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![pH = 4.4 pH = -log Cht) 3 4.4 а (н+] = Ч Хtos an a hydrogen ion Conca = [ht] = uxos n a option ® is answer, CScanned with Cam](http://img.homeworklib.com/questions/11b7c8e0-d87b-11eb-8d51-cb2fac72349c.png?x-oss-process=image/resize,w_560)
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Question 1 The pH reading of a glass of beer is 4.4. Find the hydrogen ion...
Jina glass or wine with pH = 3.64? O 6.8 x 10-'M O 23x10-4M 4.4 x...
Jina glass or wine with pH = 3.64? O 6.8 x 10-'M O 23x10-4M 4.4 x 10-11M O 6.4 x 10-?M Question 31 3 pts An acid solution with a concentration of 0.500 M has a pH 3.21. What is the K, of the acid? O 12x 10-5 O 7.6 x 10-7 O 54x 10-2 0 17 x 10 Question 32 3 pts 0 What is the molar solubility of Ap 50in water. The solubility product earch a hr
please help with this 3 part A-C question. thanks! <Chapter 9 Item 11 Determine the pH...
please help with this 3 part A-C question. thanks!
<Chapter 9 Item 11 Determine the pH for the following solutions. Part A [H, 0+) = 3.0x10-8 M Express your answer using two decimal places. V AEP R O ? pH = Submit Request Answer • Previous <Chapter 9 Item 11 Determine the pH for the following solutions. Part B [H3O+] = 7.3x10-2 M Express your answer using two decimal places. V AE - O ? pH = Submit Request Answer...
help!! Question 40 1 pts Use Descartes' rule of signs to find the number of possible...
help!!
Question 40 1 pts Use Descartes' rule of signs to find the number of possible positive, negative, and nonreal roots for the following equation 8x + 11x2 + 3x + 5 = 0 O none of these O positive: 0 or 2 negative: 7 or 9 nonreal O O positive; O negative: 9 nonreal O O positive: 1 negative; 8 nonreal 2 positive; 1 or 3 negative; 6 or nonreal Question 41 1 pts Time R Attempt 1 Hour...
Not enough Question 48 Calculate the hydrogen concentration of a solution with pH =2.4 (1 point)*...
Not enough Question 48 Calculate the hydrogen concentration of a solution with pH =2.4 (1 point)* 0 -0.000324 0 -0.54 O 0.000324 Not enough information Question 49 Calculate the hydrogen concentration of a solution with pH =9 (1 point) * -9.54 ОО -Not enough information Te-9 9.54 Question 50 . 29 Question 32 What is the pH of a 0.0045 M HBr solution? (1 point) * O 11.65 0 13.2 O 2.35 7.05 Question 33 What is the pOH of...
Question 34 Solve the system of equations by graphing, and then give the value of x....
Question 34 Solve the system of equations by graphing, and then give the value of x. 4x - 5y = -15 8x +9y = 103 O-2 O-5 O 12 O 7 None of the above O 5 Question 36 True or False? log (9') = 81 O No solution O true false O None of the above O-1 Question 37 Tell how many roots the following equation has. *4 = 5 07 O none of these 04 O3 O 5...
9. Question Details ZIDIFEQ9 4.3.009.(38 Find the general solution of the given second-order differential equation. y"+...
9. Question Details ZIDIFEQ9 4.3.009.(38 Find the general solution of the given second-order differential equation. y"+ 36y o y(x) 10. Question Details zomEQ9 4.3.015. Find the general solution of the given higher-order differential equation. yx) - 11.Question Details ZIDTEQ9 4.3.029 Solve the given initial-value problem. y" + 36y-o, y(0)-7, yto)--5 ytx)- 12. Question Details ZIMDifTEQ9 4.4 Solve the given differential equation by undetermined coefficients. y"-6y' + 9y # 6x + 5 y(x)- 13. Question Details ZillDiffE Solve the given differential...
LSCHXbpicoEd-USINKAS Question 35 What is the pOH of a 1.8 x10^-2 M Ba(OH)2 solution? (1 point)*...
LSCHXbpicoEd-USINKAS Question 35 What is the pOH of a 1.8 x10^-2 M Ba(OH)2 solution? (1 point)* O 1.44 O 2.85 O 6.37 9.56 Question 36 Calculate the H3O+ ion concentration of a solution with a pH of 8.34. (1 point) 2.88 x 10^-9 M 3.85 x 10^-5 M 4.57 x 104.9 M O 6.83 x 10^-5 M
y = 3x0+ QUESTION 2 Solve the given differential equation. (The form of yp is given...
y = 3x0+ QUESTION 2 Solve the given differential equation. (The form of yp is given D2y + 25y = -5 sin 5x (Let y p = Ax sin 5x + Bx cos 5x.) sin 5x + c2 cos 5x + x sin 5x - 1 x cos 5x Oo oo cos 5x + = x cos 5x y = C1 sin 5x + C2 cos 5x + 5x sin 5x y = C1 sin 5x + C2 cos 5x...
MATH 1316-Summer 2020 Test: Test 2 This Question: 1 pt I Solve the equation on the...
MATH 1316-Summer 2020 Test: Test 2 This Question: 1 pt I Solve the equation on the interval o so<21. 7 sec 0 +9 = -5 What are the solutions in the interval o so<21? Select the correct O A. The solution set is { (Type an exact answer, using a as needed. Type your answ separate answers as needed.) B. There is no solution. ss ess Librar Click to select and enter your answer(s). stions
1&2 please! Question 1 Based on the ion-product constant (Kw), calculate the concentration of H+ ions...
1&2 please!
Question 1 Based on the ion-product constant (Kw), calculate the concentration of H+ ions if the concentration of OH-ions is 3.5 x 10^(-4) M. (1 point)* O 2.86 x 10^(-11) M O 3.5 x 10^(-4) M O 3.5 x 10^(10) M O None of the above Question 2 Based on the ion-product constant, calculate the concentration of OH-ions if the concentration of H+ ions in a given solution is 2.67 x 10^(-5) M. (1 point) 0 2.67 x...
Jina glass or wine with pH = 3.64? O 6.8 x 10-'M O 23x10-4M 4.4 x 10-11M O 6.4 x 10-?M Question 31 3 pts An acid solution with a concentration of 0.500 M has a pH 3.21. What is the K, of the acid? O 12x 10-5 O 7.6 x 10-7 O 54x 10-2 0 17 x 10 Question 32 3 pts 0 What is the molar solubility of Ap 50in water. The solubility product earch a hr
please help with this 3 part A-C question. thanks!
<Chapter 9 Item 11 Determine the pH for the following solutions. Part A [H, 0+) = 3.0x10-8 M Express your answer using two decimal places. V AEP R O ? pH = Submit Request Answer • Previous <Chapter 9 Item 11 Determine the pH for the following solutions. Part B [H3O+] = 7.3x10-2 M Express your answer using two decimal places. V AE - O ? pH = Submit Request Answer...
help!!
Question 40 1 pts Use Descartes' rule of signs to find the number of possible positive, negative, and nonreal roots for the following equation 8x + 11x2 + 3x + 5 = 0 O none of these O positive: 0 or 2 negative: 7 or 9 nonreal O O positive; O negative: 9 nonreal O O positive: 1 negative; 8 nonreal 2 positive; 1 or 3 negative; 6 or nonreal Question 41 1 pts Time R Attempt 1 Hour...
Not enough Question 48 Calculate the hydrogen concentration of a solution with pH =2.4 (1 point)* 0 -0.000324 0 -0.54 O 0.000324 Not enough information Question 49 Calculate the hydrogen concentration of a solution with pH =9 (1 point) * -9.54 ОО -Not enough information Te-9 9.54 Question 50 . 29 Question 32 What is the pH of a 0.0045 M HBr solution? (1 point) * O 11.65 0 13.2 O 2.35 7.05 Question 33 What is the pOH of...
Question 34 Solve the system of equations by graphing, and then give the value of x. 4x - 5y = -15 8x +9y = 103 O-2 O-5 O 12 O 7 None of the above O 5 Question 36 True or False? log (9') = 81 O No solution O true false O None of the above O-1 Question 37 Tell how many roots the following equation has. *4 = 5 07 O none of these 04 O3 O 5...
9. Question Details ZIDIFEQ9 4.3.009.(38 Find the general solution of the given second-order differential equation. y"+ 36y o y(x) 10. Question Details zomEQ9 4.3.015. Find the general solution of the given higher-order differential equation. yx) - 11.Question Details ZIDTEQ9 4.3.029 Solve the given initial-value problem. y" + 36y-o, y(0)-7, yto)--5 ytx)- 12. Question Details ZIMDifTEQ9 4.4 Solve the given differential equation by undetermined coefficients. y"-6y' + 9y # 6x + 5 y(x)- 13. Question Details ZillDiffE Solve the given differential...
LSCHXbpicoEd-USINKAS Question 35 What is the pOH of a 1.8 x10^-2 M Ba(OH)2 solution? (1 point)* O 1.44 O 2.85 O 6.37 9.56 Question 36 Calculate the H3O+ ion concentration of a solution with a pH of 8.34. (1 point) 2.88 x 10^-9 M 3.85 x 10^-5 M 4.57 x 104.9 M O 6.83 x 10^-5 M
y = 3x0+ QUESTION 2 Solve the given differential equation. (The form of yp is given D2y + 25y = -5 sin 5x (Let y p = Ax sin 5x + Bx cos 5x.) sin 5x + c2 cos 5x + x sin 5x - 1 x cos 5x Oo oo cos 5x + = x cos 5x y = C1 sin 5x + C2 cos 5x + 5x sin 5x y = C1 sin 5x + C2 cos 5x...
MATH 1316-Summer 2020 Test: Test 2 This Question: 1 pt I Solve the equation on the interval o so<21. 7 sec 0 +9 = -5 What are the solutions in the interval o so<21? Select the correct O A. The solution set is { (Type an exact answer, using a as needed. Type your answ separate answers as needed.) B. There is no solution. ss ess Librar Click to select and enter your answer(s). stions
1&2 please!
Question 1 Based on the ion-product constant (Kw), calculate the concentration of H+ ions if the concentration of OH-ions is 3.5 x 10^(-4) M. (1 point)* O 2.86 x 10^(-11) M O 3.5 x 10^(-4) M O 3.5 x 10^(10) M O None of the above Question 2 Based on the ion-product constant, calculate the concentration of OH-ions if the concentration of H+ ions in a given solution is 2.67 x 10^(-5) M. (1 point) 0 2.67 x...
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