What is ∆H (in kJ/mol) for a reaction where the activation energy is 250 kJ/mol while the activation energy for the reverse reaction is 150.0 kJ/mol

Q: (a) Explain the following terms :(i) Order of a reaction(ii) Molecularity of a reaction(b) The rate…

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Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

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Q: Based on activation energies and energy changes and assuming that all collision factors are the…

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Q: Which of the following does not affect the rate of a chemical reaction? Group of answer choices A)…

A: The rate of a chemical reaction can be defined as the change in concentration of species with…

Q: A reversible reaction that occurs in a single step has ΔH = -17.8  kJ/mol and Ea = 37.7  kJ/mol.…

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

Q: The activation energy Ea for a particular reaction is 50.0 kJ/mol. How much faster is the reaction…

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Q: Problem attached

A: According to Arrhenius theory, the reaction can take place when the reactant molecules collide to…

Q: The rate of chemical reaction is affected or influenced by several factors. SATA *   choose 5…

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Q: deltaG tells us if a reaction can occur, but not if a reaction will actually occur. What measurement…

A: The Gibbs free energy tells about the energy which can be used for doing useful work. This parameter…

Q: A catalyst increases the rate of a reaction by: increasing the temperature. В) A) decreasing the…

A: Catalyst :-  A substance which when added in small amount to the reaction mixture , increases rate…

Q: The decomposition of hydrogen peroxide (H202(aq)) is proposed to follow a reaction mechanism of:…

A: Catalyst is the one that speeds up a chemical reaction by lowering activation energy of reaction.…

Q: tion energy for the reverse reaction is 25.4 kJ. What is the

A: Firstly we should know about reaction nature. This reaction is Endothermic because of breaking of…

Q: What is the activation energy for a reaction if the rate constant is 1.75 × 10 -4 s -1 at 220°C K…

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Q: Which of the following statements is true for a reaction for which Ea>0 if the temperature of the…

A: In general for a reaction activation energy is positive. The temperature dependence of rate is…

Q: 14. What is activation energy? Is it always constant for the same reaction? Why ? (3pts)

A: Given Activation energy activation energy is always constant for the same reaction

Q: The activation energy Ea for a particular reaction is 50.0 kJ/mol. How much faster is the reaction…

A: The rate of any reaction is directly proportional to the rate constant of reaction under similar…

Q: For a certain reaction, Kc=2.70×10−9 and kf= 5.97×104 M−2⋅s−1M−2 ⋅ s−1 . Calculate the value of the…

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Q: In the following chemical reaction at a certain temperature, if you know that the potential energy…

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Q: 2. a) How can the activation energy of a reaction be determined from the graph of In k vs 1/T? b) In…

A: The relationship between rate constant and activation energy is given by  where K = rate constant…

Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

A: The effect on rate of reaction with temperature change will be studied by Arrhenius equation. Using…

Q: The activation energy of a certain reaction is 79.6 kJ/mol . How many times faster will the reaction…

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Q: step 1: 2A B+ C +D (fast step) step 2: C + B E+F (fast step) step 3: F+D-> E+G (slow step) What is…

A: If we cancel out the same compounds from reactant side and product side we will get the over all…

Q: 3. For the reaction NO2(g) + CO(g) → NO(g) + CO2(g) the activation energy is 125 kJ/mol and the H…

A: Activation energy is the minimum amount of energy that is required to activate the molecules or…

Q: Which of the following is true regarding the addition of a catalyst to a reaction?  I. the Ea (fwd)…

A: Catalyst doesn't affect the equilibrium constant becase is cange the rate of reaction by same amount…

Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

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Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

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Q: Which of the following statements are true? I. Activation energy of a reaction is smaller at higher…

A: Activation energy: The excess energy that the reactant molecules having energy less than the…

Q: The lower reaction path, including points B, C and D, could represent which of the following things:…

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Q: Which statement is NOT true? ΔH° determines the height of the energy barrier. Two reactions can have…

A: Check each statement one by one to judge the wrong one.

Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

A: Given, Ea=42.2 kJ/mol T1=323 K T2= 343 K R= 8.314 J/mol K The formula relating the activation energy…

Q: Which energy difference in the energy profile below corresponds to the activation energy for the…

A: The Activation energy is the minimum amount of energy required for the reaction to occur . From the…

Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

A: Ea = 42.2 KJ/mol R = 8.314 J/molK T1 = 324 K T2 = 343 K

Q: 1,200 Determine the forward activation energy and change in for a reaction from the graph below. A)…

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Q: Do catalysts affect the overall enthalpy change for a reaction, the activation energy, or both?

A: The substances that are used to increase the speed of the reaction are termed catalysts. Their…

Q: 7 of 3 Y Reaction 1 Reaction 2 -- . Reaction Coordinate In an experiment done at a low temperature,…

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Q: A2(g) + B2(g) →2 AB(g) The activation energy (Ea) in the forward direction is +143 kJ. The…

A: The forward reaction has high Activation energy than backward reaction so the energy barrier is high…

Q: If the activation energy of a reaction increases, what happens to the rate constant (k)?   A. the…

A: From the Arrhenius Equation: Ea: Activation Energy. R: Gas Constant (8.314 JK-1mol-1) T:…

Q: 12) At 25 °C, a certain elementary reaction has a forward rate constant equal 1.0 x 10³ s' and an…

A: Given,  Rate constant for forward direction = Kf = 1.0 x 10-3 s-1  Equilibrium constant = Keq = 4.19…

Q: A) The reaction is exothermic. 2 -50 B) The activation energy is 50 kJ/mol. -37.5 1 C) AH = -25.0…

A: The term activation energy can be defined as the minimum quantity of energy which is needed to…

Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

A: In this question, we will see the Reaction how much time faster at High temperature than at low…

Q: (3) 13. For the following questions, use the following diagrams. Uncatalyzed Reaction Catalyzed…

A: Activation energy: the difference in energy between the transition state and reactant is known as…

Q: The activation energy of the forward reaction 96.27 kJ/mol and the activation energy for the reverse…

A: Delta H is calculated as follows

Q: The activation energy Ea for a particular reaction is 50.0 kJ/mol. How much faster is the reaction…

A: Given that: Ea = 50.0 KJ/mol = 50000 J/mol temperature,T2 = 323 K, T1 = 310 K R = 8.314 J/mol.K To…

Q: A certain 2nd order reaction is known to proceed by a two-step process such that k1<<k2.  The…

A: Energy diagram can be plotted by considering activation energies of reaction steps involved.

Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

A: Initial temperature of the reaction (T1) = 322 K Final temperature of the reaction (T2) = 343 K Let…

Q: 18. Which of these reactions appear to involve a catalyst? In those cases where a catalyst is…

A: Given reaction is CH3COOCH3(aq)   +   H2O(l) -------&gt;      CH3COOH(aq)    +       CH3OH(aq) The…

Q: In the following chemical reaction A + B → 2C + 40KJ  at a certain temperature, if you know that…

A: This problem can be solved from the concept of chemical kinetics. this is an exothermic reaction as…

Q: Calculate the activation energy (EA) for the forward reaction.

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