Copper Bromine Helium

Q: List any chemical changes you can think of in which entropy increases

A: Change in Gibbs free energy is given by,     ∆G = ∆H - T∆S ∆H = change in enthalpy ∆S = change in…

Q: methanol, CH3OH, vaporizes at 25°C is 35.4 kJ/mol. What is the entropy change (in J/K) when one mole…

A: Given,   □Hvap = 35.4 kJ/mol T = 25 °c = 298 K □S = □H/T   = 35.4 ×1000/298 = 118.79 J/K-mol

Q: Consider the following reaction: 2 NO(g)  N2(g) + O2(g) The enthalpy change at 298 K for this…

A: The given equilibrium reaction is  2 NO(g) ---------->  N2(g) + O2(g) The enthalpy change at 298…

Q: Is there any difference between post-processing and post-treatment?

A: A question based on the terms used in chemical methods, which is to be accomplished.

Q: at what temperature will this reaction be exactly at equilibrium?

A: Enthalpy change (∆Ho)=-162.2 kJ =-162.2  X 103J Entropy change (∆So)=104.2 J/K ∆Go=0 at equilibrium…

Q: The balanced chemical equation for the combustion of propane gas is: C3H8 (g) + 5 O2 (g) --> 3 CO2…

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Q: Oxygen (O₂) is necessary for cellular respiration; it must be transported from the lungs to tissues…

A: There is following relationship between Gibbs free energy change and Equilibrium constant - ∆G° = -…

Q: use the data below to calculate the temperature at which the dissociation of I2(g) is 50% at 1 atm…

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Q: Zn(s) + 2HC1(aq) → ZnCl2 (aq) + H2 (g) + 153kJ For this reaction at 25°C, • Change in enthalpy: […

A: The reaction given is,

Q: What is the entropy change (in J/K) associated with the formation of 15.0 g of SO2 for the reaction…

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Q: Using enthalpies of formation (See the Supplemental Data), calculate ΔH° (in kJ) for the following…

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Q: Using enthalpies of formation (See the Supplemental Data), calculate ΔH° (in kJ) for the following…

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Q: Calculate the entropy change (in J/K) that occurs when 15.3 g of ice melts at its normal melting…

A: we have to calculate the entropy change

Q: For a particular reaction at 148.1 °C, Δ?=−1428.51 kJ, and         Δ?=393.69 J/K  .  Calculate Δ?…

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Q: Calculate the entropy change (in J/K) that occurs when 31.7 g of ice melts at its normal melting…

A: we have to calculate the entropy change

Q: Consider the following equation: 3C2H2(g) ↔ C6H6(g) ΔGof(C2H2, g) = +209.2 kJ/ mol; ΔGof(C6H6, g) =…

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Q: Consider the synthesis reaction for ammonia: N2(g) + 3H2(g) ↔ 2NH3(g)        ΔrHo = -91.2 kJ/mol…

A: If the two opposing process in a reversible change are chemical change and the state in this change…

Q: A particular reaction has a ΔHo value of -141. kJ and ΔSo of -104. J/mol K at 298 K. Calculate ΔGo…

A: We are given :648. K Change in enthalpy (ΔHo)  =   -141. kJ change in entropy (ΔSo)  = -104. J/ K =…

Q: In a typical cold pack (used for sports injuries), a salt such as ammonium nitrate is kept in a…

A: Dissolution of ammonium nitrate in water is given by, NH4NO3(s)→H2O(l) NH4+(aq)+NO3-(aq)   ∆H=+25.09…

Q: 6) Consider H;0 going from the gas phase to liquid phase to solid phase. Describe the changes in…

A: In the vapor state, the gas phase of water, water molecules have the highest kinetic energy and this…

Q: The balanced chemical equation for the combustion of propane gas is: C3H8 (g) + 5 O2 (g) --> 3 CO2…

A: Given reaction: C3H8 (g) + 5 O2 (g) → 3 CO2 (g) + 4 H2O (g) ∆G°RXN = -2385 kJ Temperature = 17.0 °C…

Q: Given the particulate models here that depict Cu in solid form, Br2 in liquid form, and He in…

A: The Gibb’s equation of thermodynamic purposed a relation between ΔS, ΔH and ΔG with Temperature.…

Q: Use the thermodynamic data below to answer the following questions regarding this chemical reaction:…

A: Thermodynamics is branch of science that involves the study of heat, work, temperature and energy.…

Q: The enthalpy of fusion (∆Hfusion) for the melting of water is 6.02 kJ/mol.  This phase change from…

A: The entropy change ∆S when a system gets a quantity of energy q at a constant temperature, T, is…

Q: HI has a normal boiling point of -35.7 and its ΔvapH is 21.16 KJ/mol. Calculate the molar entropy…

A: Chemical thermodynamics is branch of chemistry in which we deal with amount of heat evolved or…

Q: A compound melts at -55 ∘C and has a heat of fusion of 21 kJ/mol.  Calculate its change in entropy…

A: Melting point = -55°CT = (-55 + 273.15) K = 218.15 KHeat of Fusion = 21 kJ/mole = ∆H

Q: What is the change of entropy in the vaporization of 5 grams of ice cube at 0C to steam at 100 C.…

A: The degree of randomness of the system is called entropy. Specific heat capacity of water(c)=…

Q: he balanced chemical equation for the combustion of propane gas is: C3H8 (g) + 5 O2 (g) --> 3 CO2…

A: The standard free energy (G) and the Gibbs free energy change (∆G°) can be related by the equation…

Q: The normal boiling point of a substance is 433 °C. Calculate the pressure at which this substance…

A: this solution is done using the clausius-clapeyron equation .

Q: Consider the reaction below and its corresponding thermodynamic data to answer the following…

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Q: Consider the following reaction.  Use the information here to determine the value of ΔSsurr at 355…

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Q: For the reaction N20 (g) + NO2 (g) →3 NO (g), at 25°C AH° = +155.6 kJ/mol and AS° = +172.4 J/mol K.…

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Q: Calculate the standard free energy change (kJ/mol) for the reaction shown at a temperature of 298.15…

A: According to the question we have a reaction between the nitrogen gas and oxygen gas which is as…

Q: When 0.783 g of benzoic acid, C7H6O2 (122.12 g/mol) is burned in a bomb calorimeter, the temperature…

A: Given , mass of benzoic acid = 0.783 g

Q: Calculate ΔrH° for the combustion of methane gas, CH4 : CH4(g)  +   2 O2(g)  →   CO2(g)  +  2…

A: The standard enthalpy change for the formation of one mole of a compound from its elements in their…

Q: You discover a new chemical reaction that has a standard entropy change equal to 167.1 J/mol•K and a…

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Q: Given the particulate models here that depict Cu in solid form, Br2 in liquid form, and He in…

A: The Gibb’s equation of thermodynamic purposed a relation between ΔS, ΔH and ΔG with Temperature.…

Q: Use the reaction for the formation of NH3 from its elements N2(g) and H2(g) . This reaction has the…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Use the following data to calculate AGºrxn for the equation below using enthalpy and entropy of…

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Q: For a given reaction, ΔH = +31.15 kJ/mol and ΔS = +126.83 J/K · mol. Above what temperature is the…

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Q: The element oxygen was prepared by Joseph Priestley in 1774 by heating mercury(II) oxide: HgO(s) →…

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