can you please help me solve these four questions? I'm a little desperate to finish them.
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can you please help me solve these four questions? I'm
a little desperate to finish them....
can you please help me solve these four questions? I'm a little desperate to finish them....
can you please help me solve these four questions? I'm
a little desperate to finish them.
Im 55 Part A A sons made by adding 650g of to water to proche 624 ml of solution Calculate the mass percent of CF in the soon. The density of the solution is 1 12 gimi 10 15 11 10.4 ОО 8575 Item 54 54 of 60 The rate law for the reaction, 2 A(g) - B(g) + C(9), was found to be...
can you please help me solve these four questions? I'm a little desperate to finish them....
can you please help me solve these four questions? I'm
a little desperate to finish them.
Part A Calculate the osmotic pressure (in atm) of a solution formed by dissolving 25.0 mg of aspirin CoH904 (molar mass = 180.2 g/mol) in 0.250 L of water at 25.0°C. [R = 0.08206 L-atm/mol K] o 1.14 x 10-3 atm O 13.6 atm 0 2.45 atm 03.58 atm 0 0.0136 atm Item 17 Given the value of the equilibrium constant for the first...
can you please help me solve these four questions? I'm a little desperate to finish them....
can you please help me solve these four questions? I'm
a little desperate to finish them.
Given the following proposed mechanism. predict the rate law for the onerall reaction. 2A+B-2 C (overall reaction) Mechanism A+B-C+D A+DC slow fast O Rate = K[ AD] Rate = =k[C][D] O Rate = k[c2 w O Rate = k[A]21812 Rate = k[A][B] Part A Which of the following solutions would have the highest pH? Assume that they are all 0.10 Min acid at 25°C....
Can you please try to answer these four questions for me? Which solution would you expect...
Can you please try to answer these four questions for
me?
Which solution would you expect to have the highest boiling point? 0.100 m Naci 0 0.100m CH3OH O 0.100 m MgCl2 O 0.100 m AICI: O pure water A calibration standard has a concentration of 0.250 M. It is found to have an absorbance of 1.256. An unknown solution has an absorbance of 0.875, what is it's molarity? Which solution would you expect to have the lowest boiling point?...
Can you please try to answer these four questions for me? 3 pts Question 22 20.0mL...
Can you please try to answer these four questions for
me?
3 pts Question 22 20.0mL of a 0.100 M solution of HA is mixed with 10.0mL of water. The pH of the solution is 1.25. What is the Ka of the acid? Report your answer to 3 decimal points. 3 p Question 27 Determine the molar solubility of an ionic compound with the general formula X,Y, where X is the cation and Y is the anion, given a Ksp...
Can you help me answer questions b and c.thank you so much for your help the...
Can you help me answer questions b and c.thank you so
much for your help
the prou modynamics, action .ReQt the concept of Qud and base in the tum 504 Lewis theory with reference to the following re Oct on i de alge rompress constant 1.82 (Niagtt H, O HC N1041054941 (2 marks) l 'riment Determin for the il til A buffer Solutions prepared by dissolving 0.040 mo! Of ammonium chloride and 0.10 mol of ammonia in water. The solution...
Please I need help on this. I'm so lost 1. Acetic acid (H)CO2H) has k, =...
Please I need help on this. I'm so lost
1. Acetic acid (H)CO2H) has k, = 1.8 x 10- and acetate (H:C:01") has ks = 5.6 x 10-10. (a) Write balanced chemical equilibrium equations (with physical states) for acid dissociation of acetic acid and base hydrolysis of acetate ion. (b) Write K, and equilibrium constant expressions for the above reactions. (c) Use your expressions from part b to show that Kx. = 1.0 x 10-* = [H,O'][OH). 2. For each...
can you please help me with this Data and Calculations Trial 0:29 Absorbance 0.378 Je 0.086...
can you please help me with this
Data and Calculations Trial 0:29 Absorbance 0.378 Je 0.086 Trial 2 0.47 Trial 3 0.632 Trial 4 0.729 0.686 Absorbance of standard Triw. 329 0.6 6 Temperature ke [Fe(SCN) 2+]/([Fe3+] [SCN-]) Ferrag) + SCN Cag) 2 FescN2t (ag) Absorbance of standard (Trial) Temperature 0.3 Ke expression: [Fe] 0.0010 [SCN) 10.00040 [FeSCN? Jeg [Fe [SCN ] Ke value Average of Ke values Percent error (see pg 7): (Discuss this result as part of your...
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...
can you please help me solve these four questions? I'm
a little desperate to finish them.
Im 55 Part A A sons made by adding 650g of to water to proche 624 ml of solution Calculate the mass percent of CF in the soon. The density of the solution is 1 12 gimi 10 15 11 10.4 ОО 8575 Item 54 54 of 60 The rate law for the reaction, 2 A(g) - B(g) + C(9), was found to be...
can you please help me solve these four questions? I'm
a little desperate to finish them.
Part A Calculate the osmotic pressure (in atm) of a solution formed by dissolving 25.0 mg of aspirin CoH904 (molar mass = 180.2 g/mol) in 0.250 L of water at 25.0°C. [R = 0.08206 L-atm/mol K] o 1.14 x 10-3 atm O 13.6 atm 0 2.45 atm 03.58 atm 0 0.0136 atm Item 17 Given the value of the equilibrium constant for the first...
can you please help me solve these four questions? I'm
a little desperate to finish them.
Given the following proposed mechanism. predict the rate law for the onerall reaction. 2A+B-2 C (overall reaction) Mechanism A+B-C+D A+DC slow fast O Rate = K[ AD] Rate = =k[C][D] O Rate = k[c2 w O Rate = k[A]21812 Rate = k[A][B] Part A Which of the following solutions would have the highest pH? Assume that they are all 0.10 Min acid at 25°C....
Can you please try to answer these four questions for
me?
Which solution would you expect to have the highest boiling point? 0.100 m Naci 0 0.100m CH3OH O 0.100 m MgCl2 O 0.100 m AICI: O pure water A calibration standard has a concentration of 0.250 M. It is found to have an absorbance of 1.256. An unknown solution has an absorbance of 0.875, what is it's molarity? Which solution would you expect to have the lowest boiling point?...
Can you please try to answer these four questions for
me?
3 pts Question 22 20.0mL of a 0.100 M solution of HA is mixed with 10.0mL of water. The pH of the solution is 1.25. What is the Ka of the acid? Report your answer to 3 decimal points. 3 p Question 27 Determine the molar solubility of an ionic compound with the general formula X,Y, where X is the cation and Y is the anion, given a Ksp...
Can you help me answer questions b and c.thank you so
much for your help
the prou modynamics, action .ReQt the concept of Qud and base in the tum 504 Lewis theory with reference to the following re Oct on i de alge rompress constant 1.82 (Niagtt H, O HC N1041054941 (2 marks) l 'riment Determin for the il til A buffer Solutions prepared by dissolving 0.040 mo! Of ammonium chloride and 0.10 mol of ammonia in water. The solution...
Please I need help on this. I'm so lost
1. Acetic acid (H)CO2H) has k, = 1.8 x 10- and acetate (H:C:01") has ks = 5.6 x 10-10. (a) Write balanced chemical equilibrium equations (with physical states) for acid dissociation of acetic acid and base hydrolysis of acetate ion. (b) Write K, and equilibrium constant expressions for the above reactions. (c) Use your expressions from part b to show that Kx. = 1.0 x 10-* = [H,O'][OH). 2. For each...
can you please help me with this
Data and Calculations Trial 0:29 Absorbance 0.378 Je 0.086 Trial 2 0.47 Trial 3 0.632 Trial 4 0.729 0.686 Absorbance of standard Triw. 329 0.6 6 Temperature ke [Fe(SCN) 2+]/([Fe3+] [SCN-]) Ferrag) + SCN Cag) 2 FescN2t (ag) Absorbance of standard (Trial) Temperature 0.3 Ke expression: [Fe] 0.0010 [SCN) 10.00040 [FeSCN? Jeg [Fe [SCN ] Ke value Average of Ke values Percent error (see pg 7): (Discuss this result as part of your...
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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