The rate of a chemical reaction (increases, decreases) asthe temperature rises.

Q: tential Reactants ergy Products Time hat statement is best represented by the letter Y in this…

A: We know that this is the activation energy curve and here X resembles the activation energy needed…

Q: How reaction rate depends on concentration, physical state, and temperature

A: For a chemical reaction to occur, there must be collision in between the reactant molecules. Rate of…

Q: Which of conditions characterizes a system in a state of chemical equilibrium? A. The concentrations…

A: At equilibrium: The concentration of the product and the concentration of reactant may vary and…

Q: Which of the following is not a factor that could increase the rate of chemical reaction? O Increase…

A: ->Arrhenius equation is applicable to determine effect of temperature on rate of reaction.

Q: In order for a reaction between two molecules to occur, the molecules must [Check all that are…

A: Collision theory determines the conditions required for the reaction to occur.

Q: Select the statement that is most likely to be true in regards to reaction rates. As temperature…

A: Activation energy is the minimum amount of energy needed for a reaction to take place. And every…

Q: Once a reaction is proceeding both forward and backward at the same rate, which state has been…

A: The answer is given as follows

Q: What is a catalyst?

A: The definition of catalyst has to be given,

Q: In the following energy profile, pathway A represents the (.. .) reaction and the reaction is (..

A:

Q: a.)Label the following energy diagram with activated complex, activation energy, product energy,…

A: Given diagram:

Q: Assuming that the rate of a chemical reaction doubles for every 10 degree Celcius temperature…

A: We have to assume that the rate of a chemical reaction doubles for every 10°C. And we have to find…

Q: Differentiatethe types of catalysts

A: Catalyst can be defined as the substance that increases speed of reaction without getting consumed…

Q: E Reactants Ea AH Reactants TAH Products Products Reaction Progress- Reaction Progress - What place…

A: Activation energy is the minimum amount of energy required by the reactant molecules during their…

Q: All chemical reactions have a set amount of activation energy in order for the reaction to move to…

A: Endothermic :(energy absorbed) products energy > reactants energy Exothermic:(energy released)…

Q: Activity 3: Activation energy and how a catalyst affects the reaction rate Here are the…

A: Explained as follows

Q: What are following of  the five factors mentioned in the text that can affect the rate at which a…

A: The rate at which reaction proceeds depends on the following factors 1. Nature of Reactants 2.…

Q: Why does the rate of the forward reaction slow down as the reaction proceeds?

A: The equilibrium is the point in a chemical reaction at which the rate of the forward reaction…

Q: A catalyst lowers the activation energy. O True O False

A:

Q: The forward rate is changed so that it is increased more than the same reaction rate in reverse.…

A: The forward rate is changed so that it is increased more than the same reaction rate in reverse.…

Q: Draw a reaction coordinate diagram for a fast, stepwise, exothermic reaction. Label reactants,…

A: This is the concept of heat of enthalpy is negative

Q: The rate of a reaction depends on: O Whether or not a catalyst is used O The nature of the reactants…

A: The rate of reaction is the speed at which a chemical reaction takes place.

Q: is chemical reactions and reaction rate the same?

A: Chemical reaction can be described as a process where one or more substances (termed as reactants)…

Q: How a reaction's rate changes with concentration ?

A:

Q: 2. In order for two molecules to react and form new substances, what are the two requirements for an…

A: Given: Two molecules react and form new substances  To find: Requirements for effective collisions…

Q: Which of the following can increase the rate of reaction for a chemical reaction? a. adding a…

A: For a chemical reaction, the rate of reaction is defined as the speed with which there is a…

Q: A catalyst changes the rate of a chemical reaction by.. Select one: O a. changing the enthalpy of…

A: A catalyst is a compound that will not involve in the reaction and will not change any chemical…

Q: A catalyst increases the activation energy required for a reaction to proceed. O True O False

A: The given statement is  A catalyst increase the activation energy required for a reaction to proceed

Q: Understanding and make them clear to differentiate between chemical kinetics and chemical…

A: Kinetics is the study of rate i.e change of something with respect to time. Hence chemical kinetics…

Q: A chemist found that a reaction did not take place under any set of conditions. If the chemist added…

A: Given that, a reaction did not take place under any set of conditions. We have to tell if a catalyst…

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

A:

Q: The catalyst influences the rate of reaction in which ways? O nothing happens O Decreases it O…

A: Correct answer is A

Q: Reaction rate is expressed in terms of changes in concentration of reactants and products. Which the…

A: We know that, The rate of reaction is the decrease in concentration of reactant with change in time…

Q: According to the collision theory for chemical reactions, why do most reaction rates increase with…

A: Collision theory of reaction rate: According to the collision theory of reaction rate, the randomly…

Q: In an endothermic reaction, the total energy at the beginning of the reaction is O greater than the…

A: In an endothermic reaction, the total energy at the beginning of the reaction is ---

Q: Enzymes are biological catalysts that enhance the rate of a reaction by: Select one: O a. decreasing…

A: Enzyme are biological catalyst that  enhance the rate of reaction by ?

Q: of

A: This question is related to rate of reaction.

Q: reaction would have a negat al reaction can be made faste е.

A: Exothermic reaction is reaction in which heat is released. So, firecrackers releases the heat. So,…

Q: Explain why chemical reactions proceed faster (a) as the temperature is increased(b) as the…

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Q: What does a catalyst do?

A:

Q: is an elementary reaction with three reactant molecules.

A: Those reaction which involve only one step in formation of product are called elementary reaction.…

Q: The change in temperature from 10 °C to 20 °C is found to double the rate of a particular chemical…

A: By increasing temperature from 10 to 20°C  rate of reaction increase by two times it means the…

Q: differentiate the four types of catalysts

A:

Q: НОСН: -С-Н НОСН-

A:

Q: Does a catalyst increase reaction rate by the same meansas a rise in temperature does? Explain.

A: The rate of rarction increases on increasing the temperature.  For most of the homogeneous…

Q: Which from the graphical representation that shows increasing rate of reaction? D A B

A:

Q: what are catalysts? give any two examples

A: A catalyst is defined as chemical substance that speeds up a chemical reaction and does not involve…

Q: Explain what happens in a chemical reaction? what does activation energy (EA) mean?

A: A chemical reaction is used to represent a chemical change.

Q: Raising the temperature of a reaction causes which of the following? O The rate of reaction will…

A: