h, and calculate be spontan line notation of the Zn+Ca2+ a) Spontaneous b) Not spontaneous c) Not sure Zn2+ + Ca Zn² (aq) + 2e Cr³ (ay) +36 2 H₂O(0+2

Q: Question 18 of 25 Which law states that the entropy of a perfect crystalline substance is zero at…

A: Answer  The entropy of perfect crystalline substance is zero at the…

Q: The requirement for a spontaneous chemical reaction is choose your answer... choose your answer...…

A: A spontaneous reaction is a chemical reaction that occurs naturally without the need for external…

Q: A student places a piece of solid iron into a solution containing copper(II) ions. 7 (a) Write the…

A:

Q: At constant temperature (T) and pressure (P), a negative sign for AG indicates that: AS must be…

A: A process which under some given conditions may take place by itself or by initiation independent of…

Q: For the reaction Select one: AGO =-10.9 kJ mol 1 at 298 K. If both Cl, (g) and ICI(g) are put into a…

A: Given ,

Q: 5. For a chemical reaction to be spontaneous only at high temperatures, which of the following…

A:

Q: 20. What are the signs of AH and AS for a reaction that is spontaneous at any temperature? O A) AH…

A: For a reaction to be spontaneous, the Gibbs free energy value (ΔG) for the reaction should be…

Q: For a chemical reaction that is spontaneous in the reverse direction, it is found that ASsys > 0.…

A:

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

A: True.  Spontaneous reactions are uni directional.

Q: Which case would result in a spontaneous reaction only at low temperatures? AH > 0 and AS O AH 0…

A: Enthaply less than zero and entropy less than zero favours spontaneous reaction at low temperatures.

Q: 18. A reaction has AH° = +38.7 kJ/mole, AS° = 112 J/mol K, and AG° = +5.32 kJ/mole. Complete the…

A: Given : ΔHo = 38.7 KJ/mol = 38700                                              ( Since 1 KJ = 1000…

Q: 1. Determine the equilibrium constant for the conversion of oxygen to ozone at 2,000 K. 3 02 (g) = 2…

A: Expression used to find Keq from Delta G R = Universal gas constant  T = Temperature = 2000 K…

Q: 4. A cube of ice is added to some hot water in a rigid, insulated container, which is then sealed.…

A:

Q: 4. Is the acid-base neutralization of HCl and NaOH spontaneous or non-spontaneous at 37°C? (Write…

A:

Q: A spontaneous reaction requires external stimuli. O True O False

A: We have been asked whether spontaneous Reaction reacquire external force

Q: A(g) Analyze when this reaction is spontaneous (i.e. spontaneous at high temperature, always…

A:

Q: The Gibbs energy change for a reaction is-125 kJ. The reaction is therefore: O irreversible O…

A:

Q: A cube of ice is added to some hot water in a rigid, insulated container, which is then sealed.…

A: The best answer has to be chosen.

Q: Which statement is true? O The spontaneity of a reaction is not necessarily related to the speed of…

A: A spontaneous reaction can be defined as the reaction which favours the product formation under the…

Q: Using reaction free energy to predict equilibrium composition elld Consider the following…

A: Given only N2 and NH3 in a vessel and without H2, the only direction that the reaction will go to is…

Q: how do I complete this? i am unsure of how to work this out.

A: The value of the standard change in Gibbs free energy of the reaction is negative and the value…

Q: If the value of AG is less than zero, it indicates that the reaction is. A. Spontaneous  B.…

A:

Q: A chemical engineer is studying the following reaction: 2NO(g)+2H₂(g) → N₂(g) + 2H₂O(g) At the…

A: Answer:If Qp > Kp , then the reaction will shift to the left, i.e. towards reactants.If Qp <…

Q: Which process would be predicted to have AS > 0? Periodic Table and Datasheet O Decomposition of a…

A: Entropy is defined as the degree of randomness. Greater the randomness greater will be the entropy.

Q: Consider a reaction in the gas phase. The equilibrium constant, K, is found to be independent of the…

A: We'll solve this problem by using the vant Hoff equation which gives the relation between…

Q: A reaction with a AH and a AS will never be spontaneous. O positive, negative O positive, positive…

A: A reaction with a ... ∆H and a ... ∆S will never be spontaneous.A spontaneous reaction is the one…

Q: For a single substance at atmospheric pressure, classify the following as describing a spontaneous…

A: A question based on chemical thermodynamics, which is to be accomplished.

Q: False True An exothermic reaction is always spontaneous. of a substance increases when a solid melts…

A: True statement  The entropy of substance increases when it melts from solid to liquid at any…

Q: For a certain reaction changeH֯ =-83.5 kJ and changeSͦ =-148 j/K. If the values of changeH֯ and…

A: Answer: Given data: ∆H°=-83.5kJ∆H°=-83500kJ ∆S°=-148J/K

Q: Ag(+aq) + Cl-(aq) AgCl(s) ∆H = +112 kJ If ions are colorless, and AgCl is white Will the reaction…

A: The given reaction is, Ag+aq+Cl-aq →  AgCls                ΔH°=+112 kJ

Q: 19.27a) What sign for AS do you expect when the volume of 0.200 mol of an ideal gas at 27 °C is…

A: Entropy change : It may be defined as the change in the disorder of a thermodynamic system.The…

Q: An spontaneous process ALWAYS has a negative AG O has a negative AH O has a positive AH has a…

A: A spontaneous process is capable of proceeding in a given direction without needing to be driven by…