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Solid ammonium carbonate, (NH4)2CO3, decomposes to produce NH3 and CO2 gases and water vapor according to...
Solid ammonium carbonate, (NH4)2CO3, decomposes to produce NH3 and CO2 gases and water vapor according to the following equation: (NH4)2CO3 (s) «2NH3 (g) + CO2 (g) + H2O (g) A certain amount of solid ammonium carbonate, (NH4)2CO3, was placed in an evacuated and sealed 5,00-L flask and heated to 673 K. Some of the solid decomposed until equilibrium according to the above equation. Write an expression for the equilibrium constant kp for this reaction in terms of partial pressures, If...
You will be asked to upload your work for this question at the end of the...
You will be asked to upload your work for this question at the end of the exam. The following reaction is performed in a coffee-cup (constant pressure) calorimeter: 3 A + B + C + 3 D 75.00 mL of 0.1025 M A are mixed with 25.00 mL of 0.1014 M B. The initial temperature of both solutions is 21.76 °C. Once mixed, the solution's final temperature is 20.98 °C. Assume that all solutions have a density of 1.00 g/mL,...
please find the values for the empty boxes abd show your work. Which Alkali Metal Carbonate?...
please find the values for the empty boxes abd show your
work.
Which Alkali Metal Carbonate? Report Sheet Simple Weight Loss Collected Data: Trial 1 Trial 2 Mass of flask (m,) 91 249 9 18-447 s Mass of flask + unknown (m2) 100 4850 93.293 9 Mass of graduated cylinder + HCI (ms) lo mL CMass of graduated cylinder (ma) 35. 6373 35.622 24 7899 24.755 9 Mass of flask after reaction (ms) 103.562 110.6943 Calculated Data: Trial 2 Trial...
All work and answers should be written on your own paper. 1. (6 Pts) Write the...
All work and answers should be written on your own paper. 1. (6 Pts) Write the equilibrium expression, Kc, for the following reactions. a. 2 SO2(g) + O2(g) = 2 SO3(g) b. Cl(g) + O3(g) = CIO(g) + O2(g) c. 4 KO2() + 2 H2O(g) = 4 KOH(s) + 3 O2(g) 2. (6 Pts) Write the equilibrium expression, Kr, for the reactions in problem 1. 3. (8 Pts) At 127°C, Kc = 2.6 x 10- for the reaction: 2 NH3(g)...
please show work for the top one thank you Given the reaction at 200K: 3H2(g) +...
please
show work for the top one thank you
Given the reaction at 200K: 3H2(g) + N2(g) = 2NH3(9) A flask initially contains 0.285M hydrogen and 0.334M nitrogen and no ammonia. Calculate Kc if the equilibrium concentration of hydrogen is 0.042M. Report your answer to 4 significant figures NOT in scientific notation Answer: What is the equilibrium expression, Kc, for the following reaction? SIC(s) + 2CO2(g) = SiO2(s) + 3C(s) Select one: O A. [CO]2 o B. [SIO2] [C] /...
Chapter 5 and Chapter 10 Problem solving (please practice the following questions and make sure that you understand...
Chapter 5 and Chapter 10 Problem solving (please practice the following questions and make sure that you understand the principles behind: you can find Ar from textbook or website I. A 145 g sample of copper metal at 100.0°C is placed into 250.0 g of water at 25.0°C in a calorimeter. When the system reaches thermal equilibrium, the temperature of the water in the calorimeter is 28.8°C. Assume the calorimeter is perfectly insulated. What is the specific heat capacity of...
need help ASAP Question 9 4 pts Exactly 1.100 g of CO2(g) was introduced into a...
need help ASAP
Question 9 4 pts Exactly 1.100 g of CO2(g) was introduced into a 1.00-L flask that already contained some O2 gas. The flask was warmed to 100 °C and the total pressure was found to be 815 mmHg. No chemical reaction occurred between CO2 and 02. Calculate the mass of Oz in the flask. 1.12 g 02 O 0.160 g 02 O 0.754 g 02 O 0.820 g 02 O 0.321 g 02 1.5 pts Question 10...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) 1) One mole of any substance contains Avogadro's number of particles of that substance. What is the numerical value of Avogadro's number? A) 12.01 23 Avagrans t Male aton 6022 x1o atums B) 6.022 x 1023 C) 6.022 x 10-23 D) 1.661 x10-24 E) 1.00 x10-14 2) What is the mass of 4.00 moles of helium, the gas commonly used to fill...
(6 pts.) 1. The air pressure in the inner tube of a tire on a typical...
(6 pts.) 1. The air pressure in the inner tube of a tire on a typical racing bike is held at a pressure of 115 psi (pounds! per square inch). Convert this pressure to atm and mm Hg. (3 pts. each) The atmospheric pressure is 0.978 atm. Determine the pressure of the enclosed gas in each of the cases depicted below. Gas Gas (6 pts.) 3. A 5.90 L bottle contains 1070 g of oxygen at 25.0°C. Calculate the pressure...
What is the coefficient of H.So, when the following equation is properly balanced with the smallest set of w...
What is the coefficient of H.So, when the following equation is properly balanced with the smallest set of whole numbers? __Cas(PO4h + H2SO4 - Caso + HPO. A) 3 B) 8 C) 10 D) 11 2) What is the coefficient of H20 when the following equation is properly balanced with smallest set of whole numbers? ALC + H2O - AM(OH), + CHE A) 3 B) 4 C) 6 D) 12 E) 24 3) of the reactions below, which one is...
You will be asked to upload your work for this question at the end of the exam. The following reaction is performed in a coffee-cup (constant pressure) calorimeter: 3 A + B + C + 3 D 75.00 mL of 0.1025 M A are mixed with 25.00 mL of 0.1014 M B. The initial temperature of both solutions is 21.76 °C. Once mixed, the solution's final temperature is 20.98 °C. Assume that all solutions have a density of 1.00 g/mL,...
please find the values for the empty boxes abd show your
work.
Which Alkali Metal Carbonate? Report Sheet Simple Weight Loss Collected Data: Trial 1 Trial 2 Mass of flask (m,) 91 249 9 18-447 s Mass of flask + unknown (m2) 100 4850 93.293 9 Mass of graduated cylinder + HCI (ms) lo mL CMass of graduated cylinder (ma) 35. 6373 35.622 24 7899 24.755 9 Mass of flask after reaction (ms) 103.562 110.6943 Calculated Data: Trial 2 Trial...
All work and answers should be written on your own paper. 1. (6 Pts) Write the equilibrium expression, Kc, for the following reactions. a. 2 SO2(g) + O2(g) = 2 SO3(g) b. Cl(g) + O3(g) = CIO(g) + O2(g) c. 4 KO2() + 2 H2O(g) = 4 KOH(s) + 3 O2(g) 2. (6 Pts) Write the equilibrium expression, Kr, for the reactions in problem 1. 3. (8 Pts) At 127°C, Kc = 2.6 x 10- for the reaction: 2 NH3(g)...
please
show work for the top one thank you
Given the reaction at 200K: 3H2(g) + N2(g) = 2NH3(9) A flask initially contains 0.285M hydrogen and 0.334M nitrogen and no ammonia. Calculate Kc if the equilibrium concentration of hydrogen is 0.042M. Report your answer to 4 significant figures NOT in scientific notation Answer: What is the equilibrium expression, Kc, for the following reaction? SIC(s) + 2CO2(g) = SiO2(s) + 3C(s) Select one: O A. [CO]2 o B. [SIO2] [C] /...
Chapter 5 and Chapter 10 Problem solving (please practice the following questions and make sure that you understand the principles behind: you can find Ar from textbook or website I. A 145 g sample of copper metal at 100.0°C is placed into 250.0 g of water at 25.0°C in a calorimeter. When the system reaches thermal equilibrium, the temperature of the water in the calorimeter is 28.8°C. Assume the calorimeter is perfectly insulated. What is the specific heat capacity of...
need help ASAP
Question 9 4 pts Exactly 1.100 g of CO2(g) was introduced into a 1.00-L flask that already contained some O2 gas. The flask was warmed to 100 °C and the total pressure was found to be 815 mmHg. No chemical reaction occurred between CO2 and 02. Calculate the mass of Oz in the flask. 1.12 g 02 O 0.160 g 02 O 0.754 g 02 O 0.820 g 02 O 0.321 g 02 1.5 pts Question 10...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) 1) One mole of any substance contains Avogadro's number of particles of that substance. What is the numerical value of Avogadro's number? A) 12.01 23 Avagrans t Male aton 6022 x1o atums B) 6.022 x 1023 C) 6.022 x 10-23 D) 1.661 x10-24 E) 1.00 x10-14 2) What is the mass of 4.00 moles of helium, the gas commonly used to fill...
(6 pts.) 1. The air pressure in the inner tube of a tire on a typical racing bike is held at a pressure of 115 psi (pounds! per square inch). Convert this pressure to atm and mm Hg. (3 pts. each) The atmospheric pressure is 0.978 atm. Determine the pressure of the enclosed gas in each of the cases depicted below. Gas Gas (6 pts.) 3. A 5.90 L bottle contains 1070 g of oxygen at 25.0°C. Calculate the pressure...
What is the coefficient of H.So, when the following equation is properly balanced with the smallest set of whole numbers? __Cas(PO4h + H2SO4 - Caso + HPO. A) 3 B) 8 C) 10 D) 11 2) What is the coefficient of H20 when the following equation is properly balanced with smallest set of whole numbers? ALC + H2O - AM(OH), + CHE A) 3 B) 4 C) 6 D) 12 E) 24 3) of the reactions below, which one is...
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