14Moving to another question will save this response.Question 3Consider the following reaction:2S(s)+302(g) →2SO3(g) + heatThe rate of this reaction could be increased byجاa. adding a catalystb. increasing the concentration of S(s)c. decreasing temperatured. increasing the concentration of SO3(g)A Moving to another question will save this response.

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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⦁ 4. Make your own energy diagram for an exothermic reaction that does not include a catalyst and one with a catalyst (Be sure each line is a different color or labeled). Label the axis of the diagram. Then, state what a catalyst is and how a catalyst affects the reaction rate.
7. The rate of the endothermic reaction, H2CO3(aq)→H2O(l)+CO2(g), using 1.00 M H2CO3, can be increased by adding more water to the reactant boiling the water doubling the quantity of 1.00 M H2CO3 a. I only b. II only c. III only d. II and III only
2. Which of the following methods will usually cause a reaction to speed up? A. Combining the reactants at a lower temperature. O B. Reducing the concentration of reactants. C. Grinding one of the reactants into a powder. O D Removing the catalyst.
19
Volume of HCI (mL) Volume of NaOH (mL) Temperature of HCI (°C) Temperature of mixture after reaction (°C) Temperature difference (°C) Number of joules evolved (J) (enter a positive value) Moles of H* that were neutralized (mol) Joules evolved per mole of H* (J/mol) Trial 1 50.0 50.0 27.4 31.8 4.4 X Ⓒ x Trial 2 50.0 50.0 27.4 31.8 4.4
Magnesium (Mg) is placed in a test tube containing hydrochloric acid (HCI). Will a reaction take place? * Yes O No
What type of reaction is this? In this diagram, what is the potential energy of C? In this diagram, what is the potential energy of D? In this diagram, what is the Eд without an enzyme? In this diagram, what is the Eд with an enzyme? In this diagram, what is the AG? 250 200 PE EA1 150 (kJ) D 100 "E с 50 Reaction pathway
20. Equilibrium is the state in which a. The rate of the forward reaction is greater than the reverse reaction. b. The rate of the reverse reaction is greater than the forward reaction. c. The rate of the forward reaction and reverse reaction are equal. 21. What is a catalyst?
Free Energy (kcal/mol) 25 20 15 10 5 0 A \ B A D Reaction progress Use the reaction energy diagram above to answer the following questions. Calculate the activation energy, AG ‡, for the step A to B. kcal/mol Calculate the overall energy change, AGº, for the process B to C. Which step is faster, (a) A to B or (b) C to D? kcal/mol
Which of the following cannot increase the rate of a reaction? Group of answer choices Increase the concentration of products. Add a catalyst. Increase the temperature. Increase the concentration of an aqueous or a gaseous reactant.
Classify each chemical reaction: Reaction FeCl₂(aq) + Na₂S (aq) 2Li (s) + 2HCl(aqg) → 2LiCl (aq) + H₂ (g) FeCl₂ (aq) + Bas (aq) → BaCl₂ (aq) + FeS (s) 2Na Cl (aq) + Fes (s) Туре ✓ choose one combination decomposition single displacement metathesis none of the above V
For the exothermic reaction 4 NH3(g) +7 02(g)- => 4 NO2(g) + 6 H20(g) which change will increase the quantity of NO2 in the mixture? O A. increasing temperature OB. decreasing container volume OC. adding Ne(g) O D. adding H20(g) O E. adding a catalyst

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