The molar entropies of carbon monoxide and carbon dioxide at 25°C are 197.7 and 213.8 J/molK, respectively. How many times more accessible microstates does CO2 have than CO at 25°C? A. Roughly 1.3 x 1011 times more B. Roughly 1.9 times more C. Roughly 16 times more D. Roughly 6.9 times more E. Roughly 1.1 times more

Q: A chemist fills a reaction vessel with 6.86 atm nitrogen (N₂) gas, 0.500 atm oxygen (0₂) gas, and…

A:

Q: Using Thermochemical Data, calculate ΔS for the following reaction. Is entropy increasing or…

A: ANSWER IS

Q: Complete the thermodynamics table for the processes shown. Reaction or Process Spontaneous? Sign…

A: A spontaneous reaction is one which favours the formation of products and results in an overall…

Q: At 25°C, the formation of ammonia from its elements results in a decrease in entropy (∆SRXN = -197…

A: According to the question about the formation of ammonia we have, The Change (decrease) in the…

Q: Ozone in the lower atmosphere is a pollutant that can form by the following reaction involving the…

A:

Q: ow as it ripens D. A&B C. Throwing 50 coins results in all tails 8. According to the third law of…

A: Third law of thermodynamics states that  Entropy of a pure substance at perfectly crystalline state…

Q: Consider the greenhouse gases, CF2Cl2 and CH2CF2.  These have the following properties: CF2Cl2:…

A: The reaction given is CF2Cl2 +  H2 ⇌  CH2CF2 +  Cl2

Q: Consider the reaction 2 NO2(g)  N2O4(g) . (a) Using Gf N2O4(g) = 97.79 kJ/mol and Gf NO2(g) = 51.3…

A:

Q: Define spontaneity of a reaction in terms of ∆G. Determine if a process is spontaneous based on…

A:

Q: A pure gold ring and pure silver ring have a total mass of 14.9 g.We heat the two rings to 62.0°C…

A: Given, A pure gold ring and a pure silver ring have a total mass = 14.9 g Volume of water =15.0 mL…

Q: What is ΔG° at 25 ºC for a process that has ΔH° = −35.4 kJ/mol and ΔS° = −153 J/mol·K? 45.6 kJ/mol…

A: Given: ΔH° = −35.4 kJ/mol  ΔS° = −153 J/mol·K Temperature T =  25 ºC = 273 + 25 = 298 K

Q: All changes saved 1. A glass of ice water is placed on a table on a hot afternoon. Condensation…

A: When ice is taken in a glass kept at the table on a hot afternoon, the condensation of water vapour…

Q: At 25°C, the formation of ammonia from its elements results in a decrease in entropy (∆SRXN = -197…

A: we have to calculate the value of ∆SUNIV

Q: A. For a certain process, ΔH° = -35.4 kJ and ΔS° = -85.5 J/K. Calculate ΔG°for this process and…

A: Since you have posted multiple questions, we will solve only first question for you. If you want any…

Q: The molar entropies of methane and carbon dioxide at 25°C are 186.6 and 213.8 J/mol·K, respectively.…

A: The molar entropy in terms of microstates can be expressed as,…

Q: onsider the combustion reaction of ethane: 2 C2H6 (g) + 7 O2 (g)  6 H2O (g) + 4 CO2 (g) Which is…

A: The given reaction is, 2C2H6g+7O2g→6H2Og+4CO2g

Q: Change Is this change spontaneous? O Yes. A solid precipitates from a solution, releasing heat as it…

A:

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: Any reaction is considered to be spontaneous only when there is increase in randomness of molecules.…

Q: 1. The entropy will usually increase when I. a molecule is broken into two or more smaller…

A: Since you have posted more than one question, we will solve only first question for you. If you want…

Q: Determine ∆G° for the phase change CO₂(g) → CO₂(aq) at 25°C.

A:

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: Spontaneous reaction : A reaction is called spontaneous, if the product formation occurs in a given…

Q: 5. Consider the combustion reaction of octane (C8H18, mol. wt. = 114.23 g/mol, density = 0.703…

A:

Q: Consider the reaction 2 NO2(g)  N2O4(g) . (a) Using Gf N2O4(g) = 97.79 kJ/mol and Gf NO2(g) = 51.3…

A:

Q: Adding sidewalk deicer (calcium chloride) to water causes the temperature of the water to increase.…

A: A crystal of CaCl​​​2 is highly ordered. Strong ionic bond holds the anions and cations together in…

Q: Using the thermodynamic information: 1/2 N2(g) + 1/2 02(g)--> N0(g) delta H degrees = 90.4 kJ/mol…

A:

Q: The boiling point of carbon disulfide is 46.3oC at 1.0 atm, and its enthalpy of vaporization is…

A:

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A:

Q: A certain reaction has ∆?°= -19.5KJ and ∆S°= 42.7 J/K, does the reaction lead to an increase or…

A: Entropy is measure of randomness or disorderness in the system. More the entropy, more is…

Q: When the environment is contaminated by a toxic or potentially toxic substance (for example, from a…

A: It is stated by second law of thermodynamics, that entropy of universe gets increased in a…

Q: Explosive reactions often have a large negative enthalpy change and a large positive entropy change,…

A: In this reaction we get ∆G° is negative so reaction will be favourable. n is the total moles of gas…

Q: Which system has the greatest entropy? (a) 1 mol of H2(g)at STP (b) 1 mol of H2(g) at 100 °C and 0.5…

A: Entropy is also a measure of the molecular disorder, or randomness, of a system. The entropy of an…

Q: Determine the AH° for the overall reaction based on the three-step thermochemical processes below:…

A: ∆H values -  Reaction 1 = 167.5 KJ  Reaction 2 = 341.4 KJ  Reaction 3 = 43.4 KJ  Final reaction = ?

Q: A reaction has the following thermochemical values at 283.15 K: ΔH = -183.3 kJ mol-1 ΔS = -160.6 J…

A:

Q: The entropy will usually increase when I. a molecule is broken into two or more smaller molecules.…

A: Entropy can be defined as the randomness or disorderness. Higher the number of gaseous molecules,…

Q: Benzene, Cg H6, has a normal boiling point of 80.1°C and an enthalpy of vaporization, AH, of 30.14…

A: The entropy change accompanying the change in phase from liquid phase to vapor phase is called the…

Q: Calculate DG in kJ for this reaction at 25C using information from Appendix I| CO2(g) + CCI4(g)…

A: The answer is given below

Q: 1) Given the following balanced equations, determine which is in a more disordered state. a. H₂O(l)…

A: Given,

Q: Which of these processes are nonspontaneous? Are the nonspon-taneous processes impossible? a. a bike…

A: Spontaneous processes are those which take place on their own such as rusting of iron. These are…

Q: which statement about entropy is true? non-spontaneous reactions sometimes will happen all by…

A:

Q: 4: Consider the reaction 3H2 (g) + Fe2O3 (s) ⇄ 2 Fe (s) + 3 H2O (g) Use the data on the last page to…

A: The change in enthalpy which takes place under standard conditions is known s standard enthalpy of…

Q: Which process is not reversible? O melting wax dissolving sugar in water O burning butane in a…

A: Reaction would not be reversible if it is not turn back by any process 1. Melting of wax is a…

Q: Consider the evaporation of methanol at 25.0 ∘C: CH3OH(l)→CH3OH(g). a) PCH3OH=154.0mmHg Express the…

A: The given reaction and the Standard Gibbs free energy is calculated as follows,

Q: Indicate whether each process is spontaneous or nonspontaneous. a. water vapor condensing at 50 °C…

A: Answers are explained below.

Q: N2(g) + O2(g) 2 NO(g)   H = +180.7 kJ 2 H2O(l) 2 H2(g) + O2(g)   H = +571.7 kJ 4 NH3(g) + 5 O2(g)…

A: given,  reaction 1: N2(g) + O2(g)⇔ 2 NO(g)       H= +180.7 kJ reaction 2: 2 H2O(l) ⇔ 2 H2(g) + O2(g)…

Q: System A |8 J System B | 8 J 7J 6J Energy 4J 3J |2J 4J 2J Question 21 options: System A has more…

A: The systems given are, Given: The number of particles is 3 And the total energy of particles is 12…

Q: The ∆H and ∆s for the decomposition of sulfur tetrabromide to sulfur and liquid bromine is +115 kJ…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: For each pair listed below, which choice has the substance with the highest entropy listed first?…

A: Entropy is defined as the degree of disorder in the substance. The factor that affects the entropy…

Q: 45. If a chemical reaction has a positive change in entropy, AS, then: A) the reaction is…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 13) Chlorofluorocarbons (CFCs) are no longer used as refrigerants because they help destroy the…

A: We have boiling point of CCl3F as 23.8°C, also molar heat of vaporization is 24.8 kilo joule per…

Q: Determine the total entropy change when 15.00 g of ice at –15°C is heated to 75°C. The molar heat of…

A: