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QUESTION 8 Which of...
Please help. No need for deep explanation just write the correct answer Blackboard Remaining Time: 49...
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Blackboard Remaining Time: 49 minutes, 05 seconds. Question Completion Status: QUESTION 16 4 points Consider the decomposition of H2S according to the following reaction at 1065°C: 2H2S(g) + 2H2(g) + S218) Kp = 0.0120 at 1065°C Starting with pure H25 at 1065°C, what must the initial pressure of H2S be if the equilibrated mixture at this temperature is to contain 0.250 atm of Halg? 2.50 atm 0.90 atm...
Which of the following expressions is the correct equilibrium-constant expression for the reaction below? 200(g) =...
Which of the following expressions is the correct equilibrium-constant expression for the reaction below? 200(g) = CO2(g) + C(s) A. [CO][C]/[CO] B. K [CO] C. [CO] / [CO2) D. [CO]/[CO] E. 2[CO] /[CO][C] In which of the following reactions would increasing pressure at constant temperature not change the concentrations of reactants and products, based on Le Châtelier's principle? ООООО A. 2N, () + 0,02N,0 () B. N.O. (g) 2NO, (g) C. N2(g) + 3H2(g)2NH3 (9) D. N2 (9) + 202...
QUESTION 2 Consider the following reversible reaction at equilibrium: 3H2(g) + N2(g) → 2NH3(g) + heat...
QUESTION 2 Consider the following reversible reaction at equilibrium: 3H2(g) + N2(g) → 2NH3(g) + heat Which of the following changes will shift the equilibrium towards the products (right side)? Decreasing the amount of NH3. Increasing the temperature. Adding a catalyst to the system. Decreasing the amount of H2. Increasing the volume of the system.
Please help i need to get these right in order to get an A PLEASE PLEASE...
Please help i need to get these right in order to get an A PLEASE PLEASE PLEASE 1. What is the Kc for the following reaction at equilibrium at 1000 ∘C if [CO]= 0.50 M , [H2]= 0.32 M , [CH4]= 1.6 M , and [H2O]= 2.8 M ? CO(g)+3H2(g)⇌CH4(g)+H2O(g) 2. The equilibrium constant, Kc, for the reaction of H2 and N2 is 1.7×102 at 225 ∘C. 3H2(g)+N2(g)←−→2NH3(g) If the system at equilibrium contains 0.19 M H2 and 0.026 M...
Question 39 2 pts Which of the following changes is most likely to decrease the reaction...
Question 39 2 pts Which of the following changes is most likely to decrease the reaction rate for the chemical reaction? 2CO(g) + O2(g) → 2CO2(g) O adding a catalyst to the reaction mixture adding twice as much O2 to the reaction mixture O removing some CO from the reaction mixture tripling the temperature of the reaction mixture Question 40 2 pts If two aqueous solutions with concentrations of 0.3 M sugar and 0.5 M sugar respectively are separated by...
please show work? Question 38 (8 points) A 50.0 L reaction vessel contains 2.00 mole nitrogen,...
please show work?
Question 38 (8 points) A 50.0 L reaction vessel contains 2.00 mole nitrogen, 3.00 mole hydrogen and 0.500 mole NH3. The mixture is approaching the following equilibrium: N2(g) + 3H2(g) + 2NH3(9) a) Calculate the reaction quotient Q. b) If the value of Kc is 0.500, predict which direction the reaction will go in order to reach equilibrium(to the right, to the left, or no change). Explain your answer.
1.At 450°C, tert-butyl alcohol decomposes into water and isobutene. (CH3)3COH(g) (CH3)2CCH2(g) + H2O(g) A reaction vessel...
1.At 450°C, tert-butyl alcohol decomposes into water and isobutene. (CH3)3COH(g) (CH3)2CCH2(g) + H2O(g) A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature? A. The forward reaction will proceed in order to reestablish equilibrium. B. The reverse reaction will proceed in order to reestablish equilibrium. C. No change occurs. D. The equilibrium constant will increase. E. The equilibrium constant will decrease. 2. The following reaction is...
please answer 8-10 Canvas -→ XCIO Question 8 Which element is oxidized in the following reaction?...
please answer 8-10
Canvas -→ XCIO Question 8 Which element is oxidized in the following reaction? Cr2O72-(aq) + 61"(aq) + 14 H*(aq) + 2 Cr3+ (aq) + 312(s) + 7 H2O(1) eo None of these. This is not a redox reaction OH Ocr Question 9 Balance the following redox reaction, which occurs in acidic solution, using the smallest w Te(s) + NO3(aq) - TeOz(s) + NO(g) unbalanced When this equation is appropriately balanced, what is the coefficient on water and...
What is the pH of a solution prepared by dissolving 5.00 g of Ba(OH)2 in 5.00...
What is the pH of a solution prepared by dissolving 5.00 g of Ba(OH)2 in 5.00 liters of water. Assume no volume change after BOH)2 added. (MM of Ba(OH)2 - 171 g/mol). pH = 2.23 pH = 12.43 pH = 11.77 pH = 12.07 pH = 10.60 QUESTIONS A solution is prepared by adding 0.10 mole of sodium fluoride, Naf, to 1.00L of water. Which statement about the solution is true? The concentration of fluoride ions and sodium ions in...
3. Formic acid, HCOOH, is a weak acid with a pK, of 3.74. Draw up a...
3. Formic acid, HCOOH, is a weak acid with a pK, of 3.74. Draw up a reaction table for the reaction of 0.300 M formic acid with water, and calculate the pH of this solution. 4. Consider the following gas-phase equilibrium reaction: N(g) O,(g)2NOg K, 4.10x 10 at 2000°C If 1.0 mol of NO is introduced into a 1.0 L container at 2000 C, what is the concentration of NO when equilibrium is reached? 5. Consider the equilibrium Predict and...
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Blackboard Remaining Time: 49 minutes, 05 seconds. Question Completion Status: QUESTION 16 4 points Consider the decomposition of H2S according to the following reaction at 1065°C: 2H2S(g) + 2H2(g) + S218) Kp = 0.0120 at 1065°C Starting with pure H25 at 1065°C, what must the initial pressure of H2S be if the equilibrated mixture at this temperature is to contain 0.250 atm of Halg? 2.50 atm 0.90 atm...
Which of the following expressions is the correct equilibrium-constant expression for the reaction below? 200(g) = CO2(g) + C(s) A. [CO][C]/[CO] B. K [CO] C. [CO] / [CO2) D. [CO]/[CO] E. 2[CO] /[CO][C] In which of the following reactions would increasing pressure at constant temperature not change the concentrations of reactants and products, based on Le Châtelier's principle? ООООО A. 2N, () + 0,02N,0 () B. N.O. (g) 2NO, (g) C. N2(g) + 3H2(g)2NH3 (9) D. N2 (9) + 202...
QUESTION 2 Consider the following reversible reaction at equilibrium: 3H2(g) + N2(g) → 2NH3(g) + heat Which of the following changes will shift the equilibrium towards the products (right side)? Decreasing the amount of NH3. Increasing the temperature. Adding a catalyst to the system. Decreasing the amount of H2. Increasing the volume of the system.
Question 39 2 pts Which of the following changes is most likely to decrease the reaction rate for the chemical reaction? 2CO(g) + O2(g) → 2CO2(g) O adding a catalyst to the reaction mixture adding twice as much O2 to the reaction mixture O removing some CO from the reaction mixture tripling the temperature of the reaction mixture Question 40 2 pts If two aqueous solutions with concentrations of 0.3 M sugar and 0.5 M sugar respectively are separated by...
please show work?
Question 38 (8 points) A 50.0 L reaction vessel contains 2.00 mole nitrogen, 3.00 mole hydrogen and 0.500 mole NH3. The mixture is approaching the following equilibrium: N2(g) + 3H2(g) + 2NH3(9) a) Calculate the reaction quotient Q. b) If the value of Kc is 0.500, predict which direction the reaction will go in order to reach equilibrium(to the right, to the left, or no change). Explain your answer.
please answer 8-10
Canvas -→ XCIO Question 8 Which element is oxidized in the following reaction? Cr2O72-(aq) + 61"(aq) + 14 H*(aq) + 2 Cr3+ (aq) + 312(s) + 7 H2O(1) eo None of these. This is not a redox reaction OH Ocr Question 9 Balance the following redox reaction, which occurs in acidic solution, using the smallest w Te(s) + NO3(aq) - TeOz(s) + NO(g) unbalanced When this equation is appropriately balanced, what is the coefficient on water and...
What is the pH of a solution prepared by dissolving 5.00 g of Ba(OH)2 in 5.00 liters of water. Assume no volume change after BOH)2 added. (MM of Ba(OH)2 - 171 g/mol). pH = 2.23 pH = 12.43 pH = 11.77 pH = 12.07 pH = 10.60 QUESTIONS A solution is prepared by adding 0.10 mole of sodium fluoride, Naf, to 1.00L of water. Which statement about the solution is true? The concentration of fluoride ions and sodium ions in...
3. Formic acid, HCOOH, is a weak acid with a pK, of 3.74. Draw up a reaction table for the reaction of 0.300 M formic acid with water, and calculate the pH of this solution. 4. Consider the following gas-phase equilibrium reaction: N(g) O,(g)2NOg K, 4.10x 10 at 2000°C If 1.0 mol of NO is introduced into a 1.0 L container at 2000 C, what is the concentration of NO when equilibrium is reached? 5. Consider the equilibrium Predict and...
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