+50=15044101 10101010101 01101010101002:001,400 PX 2106 = 0714 Joy TAH%usion for H₂O = 6.0 kJ mo-¹1*₁6=04-4T1:14 14 0 1 220 - 01/14 2014060571, 80911150446P630¹HS1-4 1-10 ( 17 = (15/01/14 101 Stemperature of 120 °C.20.0 g of H-Ols) at -20.0 °C is heated until t melts, boils, and reaches a finalper totes les cand sunt foarte at all the

The degree of randomness or disorder of the system is called entropy

6. Calculate 4S for th following process, given the information below. 20.0 g of H.O(s) at -20.0 °C is heated until it melts, boils, and reaches a final temperature of 120 °C. S for H/Ols) = 41 Jmo K 5 for H01= 69.91 mal K Sº for HOgl = 188.8 J/mol K Susion for H₂O = 22 J mot¹ K-1 vaporation for H/0= 118.89Jmot¹ K1 AS AH%usion for H₂O = 6.0 kJ mol-¹ A aportaton for H₂O= 40.7 kJ mo¹ C, for HO(g) = 2.080 Jg¹ K¹1 C, for H₂O) = 4.18 Jg¹ K¹ C, for HQ(s) = 2.05 Jg¹ K¹

6. Calculate 4S for th following process, given the information below. 20.0 g of H.O(s) at -20.0 °C is heated until it melts, boils, and reaches a final temperature of 120 °C. S for H/Ols) = 41 Jmo K 5 for H01= 69.91 mal K Sº for HOgl = 188.8 J/mol K Susion for H₂O = 22 J mot¹ K-1 vaporation for H/0= 118.89Jmot¹ K1 AS AH%usion for H₂O = 6.0 kJ mol-¹ A aportaton for H₂O= 40.7 kJ mo¹ C, for HO(g) = 2.080 Jg¹ K¹1 C, for H₂O) = 4.18 Jg¹ K¹ C, for HQ(s) = 2.05 Jg¹ K¹

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

2 BaO2(s) 2 2 BaO(s) + O2(g) AH° = 162 kJ/molrxn A sealed rigid vessel contains BaO2(s) in equilibrium with BaO(s) and O2(g) as represented by the equation above. Which of the following changes will increase the amount of BaO2(s) in the vessel? Removing a small amount of O2(g) from the reaction mixture Adding a small amount of BaO(s) to the reaction mixture Increasing the volume of the reaction vessel (at constant temperature) Decreasing the temperature of the system
18. A reaction has AH° = +38.7 kJ/mole, AS° = 112 J/mol K, and AG° = +5.32 kJ/mole. Complete the following table. Temp AG"0» 25°C 100°C Will increasing the temperature increase the yield of this reaction? Yes No
S° AGO kJ/mol Substance kJ/mol J/(mol:K) C2H4(g) 52.4 68.4 219.3 H2O(1) -285.8 -237.1 70.0 С2Н5ОН() -277.6 -174.8 160.7 Consider the reaction described by the chemical equation shown. C,H,(g) + H,O(1) → C,H,OH(1) AHan = -44.2 kJ Use the data from the table of thermodynamic properties to calculate the value of ASn at 25.0 °C. ASn = J.K- Calculate AGîxn · AG¡xn = kJ
Q25
The reaction of hydrogen gas and nitrogen gas to form ammonia is a well-known process that is an important reaction in industry. The equilibrium reaction is shown below. 2 NO2@) N204 () AH= -57 kJ (colorless) (brown) 1. If more NO2 is added to the system, how will that affect the concentration of N2O4? Support your explanation using Le Chatelier's principle. 2. If the temperature is increased, how will that affect the concentration of the product, N2O4? What observations would you expect to see if you performed this experiment in the laboratory. Support your explanation using Le Chatelier's principle. 3. If the pressure on the system is increased, how will that affect the concentration of the product, N2O4? 4. Besides changing temperature, pressure, or NO2 concentration, what is another way to get this reaction to produce more N2O4?
A mixture of PbS, O2, PbO, and SO2 are mixed in a reaction vessel and allowed to reach equilibrium. 2PbS(s) + 3O2(g) ⇋ 2PbO(s) + 2SO2(g) ΔH = –839.9 kJ Predict whether the reaction will shift towards the reactants, shift toward the products, or remain unchanged when the reaction mixture is heated. a) shift toward the products b) shift towards the reactants c) remain unchanged
For a particular reaction at 206.4 °C, AG = -359.90 kJ/mol, and AS = 555.40 J/(mol - K). Calculate AG for this reaction at -14.7 °C. AG= kJ/mol
If A G°rxn is 10.9 kJ/mol, determine A Gxn at 525 K, when TiCI4(g) = 0.500 atm. TİCIĄ(liq) TİCIA(g) - O 7.87 kJ/mol O O kJ/mol O 10.9 kJ/mol O 3.44 kJ/mol
For the reaction I2(g) → I2(s), ΔH° = -62.4 kJ at 25°C. Based on these data, at 25°C A) ΔH°vap= -62.4 kJ/mol. B) ΔH°vap= 62.4 kJ/mol. C) ΔH°sub= -62.4 kJ/mol. D) ΔH°sub= 62.4 kJ/mol.
= -93.1A]J/K Given the following information, calculate ArG° for the reaction below at 25 °C. Mg(s) + 1/2 02(g) → MgO(s) ArH° = -601.24 kJ/mol-rxn and ArS° = -108.36 J/K
9. Sulfuryl dichloride is formed when sulfur dioxide reacts with chlorine. The data refer to 298K. SO₂(g) + Cl₂(g) → SO₂Cl₂(g) Substance: AH° (kJ/mol): AG°f(kJ/mol): S°(J/K.mol): SO₂(g) -296.8 -300.1 248.2 What is the value of AGº for this reaction at 600 K? A) -162.8 kJ B) -40.1 kJ C) -28.4 kJ D) 28.4 kJ E) 162.8 kJ Cl₂(g) 0 0 223.0 SO₂Cl₂(g) -364.0 -320.0 311.9
Calculate the equilibrium constant at 250.0 °C. Calculate the equilibrium constant at 500.0 °C.