Q: examples of application of the second law of thermodynamics
A: According to the 2nd law of thermodynamics, the total entropy of any system will always either…
Q: Calculate the maximum work that could be obtained at 25°C and 1 atm from the oxidation of 3.36 mol…
A: Maximum work obtained from a system is equal to the free energy change of that system.
Q: Use standard thermodynamic data (in the Chemistry References) to calculate AG at 298.15 K for the…
A: Given, Pressure of all gases 12.59mmHg 2SO2(g) + O2(g) -------> 2SO3(g)
Q: For a certain process at 297 K, AG = +929 kJ and AH=+501 kJ. What is AS for this process?
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Q: How Gibbs free energy is determined by the volume of the substance ?
A: To find: relation between Gibbs free energy and volume?
Q: 5-Define these terms: system, surroundings, open system, closed system, isolated system, and the…
A: Thermodynamics is branch of science that deals with the relationship between heat and other forms of…
Q: Use the data from this table of thermodynamic properties to calculate the values of ASixn for each…
A: For the given reaction, 2H2O2 (l) → H2O (l) + O2 (g) ∆S°rxn = (Σv∆S°)product -…
Q: Which process would be predicted to have AS < 0? a solid melting a bond forming a solution being…
A: When atoms are more randomly or disorderly present in a substance then it is called entropy of…
Q: For the reaction 2NH3(g) + 202(g)¬N20(g) + 3H,0@) AH° = -683.1 kJ and AS° = -365.6 J/K The maximum…
A: The thermodynamic equation of energy is shown below: Where; ∆H= change in enthalpy T= temperature…
Q: a.) Image 1 b.) Image 2
A: a.) First, the balanced equation for combustion of CH3OH is as follows, The ∆G0 value is first…
Q: calculate the maximum amount of work that can be obtained from the combustion of 1.00 mole of…
A: The balanced equation of combustion of ethane can be given as
Q: The values of delta Horxn and delta Sorxn for the reaction 2 NO(g) + O2(g) --> 2NO2(g) are…
A: Given, 2 NO(g) + O2(g) --> 2NO2(g) Horxn = -12kJ = -12000 J Sorxn = -146J/K T = 298K…
Q: Given
A: We know that, 1J = 10^-3 kJ ∆S° = -146.5 Jmol-1K-1 ∆S° = -146.5 • 10^-3 kJmol-1K-1 ∆S° = -0.1465…
Q: Calculate AS° for C(g) + 2 H2(g) → CH«(g). Substance S° (J/mol·K) C (g) 5.7 H2 (g) 130.6 CH4 (g)…
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Q: When ethene is mixed with hydrogen in the presence of a platinum catalyst, hydrogen adds across the…
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Q: Using data for ∆H0 and ∆S0 , calculate ∆G 0 for the following reactions at 1 atm and 25ºC.…
A: Hey, since there are multiple questions posted, we will answer first question. If you want any…
Q: Calculate Δ S and Δ Gf° for the combustion of ethane (C2H6). Refer to the values in the picture.
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Q: A crucial reaction for the production of synthetic fuels is the production of H2 by the reaction of…
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Q: For the reaction 2502(g) + 02(g)2S03(g) AG° = -132.2 kJ and AS° = -187.9 J/K at 349 K and 1 atm. The…
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Q: 5.59 What is meant by the standard-state condition?
A: Standard-state condition is a term used in chemistry for gases, liquids be it a substance which is…
Q: Predict the sign of ∆Ssys for each of the following processes: Gaseous CO reacts with gaseous H2 to…
A: Entropy of the system is a measure of its randomness.If the number of molesare more,entropy will be…
Q: Calculate the absolute entropy, S° , per mole of 03 (g).
A: The enthalpy change of the given reaction can be calculated as,
Q: Write any two consequences of the application of the second law of thermodynamics with suitable…
A: The universe entropy (also referred as randomness) always tend to increase in accordance with…
Q: For the reaction 250,(g) + O,(g)→2S0,(g) AG° --139.9 kJ and AS° -187.9 J/K at 308 K and I atm. The…
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Consider the gas-phase reaction NO + 1/2O2 NO2 for which ΔH° = –57.05 kJ and K = 1.54 × 106 at 25°C.…
A: The reaction is given as follows: The value of ΔH° and K for above reaction are –57.05 kJ and K =…
Q: Use the Standard Thermodynamic Properties table to calculate ΔHo for the following reaction:…
A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…
Q: For the reaction Fe,03(8) + 2AI(s)- A,03(s) + 2Fe(s) AH° = -851.5 kJ and AS° --37.0 J/K The maximum…
A: The given reaction is : Fe2O3(s) + 2Al(s) → Al2O3(s) + 2Fe(s)∆H°=-851.5 kJ and ∆S°=-37.0…
Q: Consider the reaction Cl2(g) + Br2(g) → 2 BrCI(g) at 25 °C. Using the information in the table,…
A: Cl2 +Br2 →2BrCl at 25 0C △SCl2 = 223.0 J/mol-K△SBr2 = 245.5 J/mol-K△SBrCl = 240.0 J/mol-K
Q: Consider the combustion of one mole of methane gas:CH4(gas) + 2O2(gas) --> CO2 (gas) +…
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Q: Use the data from this table of thermodynamic properties to calculate the values of ASxn for each…
A: 4 NH3(g) + 7 O2 (g) → 4 NO2(g) + 6 H2O(g)S°(NH3, g) = 192.5 J/mol KS°(O2, g) = 205.14 J/mol…
Q: (Q69) Using the tabulated values from the text (located in Appendix G, beginning at p. 1211)…
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Q: Hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH) to form sodium chloride (NaCl) and…
A: The relationship between Gibbs free energy change, enthalpy change and entropy change is given by…
Q: Coal can be converted to methane, a chief component of natural gas, according to the following…
A: To solve this problem we have calculate ∆Gº and Kp for the given reaction at 25ºC .
Q: The complete combustion of cyclohexane occurs according to the following equation: CSH12(g) + 902(g)…
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Q: Calculate ∆H°25° for the reaction: Fe3O4(s) + 2 C(s, graphite) → 3 Fe(s) + 2 CO2(g) from the…
A: The given reaction is, Fe3O4(s) + 2 C(s, graphite) → 3Fe(s) + 2CO2(g) The given reactions are, 1)…
Q: Consider the combustion of one mole of methane gas:CH4(gas) + 2O2(gas) --> CO2 (gas) +…
A: The heat of formation is defined as the heat change, when one mole of compound is formed from its…
Q: Calculate AS (for the system) when the state of 4.00 mol monatomic ideal gas molecules, for which…
A: Using the formula; delta(S) = n*cp*ln(Tf/Ti) - n*R*ln(P f/P i) Given, n = no. of moles = 4 cp,m =…
Q: Consider the following generic reaction: A+2B→C+3DA+2B→C+3D, with ΔH = 148 kJ . Determine the value…
A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…
Q: Use the data from this table of thermodynamic properties to calculate the maximum amount of work…
A: Dear student, you have not provided the data table link, but I am solving the question based on…
Q: Is there any connection between second law and third law of thermodynamics? Explain by giving…
A: Second law of thermodynamics states that the entropy of an isolated system always increases and…
Q: Given the following reactions CaO (s) + CO2 (g) AH = 178.1 kJ %3D CaCO3 (s) AH = -393.5 kJ C (s,…
A: Hess' law of constant heat summation: The Hess law states that the change of enthalpy in a chemical…
Q: A piece of zinc of mass 5.00 g is dropped into a beaker containing 250. mL of 0.560 M hydrochloric…
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Q: 13. The enthalpy change, AH, of a process is defined as: The quantity of heat transferred in or out…
A: Answer:- When heat is exchanged between system and surrounding at constant volume it is called…
Q: A 2.29 g sample of NH¼NO3(s) (MW = 80.04 g/mol) is dissolved in 25 mL of H2O at 23.0 °C in a coffee…
A: Density of water is 1.00 g/mL Mass of water is calculated as follows, Volume=25.0…
Q: For the following reaction at 25°C, AH° = +115 kJ and AS° = +125 JK. Calculate AG° for the reaction…
A: Given :- SBr4(g) → S(g) + 2Br2(l) ∆H° = +115 kJ ∆S° = +125 J/K T = 25°C To be calculated :-…
Q: Photosynthesis can be represented by the equation 6CO2(g) + 6H2O(1) = C,H12O6(s) + 602(g) a)…
A: Calculation of entropy change of photosynthesis reaction
Q: Consider the combustion of one mole of methane gas:CH4(gas) + 2O2(gas) --> CO2 (gas) +…
A: The heat of formation is defined as the heat change, when one mole of compound is formed from its…
Calculate DH for the reaction 2N2(g) + 5O2(g) ---> 2N2O5(g), from the following Data.
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- A 1.25 L bottle of soda exerts a force of ________ N and a pressure of ________ Pa when placed on a table. The round cylindrical bottle has a diameter of 10.0 cm and a height of 25.0 cm. Assume that the density of the soda is 1.0 g/mL, and that the mass of the plastic bottle is negligible. Remember, the acceleration due to gravity is 9.81 m/s2; 1 Newton = 1 kg m/s2, 1 Pascal = 1 kg/(m s2), A = π r2, V = π r2hHOW DO I SOLVE THIS QUESTION?Which of the following matches the given data? 13C: δ 73, 68, 65, 62, 58, 55, 53, 50 1H: δ 3.74 (s, 1H, broad), 2.11 (q, 2H), 2.09 (s, 2H), 1.43 (t, 2H), 1.31 (t, 2H), 1.00 (s, 6H)Mass of the gelatin capsule was: 0.1134 g Mass of the capsule and the allow sample was: 0.3218 g Ambient Temperature was: 23°C Mass of empty beaker: 154.3 g Mass of beaker with water: 401.6 g Vapor pressure of water for this data: 21.1 mmHg Atmospheric Pressure: 732 mmHg Assume density of water to be 1.0000 g/mL What is the ambient temperature in Kelvin? What is the mass of the alloy sample? What is the mass of the displaced water? Using equation Ph2 = Patm - VP H2O what is the pressure of the dry H2 in atm?
- The time flight of an unknown compound was 23.021 μs at 1087V and flight tube lenght of 1.0m. What was the molecular weight?- What is the most likely speed of a Ne atom in this sample? - What higher speed is only half as likely as the most likely speed? - What higher speed is only 10% as likely as the most likely speed?A student dissolves 10.3g of ammonium nitrate NH4NO3 in 300.g of water in a well-insulated open cup. He then observes the temperature of the water fall from 22.0°C to 19.3°C over the course of 3.1 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: NH4NO3s -> NH+4aq + NO−3aq You can make any reasonable assumptions about the physical properties of the solution. Be sure answers you calculate using measured data are rounded to the correct number of significant digits. Is this reaction exothermic, endothermic, or neither? If you said the reaction was exothermic or endothermic, calculate the amount of heat that was released or absorbed by the reaction in this case. Calculate the reaction enthalpy ΔHrxn per mole of NH4NO3.
- These organic solvents are used to clean compact discs:(a) If a 15.00-mL sample of CD cleaner weighs 11.775 g at 20C, which solvent is most likely to be present?(b) The chemist analyzing the cleaner calibrates her equipment and finds that the pipet is accurate to 0.02 mL, and the balance is accurate to 0.003 g. Is this equipment precise enough to dis-tinguish between ethanol and isopropanol?If V= 9.14L at 24.0°c; Find V (L) at 48.0°c.These organic solvents are used to clean compact discs : (a) If a 15.00-mL sample of CD cleaner weighs 11.775 g at 208C, which solvent does the sample most likely contain? (b) The chemist analyzing the cleaner calibrates her equipment and finds that the pipet is accurate to +-0.02 mL, and the balance is accurate to +-0.003 g. Is this equipment precise enough to distinguish between ethanol and isopropanol?
- Some solar-heated homes use large beds of rocks to store heat. (a) How much heat is absorbed by 100.0 kg of rocks if their temperature increases by 12C? (Assume that c=0.82J/gC.) (b) Assume that the rock pile has total surface area 2 m2. At maximum intensity near the earth's surface, solar power is about 170 watts/m2. (1watt=1J/s.) How many minutes will it take for solar power to produce the 12C increase in part (a)?a) 80°C, 40.0 kPab) 100°C, 120.0 kPac) -10°C, 66.7 kPaList down real-life applications of the three fundamental laws of chemistry
