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Question 24 6 pts You do not need to type out your answer to this question....
Be sure to put your answer into the proper number of significant digits. > Question 22...
Be sure to put your answer into the proper number of significant digits. > Question 22 4 pts The total pressure exerted by a mixture of nitrogen, oxygen and water vapor is 742 mmHg in a sealed container. The partial pressure of N, is 581 mmHg, and the partial pressure of water vapor is 18 mmHg. What is the pressure (in atm) of the O2 in the container? Make sure to provide your answer to the proper number of significant...
Question 24 6 pts Clearly type out your answer to parts (A), (B) and (C) in...
Question 24 6 pts Clearly type out your answer to parts (A), (B) and (C) in the space provided. Retain all of your handwritten work for this question to be uploaded separately after you have completed the exam. Given the following long run production and cost functions: 9 = 1362 C = 15L +3K (A) What input has diminishing marginal returns? (B) Does this production function display increasing, decreasing or constant returns to scale? (C) What is this firm's expansion...
answers will vary for this question.) (a) Using the average molarity value you reported for your...
answers will vary for this question.) (a) Using the average molarity value you reported for your unknown acetic acid solution in Part 2, how many grams of acetic acid would be present in 1.00 L of your unknown acetic acid solution? 0.295 mol HCH₂O2/1oox 60.069 HC2H₂O I T Imoltte H₂O2 = 17,79 HC₂H₂O₂ L 17.79 HGHz Oz (b) Convert the molarity of your unknown acetic acid solution into a mass percent of acetic acid. Assume that the density of your...
please solve 4 of them, thank you. 2. Buffer Questions (Do 4 of 5 problems---6 pts...
please solve 4 of them, thank you.
2. Buffer Questions (Do 4 of 5 problems---6 pts each) a. Three different weak bases and their Kh values are listed below in a table. Which one would be best to form a buffer with a pH of 8.50? Explain why, and numerical calculations are expected as part of your answer to receive full credit. K = K,K) = 1.0 x 10-14 Weak Base K, Value KPK ammonia (1,8 x 10 hydrazine 1.3...
2. Calculate y, and report the result with the correct number of significant figures and the absolute error: y-251(+-1) x 860(+-2) / 1.673(+-0.006) Its question #2 i typed it out you do not need...
2. Calculate y, and report the result with the correct number
of significant figures and the absolute error: y-251(+-1) x
860(+-2) / 1.673(+-0.006)
Its
question #2 i typed it out you do not need the picture
The question is to Calculate Y, and report the result with the
correct number of significant figures and the absolute error:
y=251(+-1) x 860(+-2) / 1.673(+-0.006)
3
sig figs
(10 points) Calculate the pH of a solution that is 0.04 M in NH, and...
When you write the answers, please write the page number for which the question is located....
When you write the answers, please write the page number for
which the question is located. Thank you!
Experiment 8 Name: Double Replacement Reactions Background: Some reactions have the net effect of causing the cation of cach reactant to trade places, forming a compound with the other anion. These reactions are known as double replacement reactions. In the example below (unbalanced equation), the barium and sodium cations switch places so that barium forms a product with sulfate while sodium forms...
Please help with solving Question 1 (A-C) Thank you! Unless otherwise specified in the problem, you...
Please help with solving Question 1 (A-C) Thank you!
Unless otherwise specified in the problem, you may assume that all solutions are at 25°C. 1. 50.0 mL of a pH 6.00 carbonic acid buffer is titrated with 0.2857 M NaOH, requiring 17.47 mL to reach the second equivalence point. a. Calculate the molarity of carbonic acid and bicarbonate in the original buffer. Carbonic acid: Bicarbonate: b. Calculate the pH of the solution after a total of 100.0 mL of 0.2857...
Be sure to put your answer into the proper number of significant digits. > Question 22 4 pts The total pressure exerted by a mixture of nitrogen, oxygen and water vapor is 742 mmHg in a sealed container. The partial pressure of N, is 581 mmHg, and the partial pressure of water vapor is 18 mmHg. What is the pressure (in atm) of the O2 in the container? Make sure to provide your answer to the proper number of significant...
Question 24 6 pts Clearly type out your answer to parts (A), (B) and (C) in the space provided. Retain all of your handwritten work for this question to be uploaded separately after you have completed the exam. Given the following long run production and cost functions: 9 = 1362 C = 15L +3K (A) What input has diminishing marginal returns? (B) Does this production function display increasing, decreasing or constant returns to scale? (C) What is this firm's expansion...
answers will vary for this question.) (a) Using the average molarity value you reported for your unknown acetic acid solution in Part 2, how many grams of acetic acid would be present in 1.00 L of your unknown acetic acid solution? 0.295 mol HCH₂O2/1oox 60.069 HC2H₂O I T Imoltte H₂O2 = 17,79 HC₂H₂O₂ L 17.79 HGHz Oz (b) Convert the molarity of your unknown acetic acid solution into a mass percent of acetic acid. Assume that the density of your...
please solve 4 of them, thank you.
2. Buffer Questions (Do 4 of 5 problems---6 pts each) a. Three different weak bases and their Kh values are listed below in a table. Which one would be best to form a buffer with a pH of 8.50? Explain why, and numerical calculations are expected as part of your answer to receive full credit. K = K,K) = 1.0 x 10-14 Weak Base K, Value KPK ammonia (1,8 x 10 hydrazine 1.3...
2. Calculate y, and report the result with the correct number
of significant figures and the absolute error: y-251(+-1) x
860(+-2) / 1.673(+-0.006)
Its
question #2 i typed it out you do not need the picture
The question is to Calculate Y, and report the result with the
correct number of significant figures and the absolute error:
y=251(+-1) x 860(+-2) / 1.673(+-0.006)
3
sig figs
(10 points) Calculate the pH of a solution that is 0.04 M in NH, and...
When you write the answers, please write the page number for
which the question is located. Thank you!
Experiment 8 Name: Double Replacement Reactions Background: Some reactions have the net effect of causing the cation of cach reactant to trade places, forming a compound with the other anion. These reactions are known as double replacement reactions. In the example below (unbalanced equation), the barium and sodium cations switch places so that barium forms a product with sulfate while sodium forms...
Please help with solving Question 1 (A-C) Thank you!
Unless otherwise specified in the problem, you may assume that all solutions are at 25°C. 1. 50.0 mL of a pH 6.00 carbonic acid buffer is titrated with 0.2857 M NaOH, requiring 17.47 mL to reach the second equivalence point. a. Calculate the molarity of carbonic acid and bicarbonate in the original buffer. Carbonic acid: Bicarbonate: b. Calculate the pH of the solution after a total of 100.0 mL of 0.2857...
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