Answered: construct the expression for Kc for the…

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter12: Gaseous Chemical Equilibrium

Section: Chapter Questions

Problem 60QAP

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Automobiles and trucks pollute the air with NO. At 2000.0°C, Kc for the reactionN2(g)+O2(g)2NO(g)At 2000.0°C Kc = 4.100 × 10–4 and ΔH° = 180.6 k What is the value of Kc at 89.00°C?
The results of your Solubility of a Salt experiment led to the following linear regression equation: ln(s)= -4197(1/T)+ 17.96 What is the heat of solution, ΔH, in kJ/mol? a. 25 b. 35 c. 45 d. 55
In terms of % yield = (actual / theorietical ) X 100, explain what is meant by “theorietical”.
Considering the Ksp values for the substances measured at 25 ° C, write the Ksp equation and expression of: a. Co(OH)2 = 1.3 x 10-15 b. Hg2CO3 = 8.9 x 10-17
Compute for the EqWt and mEqWt of the following: 1. Acetic acid 2. Phosphoric acid 3. Sodium borate 4. Magnesium hydroxide 5. Zinc sulfate 6. Arsenic trioxide and 4 moles of water
What is ΔSsurr for a reaction at 28.6 °C with ΔHsys = 38.9 kJ mol-1 ? Express your answer in J mol-1 K-1 to at least two significant figures.
The Kp of 2NO(g) + Cl2(g) 2NOCI(g) is 1727. Calculate the Ke at T = 326? Please write the answer without unit and decimal point as 4600
Write the expression for Keq for the following reactions. In each case indicate whether the reaction is homogeneous or heterogeneous. H2(g) + I2(g) 2 HI(g) Keq = 2 PHI / (PH2 PI2) Keq = PH2 PI2 / 2 PHI Keq = PH2 PI2 / PHI2 Keq = PHI2 / (PH2 PI2)
Consider the reaction: BaSO4 Ba2+ + SO42-; Ksp = 1.1 x 10-10 .What is ΔG° at 25 °C?
Express the reaction enthalpy for the reaction: A + B + C ----> 1/2D + 1/2E + 1/2F in terms of the reaction enthalpies, delta1 H, delta2 H, and delta3 H for the following: B + 2C ---> D + E
At 25 °C, Kc = 1.4 x 10-35 for the reaction2N2(g) + O2(g) ⇆ 2N2O(g)What is the value of Kc for the reaction:N2O(g) ⇆ N2(g) +1/2O2(g)(Express your answer in scientific notation.)
For the reaction 2 H2S(g) <==> 2 H2(g) + S2(g) the value of Kc = 1.6e-2 Calculate the value of Kc for this second reaction below: 8 H2(g) + 4 S2(g) <==> 8 H2S(g)

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construct the expression for Kc for the following reaction 3H2(g)+6C(s)=C6H6(g)