For a particular process, if the change in enthalpy is 215.0kJmol and the change in entropy is −59.00Jmol K at 120.00∘C, what is the change in free energy? Include a negative sign in your answer, if appropriate. Round your answer to the nearest tenth.  Provide your answer below:

Q: Use the data from the table of thermodynamic properties…

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Q: Calculate the work, w, (in J) when 7.5 litre of an ideal gas at an initial pressure of 5.9 atm is…

A: The formula of work done in the expansion of a gas is :Where -W = work donePExt = external pressure…

Q: When 0.5571 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises…

A: Given:   Heat capacity =  5.861 kJ∘C−1. Given mass of bilhenyl =  0.5571 gm Molecular mass of…

Q: Calculate ΔrHΔrH for the following reaction: CaO(s)+CO2(g)→CaCO3(s) Use the following reactions…

A: 1- First reverse the Last equation : 2CaO(s) ------> 2Ca(s) + O2(g)..... (4)  ∆H1 = +1269.8…

Q: Consider the reaction N2(g)+3H2(g)→2NH3(g),N2(g)+3H2(g)→2NH3(g), ΔHΔH =−92.3kJ mol−1=−92.3kJ mol−1…

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Q: Calculate ΔrH for the following reaction: P4(g) + 10Cl2(g) → 4PCl5(s) Express your answer to 4…

A: The thermochemical equations can be treated as algebraic equation which can be added,  subtracted,…

Q: Combustion of C12H22O11(s) (sucrose or "table sugar") produces CO2(g) and H2O(l). When 3.45 g of…

A: Given: The combustion reaction of glucose is, C12H22O11(s) + O2(s)-----------> 12 CO2(g) + 11…

Q: The industrial degreasing solvent methylene chloride, CH2Cl2, is prepared from methane by reaction…

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Q: When 11.9 g of barium bromide (BaBr2) is dissolved in 107 g of water in a styrofoam calorimeter of…

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Q: In an experiment to determine ΔHfusion of ice, a student added 29.04 grams of ice originally at…

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Q: Use the data below and Hess’ law to calculate the ΔrHo for the overall reaction: C2H4(g) + 6F2(g) →…

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Q: Calculate ΔH for the process: Hg2Cl2 (s) → 2Hg(ℓ) + Cl2(g) from the following information: Hg(ℓ)…

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Q: 1.22 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb calorimeter. The…

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Q: 5.00 g of potassium hydroxide (molar mass = 56.1 g/mol) dissolves in 100.0 g of water and the…

A: The question can be solved by giveb formula,  Q=m×C×dT where Q = heat energy (Joules, J),  m = mass…

Q: Calculate the entropy change of the universe (J/mol-K) when the entropy change of the system is 38.4…

A: Given the entropy change of the system, ∆Ssystem = 38.4 J/mol-K

Q: What is the chemical significance of a negative enthalpy change and a negative entropy change?

A: Enthalpy change is nothing but the amount of heat evolved or absorbed during a chemical reaction at…

Q: ΔEsys

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Q: Reaction 1: 20F2 (g) → O2(9) + 2 F2 (9) AH=-49.4 kJ Reaction 2: N2 (g) + 202(g) → 2NO2 (g) AH=+66.4…

A: When the gibbs free energy change is positive then the reaction is spontaneous and when the gibbs…

Q: Substitute natural gas (SNG) is a gaseous mixture containing CH₄(g) that can be used as a fuel. One…

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Q: The combustion of 2.474 g of propanol (C3H7OH) increases the temperature of a bomb calorimeter…

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Q: Consider a process in which the entropy of a system increases by 105 J K−1 and the entropy of the…

A: Given information,    The entropy of a system increases by 105 J K−1    The entropy of the…

Q: Combustion of C12H22O11(s) (sucrose or "table sugar") produces CO2(g) and H2O(l). When 1.43 g of…

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Q: Acetic acid (CH3CO2H), whose aqueous solutions are known as vinegar, is prepared by reaction of…

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Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…

A: ΔG°rxn = −30.5 kJ/mol  T = 37.0 °C and pH = 7.0 [ATP] = 5.0 mM [ADP] = 0.50 mM and [HPO42-] = 5.0 mM…

Q: Ice is heated at a constant pressure until it melts and vaporizes. What signs are associated with…

A: Ice is heated at a constant pressure until it melts and vaporizes.What signs are associated with the…

Q: The reaction of ammonia(g) with oxygen(g) to form nitrogen monoxide(g) and water(g) proceeds as…

A: Given that 3.47 g ammonia reacts with oxygen  to give  nitrogen monoxide. Number of moles of ammonia…

Q: A 50.0 mL sample of 0.150 M aqueous hydrochloric acid is added to 50.0 mL of 0.150 M aqueous ammonia…

A: we have to calculate ΔrH per mole of HCl and NH3 reacted for the given reaction

Q: 24) A 1.50 g sample of pure sucrose is burned in a bomb calorimeter that has a heat capacity of…

A: Mass of Sucrose (m)= 1.50 g  Heat Capacity (C) = 8.930 kJ/°C Change in temperature (∆T) = 26.77°C -…

Q: What is the significance of the sign of ΔHºrxn?

A: The ΔHºrxn is called the enthalpy of the reaction, or the heat of the reaction. The enthalpy is…

Q: If energy flows into a chemical system and out of the surroundings, what is the sign of ΔEsurr?

A: Given that,  Energy flows into a chemical system and out of the surroundings

Q: Combustion of C12H22O11(s) (sucrose or "table sugar") produces CO2(g) and H2O(l). When 3.96 g of…

A: Given:  Mass of sucrose = 3.96 gm  Molar mass of sucrose = 342 gm/mole  Heat liberated = 65.3 KJ

Q: Calculate ΔGo for a reaction for which ΔHo = 24.6 kJ and ΔSo= 132 J/K at 298 K.

A: Gibbs free energy is related to enthalpy change and change in entropy at constant temperature as,…

Q: An object at 400 K absorbs 25.0 kJ of heat from the surroundings. What is the change in entropy ΔS…

A: The given data is as follows: The temperature of the object = 400 K The object absorbs heat ∆H= 25.0…

Q: Given the data in the table below, determine ΔH°rxnfor the reaction             4NO (g)  +  6 H2O…

A: In this question, we will determine the value of ∆H° reaction. We know the formula, product enthalpy…

Q: A 0.588 g sample of liquid C5H12 was combusted using excess oxygen gas inside a bomb calorimeter,…

A: Explanation The heat of reaction, ΔrU is  calculated as: ΔrU = ΔU / n Where ΔU is the change in…