2. The energy needed for a reaction to proceed from reactants to products is called _______ energy A. Activation B. Collision C.Kinetic D. Potential

Q: The diagram shows the energy change over the course of a reaction. 150 100 Is the reaction…

A: Exothermic or endothermic is determined by the Energy of product and energy of reactant .

Q: What is collision theory? a theory stating that reactants must collide with products in order for a…

A: What is collision theory? We have to choose the correct options from the following given statements…

Q: A catalyst: a. Actually participates in the reaction

A: Catalysis is that which participates in the chemical reaction but after the reaction, we get it in…

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: FOR THE REACTION: 2HBR (G) H2 (G) + BR2 (G) RXN IS ENDOTHERMIC SHOW WITH AN ARROW HOW TO REDUCE THE…

A: The given reaction is, 2HBrg→H2g+Br2g

Q: Decomposition AB

A: Decomposition  means   Broken down of substances  into a simpler and more than one product .

Q: What will happen if a catalyst is added to a reaction mixture? A. increases the rate of collisions…

A: Chemical kinetics is branch of chemistry which deal with speed at which rate of reaction occurs.…

Q: (a) What factors determine whether a collision between two molecules will lead to a chemical…

A: According to the collision theory,reactants lead to the formation of product by colliding with…

Q: 2 ICI + H2 12+ 2 HCI Initial Rate of Formation of 2 Mol/L. s Initial concentrations (M) [ICI] [H,]…

A:

Q: H2SO4(aq) + NaOH(aq) → H20(g) + Na,S04(aq) Identify TWO different ways and use collision theory to…

A: Given reactin: H2SO4(aq) + NaOH(aq) ---> H2O(g) + Na2SO4(aq)

Q: Study the reaction. N2(9) + 3H2(g) → 2NH3(g) What change would increase the rate of this reaction? O…

A:

Q: Heat Inpu A+B Reaction Progression Energy

A: When the heat is released by the reaction , the this reaction is called as exothermic reaction .…

Q: the concentration of NOBr after 20 s.

A: According to the question, the reaction is given below –  2NOBr(g) → 2NO(g) + Br2(g) We have, The…

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: to en 100. mL of 1.0 M HCI is added to a 2.0 g piece of CaCO3, CO2 is produced at a certain rate.…

A: In a 2 g piece of CaCO3 , 100 mL of 1M HCl is added, which produces CO2. We need to find out the…

Q: The stock solution at equilibrium used in test tube #4 contains Fe 3+ (aq), SCN- (aq) and [FeSCN]2+…

A: The reaction between iron (III) ions and thiocyanate ions produces iron (III) thiocyanate which has…

Q: What is the effect of catalyst on reaction time? O decrease increase O no effect O cannot be…

A: Catalyst decreases the activation energy of the transition state and provides an alternative route…

Q: 7. Which sample has a higher concentration? 8. Which sample will have a higher number of collision?…

A: When the number of particles increases the collision between the particles also increases.

Q: As the concentration of reactants decrease, the rate of the reaction generally O remains constant. O…

A: As the concentration of the reactants decrease, the rate of 5ge reaction generally Remains…

Q: Press the hotspot that indicates the enthalpy of an exothermic reaction. Activated complex…

A: Exothermic reaction can be defined as the reaction in which there is release of energy in a chemical…

Q: Explain why just having a collision between two molecules of reactants may not form the desired…

A:

Q: Draw a dashed line to show the effect of adding a catalyst to the system

A: The answer is given below

Q: What does adding a catalyst to a reaction do? Select all that apply. Oalter the orientation of…

A: Catalyst are chemical substances that increase the reaction rate, but doesn't change during the…

Q: according to collision theory, the rate of a reaction increases as the reactant concentration…

A: Rate of reaction :-  The decrease in concentration of reactants with time or increase in…

Q: For the gas phase reaction N2 +3 H2 2 NH3 AH° = -92 k) for the forward reaction. In order to…

A: according to le-chateliers principle at equilibrium if any change in concentration ,pressure…

Q: Increasing the temperature will speed up the reaction because the number of collisions with energy…

A: For a chemical reaction, the rate of reaction increases as we increase the temperature of the…

Q: Explain why high molecularity reactions are rare but not conflicting with the fact that increasing…

A: Molecularity is the number of reactant molecules that collides with each other simultaneously in a…

Q: 7. Help Arianna label the 4 parts of this energy graph. 4 2 8. Is this an endothermic or 3…

A: The reaction profile belongs to an endothermic reaction as the reactants have lower potential energy…

Q: The diagram shows the energy change over the course of a reaction. 150 100 Is the reaction…

A: The energy difference of the products and reactants is known as the energy change of a reaction.  If…

Q: An increase in temperature increases the rate of reaction. O True O False

A:

Q: I. Reacting Mg with Aqueous HCl Time & Day ofcure 1. Appearance of Mg reac you will complete in th…

A: Reaction 1 : Reactants given are Mg and HCl. Since Mg is a solid metal and HCl is a solution  Hence…

Q: 2) The graph shows the energy reaction curves with and without a catalyst for a certain reaction.…

A:

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: What happens when there is an increase in temperature for a reaction rate? Select all that apply. It…

A: 1) is correct that increase in the temperature increase the total number of molecular collisions…

Q: ow is occurring? ecomposition reaction occurs. slow step fast step all reaction he two steps of the…

A: In Actual, this overall reaction is decomposition Reaction inwhich HCOOH dissociated into gases…

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

A:

Q: The water gas shift reaction is represented by the equation and enthalpy change shown below: co +…

A: i) Equilibrium limited means a stable condition in which forces cancel one another i.e. if one of…

Q: A catalyst: always decreases the rate for a reaction. O b. always increases the activation energy…

A: Catalyst is defined as a substance which increases the rate of reaction by decreasing the activation…

Q: (In this equation A, B, C and D stand for some unknown chemical formulas.) Here is an energy diagram…

A: Activation Energy = Energy required to cross the barrier in a reaction coordinate diagram. Heat of…

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: If a chemical reaction is going to move forward, what part of the reaction must collide? A.…

A:

Q: double arrow) CO(g) + H2, what will happen when

A: Chemical equilibrium is  C(s) + H2O + Heat <--->CO(g) + H2(g) As we know, effect on…

Q: A. Instructor Demonstration- Combination reaction Reaction Observation s Mg + O2

A: Combination Reaction : -A combination reaction is a reaction in which two or more elements,…

Q: 2) Below is a graph of reaction rate versus time. a. Identify where on the graph where the reaction…

A: Answer: For the any system at equilibrium, all the parameters those define the system like color,…

Q: A good catalyst for a chemical reaction will ______________     Speed up the forward reaction and…

A: Catalysts speed up a chemical reaction by lowering the amount of energy you need to get one going.…

Q: Indicate whether the equilibrium will shift RIGHT (products), LEFT (reactants), or NOT AT ALL for…

A: Given :        Zn(s) + 2HCl ⇌ZnCl2(s) +H2 (g) + Heat To find : Effect of change of concentration,…

Q: Which change would increase the production of water vapor (H2O) in this reaction:  2H2S + 3O2…

A: We are having a reaction where all species are in gas phase, we have to predict which option will…

Q: In terms of collision theory, When is a chemical reaction occurs?   A. chemical bonds are broken by…

A:

Q: 300 - energy 200 (kJ/mol) A + B 100 C + D reaction coordinate Use the energy diagram to answer these…

A: The energy diagram is, Here, ∆H indicates the enthalpy change. Ea1 and Ea2 indicates the activation…