Which of the following processes are spontaneous?   air escaping a balloon   combustion of natural gas   a car going uphill   a hot drink cooling to room temperature   gas diffusing through the room   iron rusting   salt dissolving in water   extraction of iron metal from iron ore   recharging a battery

Q: Choose all the following processes that are spontaneous A campfire continuing to burn once it has…

A: The objective of the question is to identify which of the given processes are spontaneous. A…

Q: The thermal decomposition of molten sodium chloride into elemental gaseous sodium and elemental…

A: The thermal decomposition of molten sodium chloride into elemental gaseous sodium and elemental…

Q: acU3(S) decomposes lhto (S) and CO21g) at 1 atm the air around the reaction decreases in…

A: Given: Pressure = 1 atm CaCO3 decomposes into CaO and CO2, CaCO3s → CaOs + CO2g Given that…

Q: Consider this reaction: N2 (s) + 2 02 (g)→ 2NO2 (g) AS° = -121.77 J/K.mol; AH° = %3! 66.36 kJ/mol…

A: From the given question it is given that, ΔSo < 0 ΔH0 > 0

Q: For the following endothermic reaction, predict under which conditions the reaction will be…

A: The spontaneous nature of a system can also be predicted by the Gibbs free energy change of the…

Q: Pure crystalline silicon, Si (s), can be obtained by reacting silicon dioxide (in the crystalline…

A: The ∆H0 and ∆S0 of the reaction can be calculated as follows:

Q: Which of the following is not a spontaneous process at 25°C and 1 atm pressure? h O water boiling O…

A: A spontaneous process is one that occurs on its own whereas non spontaneous process is one that do…

Q: Consider the decomposition of red mercury(ii) oxide under standard conditions.  Is the de…

A: The decomposition reaction can be written as 2 HgO (s, red) -------------> 2 Hg (l) + O2 (g)

Q: Refer to Appendix B in your textbook entitled Standard Thermodynamic Values for Selected Substances…

A: Given: 2SO2(g) + O2(g) -----> 2SO3(g) From standard Table:  ∆f H°(SO2(g))     = -296.8 kJ/mol ∆f…

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

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: An air sample contains 53.78% nitrogen, 28.06% oxygen, and xenon, by volume. What is the density of…

A:

Q: Some conditions that influence entropy are: Larger atoms have higher entropy because they have more…

A: Entropy, a concept in thermodynamics, reflects the degree of disorder or randomness within a system.…

Q: A certain chemical reaction has a negative value for ΔStotal. What must be true? o The reverse…

A: The question is asking about the implications of a negative value for ΔStotal in a chemical…

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: A spontaneous reaction is spontaneous in one direction. O True O False

A: True.  Spontaneous reactions are uni directional.

Q: Which of the following would be a non-spontaneous reaction?     Building CO2 and H2O into glucose…

A: Here option A is correct  Building CO2 and H20 into glucose . A rock rolling down a hill is…

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

A: A reaction is said to be spontaneous if a change in Gibbs free energy is negative.…

Q: Recovering aluminum directly from its ore, which is primarily aluminum oxide, involves the following…

A:

Q: 4. Which of the following is spontaneous at SATP?   water condensing   Fe(s)→Fe(l)   wheat changing…

A: Here SATP is spontaneous at room temperature.  There must be increase in randomness for greater…

Q: You are working in a lab and observing a reaction. If a reaction vessel is cold to touch and the…

A: A question about thermodynamics, which is to be accomplished.

Q: What does a negative AHrxn tell you about the reaction? The system is becoming more disordered. The…

A: Enthalpy of reaction is defined as the amount of heat released or absorbed during the transformation…

Q: Consider the following reaction   AgBr(s) → Ag+(aq) + Br−(aq), ΔGo = +69.1 kJ   Calculate ΔG for the…

A: The relation between ∆G and ∆Go is  given by: ∆G = ∆Go + RT lnQ Where, R = universal gas constant,…

Q: For the process O2(g)      2O(g), ΔH° = 498 kJ·mol –1.  What would be the predicted sign of ΔS°rxn…

A: Given that :Reaction = O2(g) → 2O(g) ∆H° = 498kJ/mol

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

A:

Q: Example: What is the temperature range in which the following reaction is spontaneous?N2 + 3H2 →…

A: Step 1:Step 2:

Q: which statement about entropy is true? non-spontaneous reactions sometimes will happen all by…

A: