Are the processes that move a system toward equilibrium spontaneous or nonspontaneous?

Q: Does the attainment of equilibrium imply that no further changeis taking place in the system?

A: An equilibrium is defined as the state of a reversible chemical reaction at which the rate of the…

Q: Which of the following processes are accompanied by an increase in entropy of the system? (No…

A: Entropy is the measure of randomness or disorder present in the system.  Entropy is maximum in case…

Q: Consider the system 4NH3 (g) + 3O2 (g) --><-- 2N2 (g) + 6H2O (l) delta H=-1530 kJ, which is at…

A: Given :-  4NH3 (g) + 3O2 (g) &lt;---&gt; 2N2 (g) + 6H2O (l) ∆ H=-1530 kJ  To determine :-  Shift in…

Q: A. Which of the following statements is false: i) An exothermic reaction is always spontaneous ii)…

A: A)  The entropy of the universe is always increasing and Temperature can affect the solubility…

Q: HEAT + N204 = 2NO2 if the temperature increased, what would be the effect on the equilibrium? also…

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Q: Which of these processes result in an entropy decrease of the system?

A: Entropy means randomness. All spontaneous processes have positive or zero entropy change. This means…

Q: Consider the equilibrium system: 2ICl(s) ⇌  I2(s) + Cl2(g), the Kc expression for the reaction is?

A: Kc is expressed as the ratio of the product of concentration of products and concentration of…

Q: When does equilibrium exist between the phases of a substance?  explain

A: The physical state in which a substance exists at a given temperature and pressure is the phase of a…

Q: For each of the following processes, tell whether the entropy of the universe increases, decreases,…

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Q: Consider the equilibrium system described by the chemical reaction below. Calculate the value of Qp…

A: Given data: Mass of carbon = 5.15 g Pressure of CCl4 = 3.51 atm Pressure of Cl2 = 2.09 atm

Q: Consider the decomposition of CaCO3(s) into CaO(s) and CO2(g). What is the equilibrium partial…

A: Decomposition of calcium carbonate is as follows, As other two molecules are in solid state.

Q: Which of the following changes in Gibbs free energy represents a spontaneous reaction? O AG(-) O…

A: To solve this problem we have to explain about the type of reaction according to value of ∆G .

Q: For the exothermic reaction   PCl3(g)+Cl2(g)⇌PCl5(g)PCl3(g)+Cl2(g)⇌PCl5(g)   K = 0.200 at a…

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Q: (a) Write the chemical equation that defines the normal boiling point of liquid carbon…

A: (a) The temperature at which pure liquid carbon tetrachloride (CCl4) is in equilibrium with its…

Q: How can we calculate an Equilibrium Constant from ∆G?

A: ∆G is Gibbs free energy change ∆G= - RT logn K under standard conditions ∆G0=-2.303 RT log10 K  or…

Q: Is it possible to calculate the equilibrium constant for a reaction?

A: In chemical reaction, the reactants undergo reaction with each other and get converted into the…

Q: How would I order the following by increasing entropy              CO(g), COCl2(g), CO2(g), CaO(s)

A: Entropy is defined as degree of randomness or disorderliness present in a molecule. If a molecule is…

Q: What is a spontaneous reaction?

A: Spontaneous Reaction: A spontaneous reaction is described in a very simplistic way as the reaction…

Q: There is a natural tendency for the universe to have increased entropy.

A: Given statement is true or false ?

Q: Which of the following reactions indicates an increase in entropy?

A: In case of homogeneous gaseous reaction :- if number of gaseous moles of products are more than the…

Q: Define thermodynamically the entropy of a system

A: The second law of thermodynamics helps us to determine the direction in which energy can be…

Q: Which of the following involve an increase in the entropy of the system?     Condensation of…

A: Entropy is the degree of randomness or disorderliness of atoms of molecules of the system. As…

Q: Define the concept of Equilibrium Constant and Free Energy Changes ?

A: Thermodynamics is a branch of chemistry that deals with the motion of heat. State functions like…

Q: rank the following reactions from smallest to largest equilibrium constant (K) at 298K? reaction 1:…

A: Keq = e^(-∆G° / RT) We know, ∆G&lt;0, then the reaction is spontaneous and Keq is high and, if…

Q: A 26.4 g sample of Al metal (c = 0.91 J/g°C) is heated to 91.0°C and then placed Into a beaker…

A: Given: Mass of metal, mm=26.4 g Heat capacity, Cm= 0.91 J/g°C The temperature of the metal, Tm=91.0…

Q: Is the bolded statement TRUE or FALSE? Free energy: 11. is exchanged between a system and the…

A: Work  Work is said to done when any system transfers energy to its surroundings by exerting force.…

Q: You have learned that in all spontaneous processes, the entropy of the universe always increases.…

A: Entropy is a measure of randomness of a system. According to the second law of thermodynamics,…

Q: Consider this system at equilibrium. A(aq) = B(aq) AH = -650 kJ/mol What can be said about Q and K…

A: When a system faces stress, like change in temperature or concentration or any other parameter it…

Q: second law of thermodynamics

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Q: What is the value of the equilibrium consta

A: The given hypotheical reaction is, A→    B   +     C-32.2  207.8  -237.0

Q: If a system is at equilibrium, what must be the relationship between ΔH and ΔS?

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: 0 Entropy is a measure of the (1) acidity of a sample (2) disorder of a system (3) concentration of…

A: Entropy : It is a thermodynamic quantity. Entropy is a state function. It means that the value of…

Q: For each of the following processes, tell whether the entropy of the universe increases, decreases,…

A: Note!  As you have not specificied which subparts you want to be answered, so I am solving only…

Q: Calculate the reaction quotient, QR for the following reactions and conditions:    2 NOCl(g)      :…

A: Given,  a). 2NO (g) + Cl2 (g) &lt;------&gt; 2NOCl (g)  PNO = 0.0032 atm; PCl2 = 0.023 atm; PNOCl =…

Q: Consider the following reaction at 37°C. 2 NOCI(g) = 2 NO(g) + Cl₂(g) AG= 38.5 kJ If 2.17 atm of…

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Q: Which statement DOES NOT describe the entropy of a system in its molecular state?  Entropy changes…

A: The degree of randomness in a system is measured in terms of entropy. The higher the entropy greater…

Q: For each ΔG° given, determine the value of K to decimal places and predict if reactants, products,…

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Q: Indicate whether each statement below is true or false. If a statement is false, rewrite it to…

A: Reaction at equilibrium: Reactants ⇌ Products Equilibrium constant for forward reaction K =…

Q: Consider the following equilibrium reaction: 2NO2(g) = 2NO(g) + O2(g) In a container held at 375. K,…

A: Answer:-  We can determine equilibrium pressure of each product and reactant by using ICE table..

Q: Starting from Gibbs free energy get the mathematical equation for the equilibrium temperature.

A: Gibbs free energy gives an idea about whether the reaction is spontaneous or not. There are three…

Q: Explain Equilibrium criterion for a chemical reaction that takes place adiabatically?

A: Chemical equilibrium, a condition in the course of a reversible chemical reaction in which no net…

Q: Consider the following reaction at equilibrium, C(s) + H2O (g) = CO(g)+ H, (g) ΔΗ 131 %3| 30 kJ…

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Q: Does entropy increase or decrease in the following process? N2 + 3H2 → 2 NH3

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Q: Most systems in nature exist in equilibrium. O True O False

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Q: Spontaneous chemical reactions proceed until they hit equilibrium.  Once the reaction hits…

A: Spontaneous chemical reactions are reactions which takes place without the addition of external…

Q: d. The temperature at which the reaction starts to be spontaneous

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