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please answer this asap i need this to bump up my grade! thank you so much...
please answer this asap i need this to bump up my grade! thank
you so much i really appreciate it.
Solve each of the following trigonometric equations over the given Total: 22 marks domains. SHOW YOUR WORK and make sure that your solutions are clearly indicated, either in exact values in terms of 2 or in degrees (depending on the given domain). When finished, submit your assignment to your instructor. a) sec 0 = - 2, 0<< 360° b) cos...
i need help plz Cyanide Poloning Review Constants Periodic Table - Part A When species combine...
i need help plz
Cyanide Poloning Review Constants Periodic Table - Part A When species combine to produce a coordination complex, the brum constant for the reaction is called is the formation constant For example, the iron 10 ton. Pe can combine with the cyanide lon, ON to form the complex Fe(CN):) according to the lion Peep) +6CN (2) Fe(CN)x]*- (aq) where K 4.21 x 10" This reactions what makes ceride so low to human beings and other was. The...
need help with 7 and 8. also did I do number nine right? • Write the...
need help with 7 and 8. also did I do number nine right?
• Write the ionization cautions for the dissociation of the diprotic acid, H,C,04. called oxalic acid. The following dissociation consta owing dissociation constants were located on a scrap piece of paper near the bottle of oxalic acid in the chemical room: 6.40 X 10 and 5.91 X 102. Assign cach equation you have written one of these values and explain your reasoning. H₂C₂O4 8. Given the K,...
please I need help with these 2 questions CHEM 112 Second Chapter 16 Worksheet 1. Calculate...
please I need help with these 2 questions
CHEM 112 Second Chapter 16 Worksheet 1. Calculate the molar solubility of AgCl(s) in 3.0 M NH3 and compare it with the molar solubility of AgCl(s) in water (1.3 x 10-5 mol/L). Given: Kg.Aga - 1.6 x 10-10, KfAg(NH3)2+ - 1.7x10' AgCl (s) > Agtags + Cl cas kap=1.6 X10 Ago (at) + 2NH3 (61) - Ag CN Hz ) 169) ķ=1.7x10² Ucl(s) + 2NH2 con A9 (WHz / 2+1 Lars Katspake...
Please answer all questions correctly! i promise a thumbs up if they are right. Thanks 1....
Please answer all questions correctly! i promise a
thumbs up if they are right. Thanks
1. Calculate the [H*] of a solution with a pH of 10.72 a. 5.25x10-4M b. 1.91x10-11M c. 1.07x10-4M d. 5.25x10-11M 2. Arsenic has a Ka of 5.5x10-3 Calculate the pka a. 5.5x10-3 b. 11.74 c. 2.26 d. 1.82x10-12 3. Calculate the pH of a 0.0002M HCl(aq) solution a. 2.00 b. 12.00 c. 3.70 d. 10.3 4. Calculate the [OH-] at equilibrium of the following reaction...
let me know if you need any values Use the References to ac tant values i meded for the question Solid potass...
let
me know if you need any values
Use the References to ac tant values i meded for the question Solid potassium sulfate is slowly added to 50.0 ml. of a 0.0487 M barium nitrate solution. The concentration of sulfate ion required to just initiate precipitation is Si Anne Retry Entire Group 9 more group attempts remaining APPENDIX Solubility Product Constants for Some Inorganic Compounds at 25°C Substance K Substance 1.6 x 10-16 1.9 X 10-33 1.3 x 10-30 7.8...
questions 32,33, and 34. i need help with them asap. and 35 A 500.0-g sample of...
questions 32,33, and 34. i need help with them asap.
and
35
A 500.0-g sample of an element, at 195°C is dropped into an ice-water mixture. 1095 gofioevoelka und an ice-water mixture remains. Calculate the specific locat of the elencia, mod determine which element it is. В. Ва A. Zn C. Po D. Ag 33. What is the final temperature, in °C, when 20.0 g of water at 80°C is mixed with 200 g of water 1292 A. 12°C B....
i need help with this lab please. can i get someone to answer the entire thing....
i need help with this lab please. can i get someone to answer
the entire thing. thank you
Instructor Equilibria of Coordination Compounds OBSERVATIONS AND DATA 1. The formation of complex ions with ammonia The net ionic equation for the reaction of excess Cuso, with NH, is 24 Cu2+ + 4NH3 [cu (NH3)4] The predicted effect on the reaction above of adding excess NH, (based on Le Châtelier's principle) is The reaction will shift to the night and product formation...
i need help asap. i need this in less then an hour and my grade depends...
i need help asap. i need this in less then an hour and my
grade depends on it please help. i would really appreciate the help
thank you so much
8. 300 250 200 150 PE (kJ) 100 50 0 Progress of the reaction Which of the following are the values for the activation energy (E.) and change in enthalpy (AH) for the reverse reaction? A. 300 -50 B. 150 +50 C. 100 -50 D. 100 +50 Use the following...
i need help on question 2a,b,c and 3a,b,c on the post lab. Experiment EQ-309 Post-Lab Questions...
i
need help on question 2a,b,c and 3a,b,c on the post lab.
Experiment EQ-309 Post-Lab Questions Determination Of An Equilibrium Constant (To be answered in the "Analysis" section of your lab report) 1 a) Calculate the molarity of the silver nitrate solution provided. b) Calculate the molarity of the sodium chloride solution provided. 2 a) Use the data from each titration to calculate the value of K for the reaction, Ag(NH)2+ + Cl" - AgCl, + 2 NH, b) Calculate...
please answer this asap i need this to bump up my grade! thank
you so much i really appreciate it.
Solve each of the following trigonometric equations over the given Total: 22 marks domains. SHOW YOUR WORK and make sure that your solutions are clearly indicated, either in exact values in terms of 2 or in degrees (depending on the given domain). When finished, submit your assignment to your instructor. a) sec 0 = - 2, 0<< 360° b) cos...
i need help plz
Cyanide Poloning Review Constants Periodic Table - Part A When species combine to produce a coordination complex, the brum constant for the reaction is called is the formation constant For example, the iron 10 ton. Pe can combine with the cyanide lon, ON to form the complex Fe(CN):) according to the lion Peep) +6CN (2) Fe(CN)x]*- (aq) where K 4.21 x 10" This reactions what makes ceride so low to human beings and other was. The...
need help with 7 and 8. also did I do number nine right?
• Write the ionization cautions for the dissociation of the diprotic acid, H,C,04. called oxalic acid. The following dissociation consta owing dissociation constants were located on a scrap piece of paper near the bottle of oxalic acid in the chemical room: 6.40 X 10 and 5.91 X 102. Assign cach equation you have written one of these values and explain your reasoning. H₂C₂O4 8. Given the K,...
please I need help with these 2 questions
CHEM 112 Second Chapter 16 Worksheet 1. Calculate the molar solubility of AgCl(s) in 3.0 M NH3 and compare it with the molar solubility of AgCl(s) in water (1.3 x 10-5 mol/L). Given: Kg.Aga - 1.6 x 10-10, KfAg(NH3)2+ - 1.7x10' AgCl (s) > Agtags + Cl cas kap=1.6 X10 Ago (at) + 2NH3 (61) - Ag CN Hz ) 169) ķ=1.7x10² Ucl(s) + 2NH2 con A9 (WHz / 2+1 Lars Katspake...
Please answer all questions correctly! i promise a
thumbs up if they are right. Thanks
1. Calculate the [H*] of a solution with a pH of 10.72 a. 5.25x10-4M b. 1.91x10-11M c. 1.07x10-4M d. 5.25x10-11M 2. Arsenic has a Ka of 5.5x10-3 Calculate the pka a. 5.5x10-3 b. 11.74 c. 2.26 d. 1.82x10-12 3. Calculate the pH of a 0.0002M HCl(aq) solution a. 2.00 b. 12.00 c. 3.70 d. 10.3 4. Calculate the [OH-] at equilibrium of the following reaction...
let
me know if you need any values
Use the References to ac tant values i meded for the question Solid potassium sulfate is slowly added to 50.0 ml. of a 0.0487 M barium nitrate solution. The concentration of sulfate ion required to just initiate precipitation is Si Anne Retry Entire Group 9 more group attempts remaining APPENDIX Solubility Product Constants for Some Inorganic Compounds at 25°C Substance K Substance 1.6 x 10-16 1.9 X 10-33 1.3 x 10-30 7.8...
questions 32,33, and 34. i need help with them asap.
and
35
A 500.0-g sample of an element, at 195°C is dropped into an ice-water mixture. 1095 gofioevoelka und an ice-water mixture remains. Calculate the specific locat of the elencia, mod determine which element it is. В. Ва A. Zn C. Po D. Ag 33. What is the final temperature, in °C, when 20.0 g of water at 80°C is mixed with 200 g of water 1292 A. 12°C B....
i need help with this lab please. can i get someone to answer
the entire thing. thank you
Instructor Equilibria of Coordination Compounds OBSERVATIONS AND DATA 1. The formation of complex ions with ammonia The net ionic equation for the reaction of excess Cuso, with NH, is 24 Cu2+ + 4NH3 [cu (NH3)4] The predicted effect on the reaction above of adding excess NH, (based on Le Châtelier's principle) is The reaction will shift to the night and product formation...
i need help asap. i need this in less then an hour and my
grade depends on it please help. i would really appreciate the help
thank you so much
8. 300 250 200 150 PE (kJ) 100 50 0 Progress of the reaction Which of the following are the values for the activation energy (E.) and change in enthalpy (AH) for the reverse reaction? A. 300 -50 B. 150 +50 C. 100 -50 D. 100 +50 Use the following...
i
need help on question 2a,b,c and 3a,b,c on the post lab.
Experiment EQ-309 Post-Lab Questions Determination Of An Equilibrium Constant (To be answered in the "Analysis" section of your lab report) 1 a) Calculate the molarity of the silver nitrate solution provided. b) Calculate the molarity of the sodium chloride solution provided. 2 a) Use the data from each titration to calculate the value of K for the reaction, Ag(NH)2+ + Cl" - AgCl, + 2 NH, b) Calculate...
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