2(g) + 6H2O(g) ONH4HS(s) + NH3(g) + H2S(g) S(s,rhombic) + 2CO(g) → SO2(g) + 2C(s,graphite) N2(g) + 3H2(g) + 2NH3(g) 2H2O(g) + 2Cl2(g) + 4HCI(g) + O2(g) Submit Answer Retry Entire Group 6 more group attempts remaining
Calculate ΔHrxn for the following reaction: 5C(s)+6H2(g)→C5H12(l) Use the following reactions and given ΔH values: C5H12(l)+8O2(g)→5CO2(g)+6H2O(g), ΔH= -3244.8 kJ C(s)+O2(g)→CO2(g), ΔH= -393.5 kJ 2H2(g)+O2(g)→2H2O(g), ΔH= -483.5 kJ
Given the system: 4NH3(g) + 302(g) = 2N2(g) + 6H2O(1) AH=-1530.4 kJ a) Discuss (and provide reasoning) how the ammonia (NH3) concentration will be affected at equilibrium: i) Removing O2: ii) Adding additional water: iii) Increasing volume: