What would cause entropy to decrease in a reaction? A. The products gaining more mobility than the reactants B. The products becoming more randomly arranged C. The products becoming more ordered than the reactants D. The products spreading out more than the reactants

Q: Gibb's Free Energy is   a. the spontaneous energy of a reaction   b. the chemical energy that can…

A: In a chemical or physical change, the Gibbs free energy is a useful quantity that used in the…

Q: Any reaction that absorbs 100 kcal of energy can be classified as . ]None of the others Dendothermic…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: Select the factor that results in a negative sign for the change in entropy.  a. A solid is…

A: Entropy is the measure of the degree of randomness or disorder in a system. Entropy of a molecule in…

Q: How and why does this reaction work as written. Use the appropriate terms and make sure to explain…

A: All given structures are resonating structures.

Q: Discuss how catalysts can make processes more energyefficient.

A: A catalyst is substance that can be added to a chemical reaction without getting consumed in a…

Q: MULTIPLE CHOICE NUMBERS 11 TO 14 ONLY

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Q: An energy barrier that must be overcome before a chemical reaction can proceed is known as 1.…

A: Activation energy: When the reactant molecules convert into products, they required the minimum…

Q: 2 A2B (Green) + 3 C2 = 2 A2Ć (yellow) + 2 BC2 AH = -288 kJ A.The reaction will shift to the left in…

A: We have given that  2A2B(green)  + 3C2 <----> 2A2C (yellow )  + 2 BC2  and given that…

Q: A chemical reaction is always spontaneous if it is accompanied by Oa. endothermic and increasing…

A: When reaction is endothermic then it's required energy from the external sources then it's converted…

Q: 5. The change in enthalpy for a certain reaction is a small, positive number. The change in entropy…

A: Exergonic and endergonic reactions: If the free energy change (∆G) for a reaction is negative then…

Q: As you go down a rough slide with a increasing speed, the energy transformation is _______.      K…

A: As you go down a rough slide with a increasing speed, the energy transformation is given below.

Q: CHOICES: A. If both statements are true B. If the 1st statement is false and the 2nd is true C.…

A: 1) Temperature, pressure and the state of the reactant and products all influence the amount of any…

Q: Which of the following is not a state function? a. density b. heat c. free energy d.  entropy…

A: State functions only depend initial and final state  and not depends on path Examples of state…

Q: 4. Ten molecules of XY react according to the following equation: XY ↔ X + YKc = 1.1 x 10-1 at 125 C…

A: (a)    XY <=> X y I 10   0 0 C -x   +x +x E 10-x   x x Kc = [X][Y]/[XY] 1.1 *10-1…

Q: In an exothermic reaction, will raising the temperature tend to favor the products or the reactants?…

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Q: 7. Suppose you have an endothermic reaction with Keg = 1x 103. How could you adjust the temperature…

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Q: Q7. Some spontaneous reactions take 20 million years for half of the reactants to be converted into…

A: A reaction is spontaneous on not depends upon ∆G, Gjibbs free energy change for the reaction. If…

Q: he second law of thermodynamics favors     A. processes that have zero entropy of the universe…

A: The given problem is based on the laws of thermodynamics.

Q: Consider the following two reactions. reaction 1: A+B⇒C+D_AG = -24.3 kJ/mol reaction 2: W+X→→Y+Z AG…

A: ∆G value tells us whether the reaction is feasible or not but it does not tells us about the…

Q: The rusting of iron is an exothermic reaction, 4 Fe (s) + 3 O₂ (g) → 2 Fe₂O₃ (s). When the system is…

A: When factors like concentration, pressure, temperature, inert gases that affect equilibrium are…

Q: 21. Consider the following reaction.  CH4 + 2O2 -> 2H2O + CO2      ΔH = -890 kJ/mol If 45 g of…

A: Consider the following reaction.  CH4 + 2O2 -> 2H2O + CO2      ΔH = -890 kJ/molHere combustion of…

Q: Consider the following equilibrium reaction: CH3CHO (g)   ⇋⇋   CH4 (g)   +   CO (g) What is the Kc…

A: At equilibrium the ratio of products to reactants (each raised to the power corresponding to its…

Q: If a student decreased the temperature for this reaction: C₂H4(g) + H₂(g) - heat C₂H6(g) what would…

A: This principle is used to predict the effect of a change in conditions on a chemical equilibrium.…

Q: During which of the following processes does the entropy of the system decrease?   A. Calcium…

A: Entropy of any substance is basically the measure of disorder of the substance  And the disorder of…

Q: Reaction that will more or less, require energy to carry out  a. Metathesis b. Single Displacement…

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Q: MCQ 49: The particular condition of equilibrium is A. dynamic only B. closed system only C.…

A: When a stage arrive, such that the rate of forward reaction and rate of backward reaction are equal…

Q: A reaction is endothermic, but proceeds very slowy. A catalyst is added to increase the reaction…

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Q: What is the entropy of a reaction? What does it mean when the entropy increases? What kinds of…

A: the tendency of a spontaneous reaction to give off energy can't be the only driving force behind a…

Q: Some reactions require energy from the surrounding to react. The temperature of the the surroundings…

A: The reactions which require energy from the surrounding are the endothermic reactions.

Q: Draw (and label) an energy diagram that fits each description:   a.  An endothermic reaction with…

A: The potential energy curve helps in deciding whether the reaction is endothermic or exothermic based…

Q: When global temperatures rise, ocean evaporation increases water vapor in the air, water vapor in…

A: Feedback loop: A feedback loop defines the increase or decrease in the warming in climate change.…

Q: Given each equilibrium constant, state whether the reactants are favored, the products are favored,…

A: 1- The Equilibrium constant ( K ) value is less than to one means K < 1 then equilibrium shift…

Q: Catalysts are sometimes used in chemical reactions.         a.  Explain what a catalyst does in a…

A: Catalyst is a chemical substance which increases the rate of a reaction without itself being changed…

Q: second law of thermodynamics

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Q: In a chemical reaction, the change in freeenergy is determined by: A. subtracting the energy of the…

A: free energy (G) is a thermodynamic potential that measures the "usefulness" or "unavailability" of a…

Q: Which of the following processes are reversible processes?  A. Burning wood till it becomes ashes…

A: The given processes are  A  Burning wood till it becomes ashes  B. cooking pap on a gas stove  C.…

Q: Increasing the temperature of an exothermic reaction results in __________ I. More products and…

A: According to Le chatelier's principle :  1) On increasing the temperature of exothermic reaction,…

Q: For the following reaction, is the exothermic or endothermic, and does this reaction absorb or…

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Q: 4. The reaction: 4 Al (s) + 3 02 (g) → 2 Al203 (s) ; AH° = -3351 kJ Is and therefore heat is by the…

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Q: Define explain or describe each of the following terms: a. exthermic reaction b. endothermic…

A: By definition of exothermic reaction, endothermic reversible and dynamic equilibrium.

Q: From the reaction energy diagram shown here, match the features on the diagram with their…

A: The starting reagent in the reaction is reactant.  The end compound formed in the reaction is…