Indicate whether each process is spontaneous or nonspontaneous. a. water vapor condensing at 50 °C b. salt crystallizing from an unsaturated solution.  c. a cold drink warming up in the hot sun d. carbon dioxide bubbling out of a warm soda e. salt and sand particles separating themselves in a mixture f. all the oxygen in a room condensing at one spot

Q: Consider this hypothetical chemical reaction. A(s) + 3B(g) C(g) 25 The equilibrium constant for…

A:

Q: 11. A process that gains or accepts energy as it takes place is a(n) a. exergonic process b.…

A: A reaction in which free energy is released is called an exergonic reaction. In this Gibbs free…

Q: Spontaneous processes are reversible. O True O False

A:

Q: For each reaction, calculate AHrn, ASn, and AGxn at 25 °C and state whether or not the reaction is…

A: a. The reaction: N₂O₄(g) → 2 NO₂(g) Standard enthalpies of formation: N₂O₄(g): Hf =…

Q: 47. What is always true for any spontaneous reaction?

A: A spontaneous reaction is a reaction that favors product formation under the conditions reaction is…

Q: For the reaction 2 C4H10 (g) + 13 O2 (g) → 8 CO2 (g) + 10 H2O (g) AH° is-125 kJ/mol and AS is +253…

A: The change in Gibbs free energy for a reaction depends upon the change in enthalpy and the change in…

Q: certain substance has an enthalpy of fusion of 4.73 kJ/mol and an entropy of fusion of 21.2 J/mol/K.…

A: We know ∆H=∆S×T ∆H=4730j/mol ∆S=21.2j/mol/k So T=4730÷21.2=223.11k

Q: 11. Which is true for this process? solid gas D add heat AS (+) A. It is spontaneous at all…

A: For reaction to be spontaneous we need to check ∆G is negative or positive.If it comes out to be…

Q: Consider the reaction: N204(g) 2 NO2(g). What is AS° at 25 °C? AHP, kJ mol-1 AGf, kJ mol-1 NO2 33.85…

A:

Q: In which is there a positive entropy change? A. Magnesium combusts in air to form Magnesium oxide B.…

A:

Q: Identify whether the following process is spontaneous or nonspontaneous. Explain your answer.…

A: Given process, Dissolving table salt in boiling water. Melting ice at 25.0°C.

Q: 4. Select all that is considered spontaneous a. Cleaning your room b. A piece of bread molding after…

A: A spontaneous process is a process that occurs without the need for an external influence and…

Q: For a spontaneous exothermic process, which of the following must be true

A: The given question tells that the reaction is spontaneous and exothermic

Q: Identify each energy exchange as primarily heat or work and determine whether the sign of ΔE is…

A: The explanation is as given below:

Q: 4. Select all that is considered spontaneous a. Cleaning your room b. A piece of bread molding after…

A: A spontaneous process is a process that occurs without the need for an external influence and…

Q: Entropy, AS, and Gibbs Free Energy, AG, are both State Functions like AH and therefore can be used…

A: The measurement of how random the system under consideration is called entropy. The higher the…

Q: Solubility of PbCl2 in water is 0.0150 g/L at 25 oC. Determine standard free energy change for the…

A: The solubility of PbCl2 in g/L is given = 0.015 g/L Since solubility in g/L = molar solubility X…

Q: 4. The second law of thermodynamics states that A. the total energy change of the universe is always…

A: 4. The second law of thermodynamics states that:

Q: A statement of the second law of thermodynamics is that a. energy is conserved in a chemical…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: Consider the following reaction in which acetic acid decomposes to form methane and carbon dioxide:…

A:

Q: Determine whether each process is spontaneous or not. 1. Water molecules fprm from hydrogen amd…

A: No it is not spontaneous.

Q: A chemical reaction that happens quickly is spontaneous, and a reaction that happens slowly is…

A:

Q: Match the terms with the appropriate definition E. v Entropy A. absorb energy/heat B. energy…

A: Entropy is a measure of a system's thermal energy per unit temperature that is unavailable for doing…

Q: 1. A potential chemical reaction at 25.0 °C has a ΔHrxn of 147.5 kJ and a ΔSrxn of -386.9 J/K. What…

A: