Why does the rate of most reactions decrease over time? A. A decrease in reactant

Q: 5. Chemical reaction is a process in which one or more substances (reactants) are converted to one…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 54. How and why do chemical reaction rates depend on temperature?

A: The rate of the reaction depends on the temperature.  For more than one question, we are asked to…

Q: 2. Which change will cause a chemical reaction to speed up? removing a catalyst decreasing the…

A: The chemical reaction can be fasten up or slow down depends on some basis factors like catalyst,…

Q: 20. Mark and Elizabeth are combining two substances, X and Y, in chemistry class. Substance X is a…

A: The question is based on the concept of chemical kinetics. we have to identify the most likely…

Q: a. Site a scenario that you can observe in your home which exhibits a collision theory. Explain your…

A: Please find the answers of above all questions below.

Q: This graph shows changes in concentration during a chemical reaction. Use the definition of reaction…

A: The reaction rate or rate of reaction is the speed at which a chemical reaction takes place, defined…

Q: What is a catalyst ? Give an example?

A: The term "catalyst" has to be defined with an example.

Q: Hess's law states that a chemical reaction is independent of the route by which chemical reactions…

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Q: In a chemical reaction, how do the reactants and products relate to the initial and final states?

A: In a chemical reaction, bonds are broken within reactant molecules, and new bonds are formed within…

Q: What do you mean by the term chemical reaction rate?

A: The rate of a reaction generally depends on the concentration of reactants. In other words the rate…

Q: If we increase the concentration of a reactant, what happens to the collisions between particles?…

A: Solution 2 If we increase the concentration of a reactant increases the frequencies of all…

Q: why do you think changing the concentration of a solution affects the rate of a chemical reaction?…

A: For a chemical reaction to occur, there must be collision between the molecules.

Q: 4. Explain, on a particulate level, why increasing the concentration of reactants would cause in…

A: The rate of the reactions can be explained on the basis of collision theory- Collision theory is…

Q: The graph below shows the typical energy distribution for particles of an ideal gas in a sealed…

A: The minimum amount of energy required by the reactant molecules to convert into the products is…

Q: In a reaction that occurs in solution, the volume will not change. What happens to the concentration…

A: If the volume of that phase is increased the concentrations of products will be decreased more than…

Q: t has been stated that cars cause the most pollution on short journeys. Evaluate this statement in…

A: The given reaction is : H2O + (NH2)2CO ⇌ 2NH3 + CO2        ∆H=+113 kJ/mol

Q: Decreasing the concentrations of the reacting particles decreases the chance of collision.

A: The factors affecting the rate of the reaction are:

Q: All changes saved 10 The rate of a reaction depends on many factors such as the concentration of the…

A: Rate of reaction depends on concentration of reactant.  Increase in concentration of reactants,…

Q: Consider a hypothetical chemical reaction: A+B → C+D (In this equation A, B, C and D stand for some…

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Q: Consider the following energy diagram for the conversion of A → G. a.Which points on the graph…

A: Given diagram,

Q: . a) changing the nature of the reactants Changing the nature of the reactants might increase or…

A: 1) changing the state of reactant as solid have less kinetic energy while gas have high kinetic…

Q: What would observe during this chemical reaction that would indicate a reaction is taking place?…

A:

Q: 1. How do catalysts speed up a chemical reaction? a. the reaction becomes endothermic b. the…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: For some medical procedures, doctors cool the patient's body before beginning. Following the…

A: ✓Normal functioning of human body is based on homeostasis. ✓Homeostatis is the process by which the…

Q: 1. A reaction is considered an equilibrium when: a) There is the same amount of reactants and…

A: Consider a reaction,  aA+bB↔cC+dD   (assume ↔notate equilibrium).

Q: 18.45 mol ZnCI2 = _______g ZnCI2

A: Data: The number of moles of ZnCl2= 18.45 mol The molar mass of ZnCl2 = 136.286 g/mol To find: Mass…

Q: Which of the following defines activation energy?   A.The minimum amount of energy required to…

A: In the given question we have to define the activation energy, it is defined as the minimum amount…

Q: ii) Explain the effect of Catalyst on the rate of a chemical reaction.

A: Effect of catalyst on rate of chemical reaction:

Q: Suppose a pair of chemical compounds A andB can react in two different ways: A+BC Reaction 1 gives…

A:

Q: Do chemical reactions usually occur in a single step?

A: When two or more reactants are allowed to react under suitable conditions to produce desired…

Q: examine the image, which shows four chemical systems of colliding molecules. Which chemical system…

A: The given four systems contains the various number of molecules which collides accordingly. The…

Q: Crushing or grinding a solid reactant increases the reaction rate by O adding energy to the…

A: Since you have posted multiple questions, we will solve the first question for you. To get the…

Q: What is the reactant side? Left or right?

A: reactants  <=> products Given reversible reaction is C6H12O6(aq) + 6 O2(g) <=>6 CO2(g) +…

Q: 9. Which one of the following sets of reactants is most likely to have the slowest rate of reaction?…

A: Answer: These are based on the basic understanding of rate of reaction where we observe how the…

Q: What is a heterogeneous reaction? A reaction where the reactants and products are in two or more…

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Q: Solutions make it easier to   A.handle chemicals safely   B.react chemicals with one another…

A: Solution is made up of two components. Solute and solvent. The component which is present in major…

Q: collision theory of reaction rates states that the rate of a reaction depends on the number of…

A: We should not be surprised that atoms, molecules, or ions must collide before they can react with…

Q: Whats the purpose of Rates of Chemical Reactions: A Clock Reaction Experiment?

A: Rate of chemical reaction,famous for its dramatic colour changes  Rate of chemical reaction is most…

Q: Products will form faster if the particle size of the reactants are larger. temperature is…

A:

Q: Consider the following reaction of a weak base with water :   ClO− + H2O HClO + OH− ​ If a…

A: The given reaction is: ClO- + H2O ⇌ HClO +OH-  It is an acid-base reaction where ClO- acts as a weak…

Q: Milk left outside at room temperature spoils faster than milk kept cold in the refrigerator.…

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Q: The reaction rate of a chemical reaction will increase as a result of changes made to the system, as…

A: The rate of a chemical reaction may be defined as the change in the concentration of any of the…

Q: 10. The rate of a reaction depends on A. collision frequency B. collision orientation C. collision…

A: Since you are posted with multiple questions. As per the rule, I am answering the first question…

Q: 0.003 - ? 0.00218 0.002- 0.001- 10 15 20 25 30 seconds O created Is H,0, being created or destroyed…

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Q: Fill out the following table. Time (min) [A] consumed, [A],- [A], [B] consumed, [B], – [B], 15 40…

A: Here, we have to determine the progression of the reaction with time and how much concentration is…

Q: A sugar cube does not easily burn when held over a lighted match so you open an ash tray and roll…

A: We need to find why the sugar cube iginite when it was coated with ash.

Q: what name is given to the minimum amount of energy needed by particles for them to react when they…

A: Quantitative computations of elementary bi-molecular gaseous processes are done using collision…

Q: Using the collision model for a chemical change, desciebe from a molecular viewpoint how diluting…

A: Collision model explains that a chemical reaction takes place when ions, atoms, or molecules of…

Q: Crushing a solid into a powder will increase the reaction rate because ________.  A. the particles…

A: The rate of reaction is the speed at which the chemical reaction would take place.