Hydrogen and fluorine react to form hydrogen fluoride, like this:H₂(g) + F₂(g) → 2 HF (9)The reaction is exothermic. Suppose a mixture of H₂, F₂ and HF has come to equilibrium in a closed reaction vessel. Predict what change, if any, tperturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right orperturbationThe temperature isloweredchange in compositionThe pressure of H₂ willThe temperature is raised. The pressure of HF will78shift in equilibriumtoto the left(none)the rightXto the rightto the left.(none) Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and rAS.Note: if you have not been given enough information to decide a sign, select the "unknown" option.reactionABCobservationsThis reaction is spontaneous except above-26. °C.This reaction is always spontaneous, butproceeds slower at temperatures above.-32. °C.This reaction is exothermic and proceedsfaster at temperatures above 81. °C.conclusionsAH isAs isAll isAS isAll isAS isnegativenegative Bnegative Bpositive 8negative Bunknown

According to Le Chatelier principle if a system is in equilibrium is subjected to change of…

Hydrogen and fluorine react to form hydrogen fluoride, like this: H₂(9)+F(9)→ 2 HF (g) The reaction is exothermic. Suppose a mixture of H₂, F₂ and HF has come to equilibrium in a closed reaction vessel. Predict what change, if any, t perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or perturbation The temperature is lowered change in composition The pressure of Hy will The temperature is raised. The pressure of HF will 8 8 shift in equilibrium Oto the right to the left (none) to the right to the left X (none)

Hydrogen and fluorine react to form hydrogen fluoride, like this: H₂(9)+F(9)→ 2 HF (g) The reaction is exothermic. Suppose a mixture of H₂, F₂ and HF has come to equilibrium in a closed reaction vessel. Predict what change, if any, t perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or perturbation The temperature is lowered change in composition The pressure of Hy will The temperature is raised. The pressure of HF will 8 8 shift in equilibrium Oto the right to the left (none) to the right to the left X (none)

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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Assume that the reaction for the formation of gaseous hydrogen fluoride from gaseous hydrogen and gaseous fluorine has an equilibrium constant of 1.15 x 102 at a given temperature. In a particular experiment, 3.00 mol of each component was added to a 1.50 L flask. Calculate the equilibrium concentrations of all species.
Ammonia and oxygen react to form nitrogen and water, like this: 4NH, (g)+30,(g) 2N,(g)+6H,O(g) Suppose a mixture of NH2, O2, N, and H,0 has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation change in composition shift in equilibrium O to the right The pressure of NH3 will Some N, is added. O to the left The pressure of Oz will ? O (none) O to the right The pressure of O, will ? O to the left Some NH, is removed. The pressure of N2 will O (none) Submit Assignme Continue MacBook Air FI0 F8 吕口 D00 000 F4 F5 F3 F2 %
O KINETICS AND EQUILIBRIUM Using the small x approximation to solve equilibrium problems A chemist is studying the following equilibirum, which has the given equilibrium constant at a certain temperature: 2 NO(g) + Cl,(g) 2 NOCI(g) K,=2. x 107 He fills a reaction vessel at this temperature with 8.0 atm of nitrogen monoxide gas and 9.7 atm of chlorine gas. Use this data to answer the guestions in the table below. O yes Can you predict the equilibrium pressure of NOCI, using only the tools available to you within ALEKS? O no If you said yes, then enter the equilibrium pressure of NOCI at right. Round your answer to 1 significant digit. atm II
Nitrogen monoxide and ozone react to form nitrogen dioxide and oxygen, like this: NO(g) + O₂(g) → NO₂(g) + O₂(g) The reaction is exothermic. Suppose a mixture of NO, O3, NO₂ and O₂ has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation change in composition The temperature is raised. The pressure of O3 will The temperature is lowered. ? The pressure of NO₂ will ? shift in equilibrium O to the right to the left O (none) O to the right to the left O (none) X
Methane and water react to form carbon monoxide and hydrogen, like this: CH2(g)+H₂O(g) CO(g)+3H2(g) Suppose a mixture of CH 4, H2O, CO and H2 has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation change in composition shift in equilibrium to the right The pressure of CH4 will ? to the left Some CO is added. The pressure of H2O will ? (none) to the right The pressure of H2O will ? Some CH4 is removed. to the left The pressure of CO will ? (none)
Hydrogen chloride and oxygen react to form water and chlorine, like this: 4HCl(g) + O2(g) →>> 2H2O(g)+2Cl2(g) Suppose a mixture of HCl, O2, H2O and Cl2 has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation change in composition shift in equilibrium to the right The pressure of HCl will ? Some Cl₂ is added. to the left The pressure of O₂ will ? ○ (none) to the right The pressure of O2 will ? Some HCl is removed. to the left The pressure of H2O will ? O (none)
Nitrogen and hydrogen react to form ammonia, like this: N,(g)+3H,(8) - 2NH3 (g) Suppose a mixture of N,, H, and NH, has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation change in composition shift in equilibrium O to the right The pressure of N, will O to the left Some NH; is removed. ? The pressure of H, will O (none) go up. go down. not change. O to the right The pressure of N, will ? Some H, is added. O to the left The pressure of NH; will O (none)
Carbon disulfide and oxygen react to form carbon dioxide and sulfur dioxide, like this: CS₂(g) +30₂(g) CO₂(g) +2SO₂(g) Suppose a mixture of CS2, O2, CO2 and SO₂ has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation Some O₂ is added. - Some CO₂ is removed. change in composition The pressure of CS₂ will The pressure of CO₂ will The pressure of CS₂ will The pressure of O₂ will ? ? ? ? ↑ ↑ ↑ ↑ shift in equilibrium X O OOO to the right to the left (none) to the right to the left O (none)
Hydrogen chloride and oxygen react to form water and chlorine, like this: 4HClg+O2g→ 2H2Og+2Cl2g Suppose a mixture of HCl,O2,H2O and Cl2 has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left.