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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Describe the effect of each of the following on the
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- If a reaction is carried out in the presence of a catalyst, will the amount of productpresent at equilibrium increase, decrease, or stay the same?arrow_forwardin the oceans, aqueous calcium ion combines 1:1 with aqueous carbonate ion to yield limestone, a solid. What is the expression for the Law of Mass Action for the reverse reaction, the dissolution of calcium carbonate into calcium and carbonate ions? The equilibrium constant for the dissolution of a solid is referred to as Ksp. Ksp = limestone/[calcium][carbonate] Ksp = [calcium][carbonate]/limestone Ksp = [calcium][carbonate] Ksp = [calcium]2[carbonate]/limestonearrow_forwardWhat is the difference between KD and KA? in relation to “Law of Mass Action"arrow_forward
- topic: molecular collision reactions A student reacts ground chalk, CaCO3(s), with HCl(aq) in an open beaker at room temperature. Explain, using collision theory, what happens to the rate of the reaction as the reaction proceeds to completion.arrow_forward0.0784 moles of substance A is dissolved in water to make a 2.00 L solution. Then, substance B is added, without changing the volume of the solution, and the following reaction takes place: 2A (aq) + 3B (aq) →2C (aq) During the course of the reaction, concentration of A is monitored. After 100 seconds into the reaction, it was found that 0.0570 moles of A is remaining. Calculate the rate of disappearance of A in the first 100 seconds of the reaction. Hint: Since rate is defined as the change in molar concentration (mol/L) over time, start by calculating molarity of A in the beginning of the reaction, and 100 seconds after. rate = A [A] At O 3.92x104 M.s1 O 2.14x104 MS1 O 1.07x10 M.s1 O 5.34x10 Msarrow_forwardWhat assumption are making when calculating the k in Arrhenious equation and why does it not matter for determining order of reaction?arrow_forward
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