I answered the first 2, I just need the explanation for 16, thank you.
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I answered the first 2, I just need the explanation for 16,
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I need help with all three questions please and thank you! *four 4. Consider the reaction:...
I need help with all three questions please and thank
you!
*four
4. Consider the reaction: 2 SOX) + g) = 2 50 (8) A 2.0 L flask was filled with 0.0400 moles o. 00200 moles of O. At equilibrium 0.0296 moles of so, were found what is the equilibrium constant for this reaction? A) 2.556 x 10 + B) 3.664 x 10 C) 6.953 x 102 D) 9.964 x 102 E) 3.116 x 10 5. What is a conjugate...
17. Which of these acids is the strongest? A) H2SO3 B) H2SO3 C) H2TeO3 18. Which...
17. Which of these acids is the strongest? A) H2SO3 B) H2SO3 C) H2TeO3 18. Which one of these net ionic equations represents the reaction of a strong acid with a weak base? A) H(aq) + OH(aq) + H2O(aq) B) H(aq) + CH3NH2(aq) → CH3NH3(aq) C) OH(aq) + HCN(aq) → H2O(aq) + CN-(aq) D) HCN(aq) + CH3NH2(aq) → CH3NH3+ (aq)+ CN (aq) 19. Predict the direction in which the equilibrium will lie for the reaction H2CO3 + HCO,- + HF....
6) Which of the following statements is true? A) If Q = K, it means the reaction is not at equilibrium B) If Q<...
6) Which of the following statements is true? A) If Q = K, it means the reaction is not at equilibrium B) If Q< K, it means the forward reaction will proceed (to the right) to form more reactants. C) If Q< K, it means the reverse reaction will proceed (to the left) to form more reactants. D) If Q> K, it means the forward reaction will proceed (to the right) to form more reactants E) If Q> K, it...
5) Determine the value of Kc for the following reaction if the equilibrium concentrations are as...
5) Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [NO2]eq = 0.85 M and [NO]eq=0.38 M. 2 NO2(g) - N2048) A) 2.2 B) 1.9 C) 0.022 D) 0.22 E) 0.53 6) Which of the following statements is true? A) If Q=K, it means the reaction is not at equilibrium. B) If Q<K, it means the forward reaction will proceed to the right) to form more reactants. C) IFO <K, it means the...
please answer all parts of the question Question 13 (18 points) A 25.00mL aliquot of 0.376...
please answer all parts of the question
Question 13 (18 points) A 25.00mL aliquot of 0.376 M butanoic acid is titrated with 0.436 M sodium hydroxide. a Write an equation for the neutralization reaction that is occurring. (1 point) Calculate the initial pH of the acid solution before the titration begins (3 points) Calculate the volume of base solution that is required to reach the equivalence point (3 points) Calculate the pH at the equivalence point (3 points) Calculate the...
answer all 6) cernents is true? equilibrium co the right 5) Determine the value of Ke...
answer all
6) cernents is true? equilibrium co the right 5) Determine the value of Ke for the following reaction if the equilibrium concentrations are as follows: (NO Joy -0.85 M and [NO_Jeg -0.38 M. 2 NO:(8) - N,Od D) 0.22 E) 0.53 A) 2.2 C) 0.022 B) 19 6) Which of the following statements is true? A) 10-K, it means the reaction is not at equilibrium. B) TOK, it means the forward reaction will proceed to the right to...
Please help with 16 and 17 16. (10 pts) The pKb of NH, is 1.76×10-5. a)...
Please help with 16 and 17
16. (10 pts) The pKb of NH, is 1.76×10-5. a) Determine the pH of a solution of 0.200 M NHs(aq) b) Calculate the pK, for NH.CI. c) Determine the pH of a solution of 0.200 M NH.C(aą). d) Determine the pH of a buffer solution made from 500.0 mL each of 0.200 M NH, and 0.200 M NH4CI 17. (pts) Determine the pH of a buffer made from 65.0 mL of 0.15 M HCHO,...
answer all DIRECTIONS: A COMPLETE THE ANSWER SHEET: Write your name. banner id # and the...
answer all
DIRECTIONS: A COMPLETE THE ANSWER SHEET: Write your name. banner id # and the date in the space the scantron. All answers must be on the seantron and this exam. Read each item carefully select the word phrase or expression that best completes the fest item. Indicate the answer by blackening the appropriate space on your answer sheet You MUST erase completely to receive credit for an erased item. This AND the scantron must be turned in. All...
THERES MORE THAN ONE PICTURE. I NEED ALL ANSWERED THANK YOU QUESTION 2 Calculate the pOH...
THERES MORE THAN ONE PICTURE. I NEED ALL ANSWERED THANK
YOU
QUESTION 2 Calculate the pOH of a solution at 25.0°C that contains 2.95 x 10-12 M hydronium ions. 2.95 O 11.53 12.00 O 7.00 2.47 QUESTION 1 An aqueous solution at 25.0°C contains [H') -0,085 M. What is the pH of the solution? O 13.0 O 0.9850 O 1.07 O 1.20 10-13 O -1.07 QUESTION 2 10-12 M hydronium ions. Calculate the pOH of a solution at 25.0°C that...
the table for problem 5 is attached S. Consider the weak acids in Table 13.2. Which...
the table for problem 5 is attached
S. Consider the weak acids in Table 13.2. Which acid-base pair would be best for a buffer at a pH of: a) 3.5 b) 7.3 c) 10.0 To make a buffer with pH 3.0 from HCHO2 and CHO2: a) what must the [HCHO2]/[CHO2] ratio be? 6. ep b) how many moles of HCHO2 must be added to a liter of 0.139 M NaCHO2 to give this pH? c) how many grams of NaCHO2...
I need help with all three questions please and thank
you!
*four
4. Consider the reaction: 2 SOX) + g) = 2 50 (8) A 2.0 L flask was filled with 0.0400 moles o. 00200 moles of O. At equilibrium 0.0296 moles of so, were found what is the equilibrium constant for this reaction? A) 2.556 x 10 + B) 3.664 x 10 C) 6.953 x 102 D) 9.964 x 102 E) 3.116 x 10 5. What is a conjugate...
17. Which of these acids is the strongest? A) H2SO3 B) H2SO3 C) H2TeO3 18. Which one of these net ionic equations represents the reaction of a strong acid with a weak base? A) H(aq) + OH(aq) + H2O(aq) B) H(aq) + CH3NH2(aq) → CH3NH3(aq) C) OH(aq) + HCN(aq) → H2O(aq) + CN-(aq) D) HCN(aq) + CH3NH2(aq) → CH3NH3+ (aq)+ CN (aq) 19. Predict the direction in which the equilibrium will lie for the reaction H2CO3 + HCO,- + HF....
6) Which of the following statements is true? A) If Q = K, it means the reaction is not at equilibrium B) If Q< K, it means the forward reaction will proceed (to the right) to form more reactants. C) If Q< K, it means the reverse reaction will proceed (to the left) to form more reactants. D) If Q> K, it means the forward reaction will proceed (to the right) to form more reactants E) If Q> K, it...
5) Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [NO2]eq = 0.85 M and [NO]eq=0.38 M. 2 NO2(g) - N2048) A) 2.2 B) 1.9 C) 0.022 D) 0.22 E) 0.53 6) Which of the following statements is true? A) If Q=K, it means the reaction is not at equilibrium. B) If Q<K, it means the forward reaction will proceed to the right) to form more reactants. C) IFO <K, it means the...
please answer all parts of the question
Question 13 (18 points) A 25.00mL aliquot of 0.376 M butanoic acid is titrated with 0.436 M sodium hydroxide. a Write an equation for the neutralization reaction that is occurring. (1 point) Calculate the initial pH of the acid solution before the titration begins (3 points) Calculate the volume of base solution that is required to reach the equivalence point (3 points) Calculate the pH at the equivalence point (3 points) Calculate the...
answer all
6) cernents is true? equilibrium co the right 5) Determine the value of Ke for the following reaction if the equilibrium concentrations are as follows: (NO Joy -0.85 M and [NO_Jeg -0.38 M. 2 NO:(8) - N,Od D) 0.22 E) 0.53 A) 2.2 C) 0.022 B) 19 6) Which of the following statements is true? A) 10-K, it means the reaction is not at equilibrium. B) TOK, it means the forward reaction will proceed to the right to...
Please help with 16 and 17
16. (10 pts) The pKb of NH, is 1.76×10-5. a) Determine the pH of a solution of 0.200 M NHs(aq) b) Calculate the pK, for NH.CI. c) Determine the pH of a solution of 0.200 M NH.C(aą). d) Determine the pH of a buffer solution made from 500.0 mL each of 0.200 M NH, and 0.200 M NH4CI 17. (pts) Determine the pH of a buffer made from 65.0 mL of 0.15 M HCHO,...
answer all
DIRECTIONS: A COMPLETE THE ANSWER SHEET: Write your name. banner id # and the date in the space the scantron. All answers must be on the seantron and this exam. Read each item carefully select the word phrase or expression that best completes the fest item. Indicate the answer by blackening the appropriate space on your answer sheet You MUST erase completely to receive credit for an erased item. This AND the scantron must be turned in. All...
THERES MORE THAN ONE PICTURE. I NEED ALL ANSWERED THANK
YOU
QUESTION 2 Calculate the pOH of a solution at 25.0°C that contains 2.95 x 10-12 M hydronium ions. 2.95 O 11.53 12.00 O 7.00 2.47 QUESTION 1 An aqueous solution at 25.0°C contains [H') -0,085 M. What is the pH of the solution? O 13.0 O 0.9850 O 1.07 O 1.20 10-13 O -1.07 QUESTION 2 10-12 M hydronium ions. Calculate the pOH of a solution at 25.0°C that...
the table for problem 5 is attached
S. Consider the weak acids in Table 13.2. Which acid-base pair would be best for a buffer at a pH of: a) 3.5 b) 7.3 c) 10.0 To make a buffer with pH 3.0 from HCHO2 and CHO2: a) what must the [HCHO2]/[CHO2] ratio be? 6. ep b) how many moles of HCHO2 must be added to a liter of 0.139 M NaCHO2 to give this pH? c) how many grams of NaCHO2...
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