hydrogen reacts explosively with oxygen. However, a mixture of H2 and O2 can exist indefinitely at room temperature. Explain why H2 and O2 do not react under these conditions.

Q: Write the balanced overall reaction for the three-step mechanism. C4H9Br⟶C4H+9+Br−…

A: Adding all steps will give overall reaction and the species eliminated in overall reaction are…

Q: How do higher concentrations affect the rate of reaction? What is likely to happen when there are…

A: The rate of the reaction defines the speed at which the reaction takes place. According to the rate…

Q: What role does the reactivity of the reactants play indetermining the rate of a chemical reaction?

A:

Q: Account for the increase in reaction rate brought about by a catalyst.

A: Catalyst role is to control the rate of reaction. It don't get consumed after the reaction.

Q: Does the instantaneous rate increase, decrease, or remain the same as the reaction proceeds?

A: The instantaneous rate of reaction is directly proportional to the decomposition of reactants. As…

Q: What are the four basic steps involved in heterogeneous catalysis?

A: In a chemical reaction when the phase of the catalyst is different from the phase of the reactant…

Q: A stoichiometric mixture of two volumes of H2 and one volume of O2 in a flask will not react if…

A: Given that a stoichiometric mixture of two volumes of hydrogen and one volume of oxygen will not…

Q: The rate constant for a reaction can be increased by ______ the stability of the reactant or by…

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Q: By what factor does the reaction rate change if the concentrations of both reactants are doubled…

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Q: Consider the reaction: 4PH3 → P4 + 6H2 Suppose that, at a particular moment during the reaction,…

A: Given: The rate at which molecular hydrogen is formed = 0.00565 M/s

Q: Why is the order of a reaction important in the study of reaction rate?

A: Order of reaction => it is a sum of powers of                                           reactants

Q: How do overall reactions usually usually proceed?

A: The overall reaction do not tell us how actually the reaction has proceeds. It only tells us the…

Q: Define Heterogeneous Catalysis?

A: Heterogeneous Catalysis can be defined as a type of catalysis where catalyst is in different phase…

Q: explain why the rate of reaction initially increases with temp?

A: The objective of the question is to explain the reason of increase of rate of reaction initially…

Q: Consider the reaction:   N2(g) + 3H2(g)  →  2NH3(g) Suppose that a particular moment during the…

A: Given chemical reaction: N2(g) + 3H2(g) → 2NH3(g) The molecular hydrogen (H2) reacting at the rate =…

Q: An alka-seltzer antacid tablet reacts vigorously with cold water.   But you decide you don't like…

A: Given:  A glass full of water is required for vigorous reaction with cold water of an Allah seltzer…

Q: Explain the reaction by observing the sets of molecular collisions below

A: Chemical kinetics is the branch of chemistry that mainly deals with the rate of reaction and change…

Q: Define the molecularity of a reaction and explain how and when this is linked to the reaction…

A: Molecularity: The molecularity of a reaction is described as the number of reacting molecules that…

Q: If you were tasked with determining whether to proceed with a particular reaction in an industrial…

A: Chemical kinetics is the branch of chemistry that mainly deals with the rate of reaction and change…

Q: How is the rate of concentration expressed in terms of the concentration of the reactants of…

A: Rate is basically the speed with which the reaction is taking place i.e. how much the reaction is…

Q: Mg(s) + 2HCl(ac) --> MgCl2 (ac) + H2 (g) What effect will changing the amount of magnesium (mass of…

A: Answer-                            Mg(s) + 2 HCl(aq) → MgCl2(aq) + H2(g) Magnesium metal is being…

Q: Draw a graph showing the reaction pathway for an overallexothermic reaction with two intermediates…

A: For a chemical reaction the energy profile diagram shows the theoretical representation of reaction…

Q: A student discovers that the reaction between magnesium and hydrochloric acid is faster at higher…

A: It is given that at higher temperature the reaction between the Mg and HCl is faster, The increased…

Q: Answer the questions regarding the following chemical reaction: 4NH4 + 5O2 = 4NO + 6H2O. Suppose…

A: Give,                    4 NH4  +  5 O2   =    4 NO  +  6 H2O NH3 is reacting at a rate of 0.05 M/s…

Q: true or false: A balanced chemical reaction is necessary to relate the rate of reaction to the…

A: Here the statement is given that a balanced chemical reaction is necessary to relate the rate of…

Q: why surface area of reactants and the presence of a catalyst affects the rate of chemical reaction?

A: Surface area and presence of catalyst affect the rate of a reaction.  Greater the surface area of…

Q: Consider the thermal decomposition of SO2 at 550oC, the time required to decompose half the reactant…

A:

Q: Potentially Useful Reference Information -Ea J R = 8.314 k = A·erT %3D mol·K Complete the sentences…

A: The reaction is combustion of methane.

Q: Phosphine, PH3PH3, is a colorless, toxic gas that is used in the production of semiconductors as…

A:

Q: Enter your answer in the provided box. Consider the reaction: N2(g) + 3H2(g) 2NH3(g) Suppose that a…

A:

Q: Why are reaction rates important (both practically and theoretically)?

A: Reactions are usually either endothermic or exothermic nature. They require heat for performing…

Q: A chemical reaction can have only one rate-limiting step. Do you agree or disagree? Justify your…

A: Chemical kinetics is a well-known branch of physical chemistry that deals with the rates of chemical…

Q: Calculate the average rate constant for the reaction.

A:

Q: 12. Why does increasing the temperature of a reaction increase its rate, even for endothermic…

A: Following is the reason of increasing the rate when we increase the temperature of a reaction.

Q: A=[0.30],[0.60],[0.30] (mol/l) B=[0.15],[0.30].[0.30] (mol/l) C= 7.0 x 104,2.8 x 103,1.4 x…

A:

Q: Increasing the temperature of the reactants increases the fraction of the reacting species that…

A: Activation energy:It is the least amount threshold energy which is necessary for a reaction to take…

Q: Choose the correct rate law for the reaction at 1500°C.

A: Option B is the correct answer.

Q: Engineers and chemists designing explosives for mining find that the reaction is occurring too…

A: Answer - A general theory of explosives is that the detonation of the explosives charge causes a…

Q: The overall reaction of ozone reacting to form oxygen has been proposed to occur in a reaction…

A: A catalyst is a chemical species that makes the reaction rate faster by finding an alternative…

Q: How can measurements of reaction half-lives be used to determine the order of a reaction?

A: Half life of a reaction is that time when half of the reaction is completed.

Q: How does the amount of reactant account for the differences in the rate of reaction?

A: The rate of reaction directly depends upon the order of reaction. Follow step-by-step explanation.

Q: Does the rate constant depend on the concentrations of the reactants?

A: Rate constant:- It is defined as the rate of reaction when the concentration of reactants taken as…

Q: Define the term Reaction Mechanisms?

A: Given term,    Reaction mechanism

Q: Write two differences between ‘order of reaction’ and ‘molecularity of reaction’.

A: Reaction order: It refers to the power dependence of the rate on the concentration of each reactant.…