Consider the following reaction: 2NO(g)+O2(g)⇌2NO2(g) The data in the table show the equilibrium constant for this reaction measured at several different temperatures.
Temperatures: Kp:
170K 3.8*10^-3
180K 0.34
190K 18.4
200K 681
Part A Use the data to find ΔH∘rxn and ΔS∘rxn for the reaction.
i found ΔH∘rxn = 114 kJ but i dont know how to get ΔS∘rxn. please help and show work
Plot a graph between on x-axis and on y-axis. A straight line is obtained. Get the equation for the straight line obtained. Find the slope and intercept of the straight line.
Compare the straight line obtained with the equation . Slope of the straight line is equal to and intercept is equal to .
Relation between equilibrium constant and standard Gibbs free energy is . Relation between standard Gibbs free energy change, standard enthalpy change, and standard entropy change is . From the two relations: . Here, is gas constant and is temperature in Kelvin scale.
From the given values of temperature () and equilibrium constant (), a table is prepared with and values, as follows:
The graph between on x-axis and on y-axis is as follows:
Slope of the straight line is and intercept of the straight line is .
Ans:The value of is and the value of is .
Consider the following reaction: 2NO(g)+O2(g)⇌2NO2(g) The data in the table show the equilibrium constant for this reac...
Consider the following reaction: 2NO(g)+O2(g)⇌2NO2(g)2NO(g)+O2(g)⇌2NO2(g) The data in the table show the equilibrium constant for this reaction measured at several different temperatures. Temperature K 400 1.9x10^7 425 2.5x10^6 465 1.6x10^5 515 8.8x10^3 600 2.0x10^2 Use the data to find ΔrS∘ΔrS∘ for the reaction. (answer in J K-1 mol-1) The answer is NOT 158
Consider the following reaction: 2NO(g)+O2(g)→2NO2(g)2NO(g)+O2(g)→2NO2(g) Estimate ΔG∘for this reaction at each of the following temperatures and predict whether or not the reaction will be spontaneous. (Assume that ΔH∘ΔH∘ and ΔS∘ΔS∘ do not change too much within the give temperature range.) 1) 713 2) 852
Consider the following reaction: 2NO(g)+O2(g)→2NO2(g) Estimate ΔG∘ for this reaction at each of the following temperatures and predict whether or not the reaction will be spontaneous. (Assume that ΔH∘ and ΔS∘ do not change too much within the give temperature range.) ANSWER MUST BE IN kJ!! a) 722 K b) 860 K
Consider the reaction: 2NO(g) + O2(g)2NO2(g) Using standard thermodynamic data at 298K, calculate the free energy change when 1.710 moles of NO(g) react at standard conditions. G°rxn = kJ
Calculate ΔS∘rxn for the reaction 2NO(g)+O2(g)→2NO2(g) Substance S∘ (J/mol⋅K) NO2 240.0 O2 205.2 NO 210.8
Calculate the enthalpy of the reaction 2NO(g)+O2(g)→2NO2(g) Given the following reactions and enthalpies of formation: N2(g) + 2O2(g)→ 2NO2(g), ΔH∘ = 66.4kJ N2(g)+ O2(g)→ 2 NO(g), ΔH∘=180.4 kJ Please explain the steps as well!
For the reaction 2NO(g) + O2(g) ® 2NO2(g), DH° = -113.1 kJ/mol and DS° = -145.3 J/K·mol. Under which temperature conditions would the reaction be spontaneous? _________. a. For all temperatures b. Only at high temperatures c. Only at low temperatures
Part A Calculate the enthalpy of the reaction 2NO(g)+O2(g)→2NO2(g) given the following reactions and enthalpies of formation: 12N2(g)+O2(g)→NO2(g), ΔH∘A=33.2 kJ 12N2(g)+12O2(g)→NO(g), ΔH∘B=90.2 kJ Express your answer with the appropriate units. Part B Calculate the enthalpy of the reaction 4B(s)+3O2(g)→2B2O3(s) given the following pertinent information: B2O3(s)+3H2O(g)→3O2(g)+B2H6(g), ΔH∘A=+2035 kJ 2B(s)+3H2(g)→B2H6(g), ΔH∘B=+36 kJ H2(g)+12O2(g)→H2O(l), ΔH∘C=−285 kJ H2O(l)→H2O(g), ΔH∘D=+44 kJ Express your answer with the appropriate units.
The equilibrium constant KcKc for the reaction 2NO(g)+O2(g)⇌2NO2(g)2NO(g)+O2(g)⇌2NO2(g) is 6.9×1056.9×105 at 500 KK. A 5.0 LL reaction vessel at 500 KK was filled with 0.052 molmol of NONO, 1.1 molmol of O2O2, and 0.90 molmol of NO2NO2. Part A What is the value of QcQc? Express your answer to two significant figures.
3. Consider the chemical equilibrium for the following chemical reaction AH -+114 kJ 2NO2(g) 2NO(g) + 02(s) Assume that the chemical reaction is at equilibrium. How will each of the follow- Kp)? Fill in the blanks by PNO ing changes affect the indicated quantities (PNo2 Po answering: increase, decrease, or no change. Poa PO К, PNO2 Pos PNO2 PM No hange (a) temperature is lowered (b) remove NO gas from the reaction flask (a) double the volume of the reaction...