Question

In: Chemistry

Be sure to answer all parts. The following reactions have the indicated equilibrium constants at a...

Be sure to answer all parts. The following reactions have the indicated equilibrium constants at a particular temperature: N2(g) + O2(g) ⇌ 2NO(g)Kc = 8.7 × 10−25 2NO(g) + O2(g) ⇌ 2NO2(g) Kc = 6.4 × 109

Determine the value of the equilibrium constant for the following equation at the same temperature: 1/2 N2(g) + 1/2 O2(g) ⇌ NO(g)

Solutions

Expert Solution


Related Solutions

Be sure to answer all parts. At 430 ° C, the equilibrium constant (KP) for the...
Be sure to answer all parts. At 430 ° C, the equilibrium constant (KP) for the reaction 2NO(g) + O2(g) ⇆ 2NO2(g) is 1.5 × 105. In one experiment, the initial pressures of NO, O2, and NO2 are  7.4 × 10−3 atm, 4.2 × 10−2 atm, and 0.20 atm, respectively. Calculate QP and predict the direction that the net reaction will shift to reach equilibrium. What is QP for the experiment? In which direction will the system proceed to reach equilibrium?...
Be sure to answer all parts. Consider the following reaction at equilibrium: A(g) ⇆ 2B(g) From...
Be sure to answer all parts. Consider the following reaction at equilibrium: A(g) ⇆ 2B(g) From the data shown here, calculate the equilibrium constant (both KP and Kc) at each temperature. Is the reaction endothermic or exothermic? Temperature (°C) [A] (M) [B] (M) 200 0.0180 0.870 300 0.150 0.790 400 0.240 0.695 Kc(200°C) = KP(200°C) = Kc(300°C) = KP(300°C) = Kc(400°C) = KP(400°C) = Cannot be determined. The reaction is exothermic. The reaction is endothermic
Be sure to answer all parts. At 1280°C the equilibrium constant Kc for the reaction Br2(g)...
Be sure to answer all parts. At 1280°C the equilibrium constant Kc for the reaction Br2(g) ⇌ 2Br(g) is 1.1 ×10−3. If the initial concentrations are [Br2] = 0.0320 M and [Br] = 0.0290 M, calculate the concentrations of these two species at equilibrium. [Br2]eq = [Br]eq =
Be sure to answer all parts. The equilibrium constant Kc for the Reaction: H2(g) + CO2(g)...
Be sure to answer all parts. The equilibrium constant Kc for the Reaction: H2(g) + CO2(g) <--> H2O(g) + CO(g) is 4.2 at 1650 C. Initially 0.87 mol H2 and 0.87 mol CO2 are injected into a 4.9 L flask. Calculate the concentraion of each species at equilibrium Equilibrium concentration of H2: ____ M Equilibrium concentraion of CO2: ___ M Equilibrium concentraion of H2O: _____M Equilibrium concentration of CO: ______M
Be sure to answer all parts. Predict the geometry of the following molecules and ion using...
Be sure to answer all parts. Predict the geometry of the following molecules and ion using the VSEPR model. Enter the number corresponding to the correct geometry in the box next to the formula. Electron Domain Molecular 1 − bent 2 − linear 3 − octahedral 4 − seesaw-shaped 5 − square planar 6 − square pyramidal 7 − tetrahedral 8 − trigonal bipyramidal 9 − trigonal planar 10 − trigonal pyramidal 11 − T-shaped (a) CH3I (b) ClF3 (c)...
Be sure to answer all parts. Rank the following species according to their relative stability and...
Be sure to answer all parts. Rank the following species according to their relative stability and indicate their magnetic properties: O2, O2+, O2 − (superoxide ion), and O22 − (peroxide ion) < < < (select)diamagneticparamagnetic (select)diamagneticparamagnetic (select)diamagneticparamagnetic (select)diamagneticparamagnetic
Be sure to answer all parts. Calculate E o , E, and ΔG for the following...
Be sure to answer all parts. Calculate E o , E, and ΔG for the following cell reactions: (a) Mg(s) + Sn2+(aq) ⇌ Mg2+(aq) + Sn(s) where [Mg2+] = 0.045 M and [Sn2+] = 0.065 M E o = _________ V E = ____________ V ΔG = __________kJ (b) 3Zn(s) + 2Cr3+(aq) ⇌ 3Zn2+(aq)+ 2Cr(s) where [Cr3+] = 0.080 M and [Zn2+] = 0.0055 M E o = __________ V E = ____________ V ΔG = ___________kJ
Which of the following statements is true? Fast reactions have small rate constants. Slow reactions have...
Which of the following statements is true? Fast reactions have small rate constants. Slow reactions have large rate constants. A rate equation contains concentration terms for all reactants involved in a one-step mechanism. A rate equation contains concentration terms for all the reactants involved in a multi-step reaction.
please answer all qustions and all parts and make sure you have the right answers. 1....
please answer all qustions and all parts and make sure you have the right answers. 1. An electric field is given by Ex = 3.5x3 kN/C. Find the potential difference between the points on the x axis at x = 1 m and x = 3 m. ..... kV --------------------------------- 2. (a) Find the maximum net charge that can be placed on a spherical conductor of radius 12 cm before dielectric breakdown of the air occurs. .... µC (b) What...
3. Chemical reactions and equilibrium constants (a) An alternative way of writing the reaction for the...
3. Chemical reactions and equilibrium constants (a) An alternative way of writing the reaction for the dissolution of CdCO3(s) is to form the species HCO3- rather than CO32-. Write a balanced chemical reaction for CdCO3(s) dissolution with HCO3- rather than CO32- as a product species. Calculate an equilibrium constant and standard free energy of reaction for your new reaction. You will need to look up some equilibrium constants. (b) How would you decide which reaction to use to describe the...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT