Consider the following reaction at constant P. Use the information here to determine the value of ΔS surr at 298 K. Predict whether or not this reaction will be spontaneous at this temperature.

Q: For a particular reaction, Δ?∘=20.1 kJ/mol and Δ?∘=45.9 J/(mol⋅K). Assuming these values change very…

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

A: Spontaneity is predicted by change is gibbs energy, if change in gibbs energy is negative then the…

Q: Determine the value for ΔSsurr for the following reaction at 40.0°C. 2 CO(g)  +  O2(g)  →  2 CO2(g)…

A: Given reaction: 2 CO(g)  +  O2(g)  →  2 CO2(g)     ΔHorxn = –566.0 kJ  We have to find ΔSsurr.

Q: For which of these reactions will the difference between ΔH° and ΔE° be the smallest? N2(g) +…

A: We have to calculate the  option which have smallest difference in ∆H0 and ∆E0.

Q: What is ΔH° for the following phase change? NaCl(s) → NaCl(l) Substance ΔH°f (kJ/mol) NaCl(s)…

A: Given NaCl(s) → NaCl(l)Substance          ΔH°f (kJ/mol)NaCl(s)               –411.12NaCl(l)…

Q: At what temperature does the following reaction become spontaneous?  Is it spontaneous below this…

A: Given that delta S is -144.7J/K and the value of delta H is -1152 kJ. Since both values are…

Q: Dinitrogen tetroxide (N2O4) decomposes to nitrogen dioxide (NO2). If ΔH° = 58.02 kJ/mol and ΔS° =…

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Q: The heat of vaporization of methanol, CH3OH, is 35.20 kJ/mol. Its boiling point is 64.6°C. What is…

A: The change in entropy  for the vaporization of methanol has to be calculated, Given: The heat of…

Q: Under what temperature conditions would the following reactions occur spontaneously? a) 2NH4NO3 (s)…

A: a). Given reaction is : 2NH4NO3 (s) -----------> 2N2 (g) + 4H2O (g) + O2 (g) , ΔH0 = -236.0…

Q: Calculate ΔrS° at 25°C for the combustion of methanol: ΔrH°= -638.6 unbalanced equation: CH3OH(l) +…

A: Given :-  The Balanced equation for combustion of methanol   CH3OH(l) + 3/2 O2(g) → CO2(g) + 2…

Q: Ammonia can be produced by the reaction of hydrogen gas and nitrogen gas, as shown below: N₂(g) +…

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Q: Classify each statement as true or false.

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Q: Which statement is INCORRECT with respect to thermodynamics? A) The sign of ΔG for a reaction is…

A: A) Gibbs free energy change, ∆G is related with enthalpy change, ∆H, temperature and Entropy change,…

Q: Consider the decomposition of methanol, as follows. 2 CH3OH(l) → 2 CH4(g) + O2(g) Suppose 200.0 mL…

A: Here given that, The volume of methanol = 200.0 mL The density of methanol = 0.792 g/mL Then mass of…

Q: When 0.851 g of benzoic acid, C7H6O2 (122.12 g/mol) is burned in a bomb calorimeter, the temperature…

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Q: From the values of ΔH and ΔS calculate the minimum temperature at which each reaction will become…

A: ∆H = -389 kJ/mole = -389000 J/mole∆S = 27.8 J/K.mol

Q: For the reaction 2 A(g) → A2(g), Q = -20.00 kJ for the formation of one mole of A2(g) at constant…

A: Given data: The reaction is- 2 A(g) → A2(g), Q = -20.00 kJ  Temperature = 25.00◦C

Q: Use the thermodynamic data provided below to determine the ΔGº for the reaction. 1A(s) + 4B(g) ->…

A: 1A(s) + 4B(g) -> 1C(s) + 2D(g)ΔGº for the reaction = ?Given the following:ΔGf° = -96.0 kJ mol-1…

Q: During an energy exchange, a chemical system absorbs energy from its surroundings. What is the sign…

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Q: alculate the entropy change (in J/K) that occurs when 22.8 g of ice melts at its normal melting…

A: Given that: mass of ice = 22.8g melting point , T = 0oC                             =0+273=273K…