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2NO(g) ---> N2(g) + O2(8) AH =-180.6 kJ N2(g) +02(g) +C17(9) ---> 2NOC19) AH = +103.4 kJ Find the AH of the following reaction: 2NOCI(9) --->2NO(g) +CH (2)
Consider the reaction: at N2(g) + 3 F2 (g) --> 2 NH3(g) AH° = -249 kJ AS° = -278 25 C K Calculate AGº and state whether the equilibrium composition contains mostly products or reactants at standard conditions. AG --332 kJ The equilibrium composition contains mostly reactants. AG = :-166 kJ The equilibrium composition contains mostly products. AG -6.7 kJ The equilibrium composition contains mostly products. O AGⓇ = +29.0 kJ The equilibrium composition contains mostly products. = AG +82.6...
Enthalpy of Formation Part 1: Part 2: Part 3: A scientist measures the standard enthalpy change for the following reaction to be 591.0 kJ : 2H2O(1)—>2H2(g) + O2(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O(l) is kJ/mol. A scientist measures the standard enthalpy change for the following reaction to be -2903.4 kJ: 2C2H6(g) + 7 O2(g)—>4CO2(g) + 6 H2O(g) Based on this value and the standard...
Question 24 of 30 > A certain reaction has an enthalpy of AH = 34 kJ and an activation energy of Ea = 66 kJ. What is the activation energy of the reverse reaction? Ea(reverse) = kJ Question 23 of 30 Label the energy diagram for a two-step reaction. A R. + HX Energy RX + H RH + X Reaction coordinate Answer Bank non-limiting transition state rate-limiting transition state products intermediates activation energy starting materials enthalpy change
For the reaction 2NH3(g) 202(g)N20(g)+3H20(I) AH 683 kJ and AS° = -366 JK AGo would be less than zero at temperatures (above, below) K. Enter above or below in the first box and enter the temperature in the second box. Assume that AH° and AS° are constant For the reaction N2(g)O2(g)>2NO(g) AHo 181 kJ and AS° = 24.9 J/K K. AGo would be negative at temperatures (above, below) Enter above or below in the first box and enter the temperature...
Confused on #5 5) Calculate the enthalpy of the following reaction: N2 + O2 ---> 2NO Given: 4NH3 + 502 ---> 4NO + 6H2O AH° = -1170 kJ 2N2 + 6H2O ---> 4NH3 + 302 AH° = +1530 kJ Solution:
Ozone (O3) in the atmosphere can react with nitric oxide (NO): 03(g) + NO(g) --> NO2(g) + O2(g). (AH° = -199 kJ/mol, 45º = -4.1 J/K·mol) Write answers to three significant figures. a. Calculate the AG°(K9/02.) for this reaction at 25°C. b. Determine the temperature(°C) at which the reaction is at equilibrium.
For the reaction N2(g) + O2(g)->2NO(g) AH° = 180.6 kJ and AS = 24.9 J/K The equilibrium constant for this reaction at 267.0 K is Assume that AHⓇ and ASº are independent of temperature.
Given the standard enthalpy changes for the following two reactions: (1) N2(g) + O2(9)— 2NO(g) AH = 181.8 kJ (2) N2(g) +202(9)—2NO29) AH° = 66.4 kJ what is the standard enthalpy change for the reaction: (3) 2NO(g) + O2(9) *2NO2(9) AH° = ? Submit Answer
6. Given the following thermochemical reactions 2NO N,+O 2NO+O,2NO AH=-180 kJ AH=-112 kJ Calculate the enthalpy change of the reaction of nitrogen with oxygen to produce nitrogen dioxide. N,+20,2NO, AH r? Lo Given the following standard enthalpy of formations: AHor [C2H$OH(I) =-277.7 kJ/mol]; AHOr [CHCO2H) =-484.5 kJ/mol]; AHr [H2O) = -285.8 kJ/mol]; AHn[O2(g) = 0 kJ/mol]. Calculate the AHn for the reaction. C,H.OH()+O,(g) ->CH,CO,H() + H2O(1)