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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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What is the relationship between Equilibrium Constant and the Chemical Equation?
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- "Synthesis gas" is a mixture of carbon monoxide and water vapor. At high temperature synthesis gas will form carbon dioxide and hydrogen, and in fact this reaction is one of the ways hydrogen is made industrially. A chemical engineer studying this reaction fills a 75 L tank with 18. mol of carbon monoxide gas and 24. mol of water vapor. When the mixture has come to equilibrium he determines that it contains 6.0 mol of carbon monoxide gas, 12. mol of water vapor and 12. mol of carbon dioxide. The engineer then adds another 9.0 mol of carbon monoxide, and allows the mixture to come to equilibrium again. Calculate the moles of hydrogen after equilibrium is reached the second time. Round your answer to 2 significant digits. Answer Submitted: mol M 00arrow_forwardthe value of am equilibrium constant can be used to predict each of the following except time required to reach equilibrium extent of reaction quantity of reactants remaining at equilibrium direction of a reactionarrow_forward"Synthesis gas" is a mixture of carbon monoxide and water vapor. At high temperature synthesis gas will form carbon dioxide and hydrogen, and in fact this reaction is one of the ways hydrogen is made industrially. A chemical engineer studying this reaction fills a 100 L tank with 13. mol of carbon monoxide gas and 23. mol of water vapor. When the mixture has come to equilibrium he determines that it contains 4.0 mol of carbon monoxide gas, 14. mol of water vapor and 9.0 mol of carbon dioxide. The engineer then adds another 8.0 mol of water, and allows the mixture to come to equilibrium again. Calculate the moles of hydrogen after equilibrium is reached the second time. Round your answer to 2 significant digits. mol x10 × Śarrow_forward
- Explain Le Chatelier's principle as it relates to chemical equilibrium. Describe the types of stresses that cause chemical reactions and equilibrium to make more products. Use details to support your answerarrow_forwardSelect all the TRUE statements about chemical equilibrium. At equilibrium the rates of the forward and reverse reactions are equal. At equilibrium the concentrations of reactants and products remain constant. At equilibrium the reactants are still being converted to products (and vice versa). At equilibrium the concentrations of reactants and products are equal.arrow_forwardDecide whether each of the following statements is true or false. If false, change the wording of the statement to make it true. a) The magnitude of the equilibrium constant is always independent of temperature. b) When two chemical equations are added to give a net equation, the equilibrium constant for the net equation is the product of the equilibrium constants of the summed equations. c) The equilibrium constant for a reaction has the same value as K for the reverse reaction. d) Only the concentration of CO2 appears in the equilibrium expression for the reaction: CaCO3 (s) ↔ CaO (s) + CO2 (g). e) For the reaction CaCO3 (s) ↔ CaO (s) + CO2 (g), the value of K is numerically the same whether the amount of CO2 is expressed as molarity or as gas pressure.arrow_forward
- Use the data table provided to answer the questionarrow_forwardIf concentration of a substance is increased, does the equilibrium shift toward or away from that side of the reaction? If concentration of a substance is decreased, does the equilibrium shift toward or away from that side of the reaction? If temperature is increased, does the equilibrium shift toward the side that contains heat or away from the side that contains heat? If temperature is decreased, does the equilibrium shift toward the side that contains heat or away from the side that contains heat? When a reaction shifts due to stress, what is the reaction trying to reach?arrow_forwardWhat happens to the rate of the forward reaction as an equilibrium reaction proceedsarrow_forward
- There are 5 main factors that affect the equilibrium of a chemical system.arrow_forwardAn equilibrium constant of 900 indicates: Group of answer choices There are more reactants than products at equilibrium There are more products than reactants at equilibrium The reaction is not at equilibrium There are the same amount of reactants and products at equilibriumarrow_forwardWhat is true about the forward and reverse reaction rates once chemical equilibrium is established? The reverse rate is always faster than the forward rate. Both the forward and reverse rates are equal Impossible to determine because it depends on the reaction. The forward rate is always faster than the reverse rate.arrow_forward
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