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5 points A 15.0 L vessel contains a mixture of 2.00 g of H2(8) and 10.00...
QUESTION 2 0.5 A vessel contains a mixture of 27.8 grams of H2 (g) and 16.0...
QUESTION 2 0.5 A vessel contains a mixture of 27.8 grams of H2 (g) and 16.0 grams of CH4. If the total pressure inside the vessel is measured at 3.21 atm, the partial pressure of H2(g) must be atm. O C 6.03 0.217 O O O O QUESTION 3 0.5 p Zinc reacts with aqueous sulfuric acid to form hydrogen gas: Zn (s) + H2SO4 (aq) → ZnSO4 (aq) + H2 (g) In an experiment, 201 mL of wet Hy...
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.
7.5 1) A chemist places a mixture of 2.00 mol hydrogen gas, H2(8): 1.00 mol of...
7.5 1) A chemist places a mixture of 2.00 mol hydrogen gas, H2(8): 1.00 mol of nitrogen gas, N2(g)and 2.00 mol of ammonia gas, NH3 (8) in a sealed rigid 1.00 L flask at 750 k The equilibrium constant for this reaction is 1.05 10 A21 at 750 k A) Write the balanced equation for the synthesis of ammonia gas Calculate Q from the initial amounts of gas B) C) Determine whether the chemical system is at equilibrium. If the...
31. What will be the mass of hydrogen gas, H2, that is stored in a 15.0-L...
31. What will be the mass of hydrogen gas, H2, that is stored in a 15.0-L container at the prem 7.50 atm? The container is kept at 20.0°C. (Use molar mass of 2.00 g/mol for the hydro- 137 g b. 9.35 g a. c. 225 g d. 80.0 g 32. A conjugate acid-base pair is related by the loss and gain of H between 2 corresponding compounds on opposite sides of the reaction arrow. b. a. is not related in...
In which reactions is the AS rxn positive CIO(g) + O2(g) - CI(g) + 2O2(8) RXN...
In which reactions is the AS rxn positive CIO(g) + O2(g) - CI(g) + 2O2(8) RXN 01 203(g) 302(8) RXN 02 2 NO2(8) N204(8) RXN 03 RXN 02 only RXN 01 and RXN 02 RXN 01 only All three of the reactions None of the reactions RXN03 only RXN 02 and RXN 03 ORXN 01 and RXN03 - You have a process that is: Endothermic, Entropy decreases. Choose the best answer: O always non-spontaneous O spontaneous at high temperatures O...
Homework week 6 1. How do gaseous, liquid, and solid methanol (CHO) compare in each of...
Homework week 6 1. How do gaseous, liquid, and solid methanol (CHO) compare in each of the following features: (a) density; (b) the space between the molecules; (c) the attractive force between the molecules? 2. Convert each pressure unit to the indicated unit. a. 3.0 atm to mm Hg b. 720 mm Hg to psi c. 424 mm Hg to atm 3. A sample of nitrogen gas has a volume of 15.0 mL at a pressure of 0.50 atm. What...
1. Glucose, also known as blood sugar has the formula, C6H12O6. a) Write a balanced equation...
1. Glucose, also known as blood sugar has the formula, C6H12O6. a) Write a balanced equation for the combustion of glucose. b) If 3.8 kcal is released by combustion of each gram of glucose, how many kilocalories are released by the combustion of 1.50 mol of glucose? c) What is the minimum amount of energy a plant must absorb to produced 15.0 g of glucose? 2. In the following, does S increase or decrease: a) A drop of ink spreading...
1. Some solids can be converted directly to the vapor phase by heating. The process is...
1. Some solids can be converted directly to the vapor phase by heating. The process is called: a) Fusion b) sublimation c) vaporization d) condensation e) distillation 2. Which one of the following substances is INCORRECTLY matched with the kind of solid it forms? Substance Kind of Solid a) Sulfur dioxide molecular b) Graphite covalent c) Calcium bromide ionic d) Lithium ionic e) Methane molecular 3. Arrange the following in order of increasing melting points: KCl, He, H2O, HF. a)...
QUESTION 2 0.5 A vessel contains a mixture of 27.8 grams of H2 (g) and 16.0 grams of CH4. If the total pressure inside the vessel is measured at 3.21 atm, the partial pressure of H2(g) must be atm. O C 6.03 0.217 O O O O QUESTION 3 0.5 p Zinc reacts with aqueous sulfuric acid to form hydrogen gas: Zn (s) + H2SO4 (aq) → ZnSO4 (aq) + H2 (g) In an experiment, 201 mL of wet Hy...
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.
7.5 1) A chemist places a mixture of 2.00 mol hydrogen gas, H2(8): 1.00 mol of nitrogen gas, N2(g)and 2.00 mol of ammonia gas, NH3 (8) in a sealed rigid 1.00 L flask at 750 k The equilibrium constant for this reaction is 1.05 10 A21 at 750 k A) Write the balanced equation for the synthesis of ammonia gas Calculate Q from the initial amounts of gas B) C) Determine whether the chemical system is at equilibrium. If the...
31. What will be the mass of hydrogen gas, H2, that is stored in a 15.0-L container at the prem 7.50 atm? The container is kept at 20.0°C. (Use molar mass of 2.00 g/mol for the hydro- 137 g b. 9.35 g a. c. 225 g d. 80.0 g 32. A conjugate acid-base pair is related by the loss and gain of H between 2 corresponding compounds on opposite sides of the reaction arrow. b. a. is not related in...
In which reactions is the AS rxn positive CIO(g) + O2(g) - CI(g) + 2O2(8) RXN 01 203(g) 302(8) RXN 02 2 NO2(8) N204(8) RXN 03 RXN 02 only RXN 01 and RXN 02 RXN 01 only All three of the reactions None of the reactions RXN03 only RXN 02 and RXN 03 ORXN 01 and RXN03 - You have a process that is: Endothermic, Entropy decreases. Choose the best answer: O always non-spontaneous O spontaneous at high temperatures O...
Homework week 6 1. How do gaseous, liquid, and solid methanol (CHO) compare in each of the following features: (a) density; (b) the space between the molecules; (c) the attractive force between the molecules? 2. Convert each pressure unit to the indicated unit. a. 3.0 atm to mm Hg b. 720 mm Hg to psi c. 424 mm Hg to atm 3. A sample of nitrogen gas has a volume of 15.0 mL at a pressure of 0.50 atm. What...
1. Some solids can be converted directly to the vapor phase by heating. The process is called: a) Fusion b) sublimation c) vaporization d) condensation e) distillation 2. Which one of the following substances is INCORRECTLY matched with the kind of solid it forms? Substance Kind of Solid a) Sulfur dioxide molecular b) Graphite covalent c) Calcium bromide ionic d) Lithium ionic e) Methane molecular 3. Arrange the following in order of increasing melting points: KCl, He, H2O, HF. a)...
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