Carbon monoxide and nitrogen monoxide react to produce carbon dioxide and nitrogen gas. If the system contains platinum, then less energy is required for the reaction to occur. Which term best describes the role of platinum in the system? catalyst product energy reactant

Q: Given the reaction: PCl5(g) ⇌ PCl3(g) + Cl2(g) (ΔHº = +87.8 kJ/mol). Which of the following changes…

A: Le Chatelier's principle: According to the Le Chatelier's principle when a change in concentration…

Q: 14. Explain how you can find the products for a reaction only given the reactants. decomposition

A: A decomposition reaction occurs when one reactant breaks down into two or more products.

Q: Sketch the energy diagram representingthe reaction MgCl2(s)¡Mg(s) +Cl2(g) knowing that the internal…

A: The given reaction is MgCl2 (s) → Mg (s) + Cl2 (g) The internal energy for products Mg (s) and Cl2…

Q: Increasing the amount of an excess reactant will result in greater amount of product? True or false

A: Correct Ans - False

Q: Consider the reaction, which is exothermic as written, PCl5(g)  PCl3(g) + Cl2(g).  Which of the…

A: Given: PCl5(g) ----> PCl3(g) + Cl2(g) Le Chatelier's principle: When a change is applied to a…

Q: For the following reaction, NO(g) + Br2(g)NOBr2(g) what effect would adding argon gas have on the…

A: The reaction given is, => NO (g) + Br2 (g) ↔ NOBr2 (g) Given: Argon gas is added. NOTE: Since…

Q: Fe3+(aq) + SCN–(aq) FeSCN2+(aq) Is the reaction exothermic or endothermic as written? Explain.

A: If energy released in a reaction then reaction classified as exothermic reaction. And if energy…

Q: If the given statement is true, write T. Otherwise, write F and explain why it is false. 1)…

A: Based on the types of reaction we xan identify whether it will produce electricity or not. And…

Q: For the endothermic reaction CaCO3 (s) CaO (s) + CO2 (g) Le Châtelier's principle predicts that will…

A: According to Le Chatelier's principle, when we disturb the equilibrium of any system (like in…

Q: Use Le Chatelier’s Principle to predict what happens when heat is added to the equilibrium system…

A: We have to predict what happens when heat is added to the equilibrium system

Q: Provide an explanation for the fact that most decomposition reactions are endothermic but most…

A: To find: The explanation for the fact that most decomposition reactions are endothermic but most…

Q: Which of the following determines the equilibrium position of a chemical reaction? Initial…

A: According to Le chatelier's principle. factors affecting on chemical reactions are. 1. initial or…

Q: 1.) Raising the temperature of a system favors the reaction that     A. Absorbs energy B. is…

A: Le Cahtelier's Principle - This principle states that if a system is in equilibrium, and is…

Q: For the endothermic formation of sulfuric acid H2O(g) + SO3(g) ↔ H2SO4(g) (decreasing/increasing)…

A: Le Chatelier's principle or "The Equilibrium Law", is a principle of chemistry used to predict the…

Q: For questions 1-5, consider the reaction system: C6H1206 (s) + 602 (3) + 6CO2 (3) + 6H20 (g) Predict…

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on…

Q: Production of hydrogen iodide involves an exothermic process according to this chemical reaction. H2…

A:

Q: At a lower temperature the kinetic energy of the reactants of a chemical reaction is higher. True…

A: Given statement: At a lower temperature the kinetic energy of the reactants of a chemical reaction…

Q: Which statement best describes the energy change for the reaction associated with this energy…

A: The reaction in which heat is transferred from the system to the surrounding is exothermic while in…

Q: Consider the equilibrium describing the endothermic dissolution of a solid in water Zn(OH), (s) Zn"…

A: Given equilibrium for dissolution of a solid in water is Zn(OH)2(s) <---> Zn2+(aq) + 2OH-(aq)…

Q: In the context of exothermic reactions in equilibrium, when the temperature is lowered, heat flows…

A:

Q: As a general rule, stoichiometric reactants are preferable to catalysts, because catalysts often…

A: The given statement is false because there is no requirement for a catalyst to operate at high…

Q: For the following "possible" reaction, which are the states of the products in order from left to…

A: The given chemical reaction  is a double displacement type reaction.

Q: Reactions involving catalysts can be: O only exothermic O only ectothermic O either exothermic or…

A:

Q: An exothermic reaction releases energy in the form of heat. O True O False

A: A chemical reaction is characterized by some old bond breaking and new bond formation. A basic…

Q: What happens to an endothermic reaction when an equilibrium system is heated?  The system shifts…

A: In an endothermic reaction, when an equilibrium system is heated the system shifts forward.  In…

Q: Why do you think two Styrofoam®cups are often used instead of justone.

A: Heat loss-As we note, metal conducts heat much more effectively than styrofoam. This means that the…

Q: b) Using the criterion of number of product particles, predict which one of the following reactions…

A: Entropy is defined as randomnesses. And standard molar entropy is defined as the entropy content of…

Q: The equilibrium system between nitrogen gas, oxygen gas, and nitrogen dioxide gas is given.…

A: Given that,The equilibrium reaction is

Q: What is the effect of temperature change on equilibrium a) an exothermic chemical reaction? b) an…

A: Le Chatelier’s principle states that changes to an equilibrium system will result in a predictable…

Q: Which statement about the reaction is correct? The total chemical potential energy of the reactants…

A: The correct option is:

Q: a STIstruciure.com/cour ses/26/1/quZ zes/70679/take The following reaction takes place in a…

A: Given: N2(g) + 3H2(g) <----> 2NH3 (g)  ∆H = -92kJ/mol According to Le- Chatelier's Principle,…

Q: Which of the following is an endergonic process? a. exothermic reactions b. endothermic reactions…

A: The endergonic process is endothermic reaction where energy is absorbed

Q: A student made a sketch of a potential energy diagram to represent a reaction with a -AH value.…

A: Here , this the potential energy diagram . X represent the potential energy of the reactants. Y…

Q: Write and balance the following reactions with the information given. Hydrogen sulfide gas is passed…

A: The reaction between hydrogen sulphide and lead hydroxide to give lead sulphide and gaseous water.…

Q: Classify the following reactions as endothermic or exothermic: Ca(s) + Cl2(g) à CaCl2(s) ∆H°25°C =…

A: Endothermic and Exothermic reaction: Endothermic reaction : In endothermic reaction the heat energy…

Q: For the reaction 2 NO2 (g)  N2O4 (g),  K= 0.67. If [NO2] = 2.0 M, and the [N2O4] = 1.0 M  , which of…

A: 1. The given reaction is- 2NO2(g)→N2O4(g) [NO2] = 2.0 M [N2O4] = 1.0 M K = 0.67

Q: What happens in an exothermic reaction? * O Energy is released O Energy is absorbed O Energy is…

A: The chemical reaction is the reaction in which reactants are combined to form products. The balanced…

Q: What would happen to the following endothermic reaction that is in equilibrium if heat is added?…

A: Interpretation: If heat is added to the following endothermic reaction that is in equilibrium, whats…

Q: Consider the following reaction: CO2(g)+ 3H2(g) 2 CH4(g) + H20(g) AH=+46.7 kJ If heat is added to…

A:

Q: Identify each of the following reactions as endothermic or exothermic Exothermic Or Sign Reaction…

A: It is given that whether the reaction is endothermic or exothermic .

Q: b Questions 1. Write a balanced chemical equation for each reaction #1–8. Classify each reaction…

A:

Q: ifies the change in internal energy when a molecule is added to a system at constant volume and…

A: Gibb's free energy for closed system can be capable for P-V system work and it uses Helmholtz…

Q: Consider the following exothermic reaction: C (s)   +   2 Cl2 (g)   ⇋⇋   CCl4 (g) How would the…

A:

Q: An increase in temperature drives an endothermic reaction toward the reactants.   True  False

A: Temperature effect the equilibrium directions

Q: When writing an equation, how is a reversible reaction distinguished from a nonreversible reaction?

A: Reversible reaction:- It may be defined as the reaction in which products can be altered into…

Q: swelling

A: This question is related to everyday chemistry.

Q: Which of the following reactions represents an endothermic reaction? O2 SO3 (g) + 198 kJ → 2 SO2 (3)…

A: In endothermic reaction energy is absorbed , energy will appear in reactant side.

Q: Which statement is correct about the rate of a chemical reaction?  It increases when the…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: Consider the following exothermic reaction: C (s)   +   2 Cl2 (g)   ⇋⇋   CCl4 (g) How would the…

A: The effect of changing concentration of reactants and products, increasing or decreasing pressure…