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Question 20 1 pts The...
Please show work 6. Determine the pH of a 0.35 M aqueous solution of (methylamine). The...
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6. Determine the pH of a 0.35 M aqueous solution of (methylamine). The kb of methylamine is 4.4 x 10-4 1. 10 2. 3.8 3. 12 4. 1.9 _-7. The solubility of manganese(l) hydroxide (Mn(OH)2) is 2.2 x 10-5 M. What is the Ksp of Mn(OH)27 1. 1.1 x 10-14 2, 4.3×10-14 3. 2.1 x 10-14 4, 4.8×10-10 8. For which salt should the aqueous solubility be most sensitive to pH? 1. CaF2 2. Ca(NO3)2 3. CaCI12...
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Question 18 1 pts The concentration of flouride ions in a saturated solution of barium flouride is _M. The Ksp of BaF is 1.7 e-6. 1.5 e-2 O 7.5 e-3 O 1.4e-4 O 3.0 e-3 3.8 e-4 1 pts Question 19
please show work. i need this for a test Question 21 1 pts The reaction AB...
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Question 21 1 pts The reaction AB is first order in A. Consider the following data: Time (s) [A] (M) 0.0 2.3 10.0 0.58 20.0 0.14 The rate constant for this reaction is s-1 0.013 O 0.030 O 3.1e-3 O 0.14 O 3.0
please show work for 3 & 4 Question 3 1 pts Given that the solubility of...
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Question 3 1 pts Given that the solubility of Ba(OH)2 is 30.2 g L-?at 233°C calculate the Ksp of barium hydroxide. Report your answer to 4 decimal places. Question 4 Calculate the solubility (in grams per liter) of Fe(OH)3, which has a Kse of 7.38 x 10-15 at a given temperature. Report your answer to 3 significant digits, but do NOT include units.
Calculate the solubility product constant, Ksp, for Chromium(III) Hydroxide (Cr(OH)3) which has a solubility of 1.27...
Calculate the solubility product constant, Ksp, for Chromium(III) Hydroxide (Cr(OH)3) which has a solubility of 1.27 x 10-6g/L. 7.0 x 10-23 6.3x10-31 1.87 x 10-24 2.31 x 10-32 3.6 x 10-31 How is the molar solubility (s) of Tin(II) hydroxide related to Ksp? s = (Ksp) 1/2 s-(Ksp/4)1/3 s = (Ksp/108)1/5 s = (Ksp/9)1/3 s = (Ksp/27)1/4 Calculate the concentration of OH ions in a saturated solution of Manganese (1) hydroxide, Mn(OH)2 Ksp for Mn(OH)2 = 4.6 x 10-14 (Report...
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test
A flask is charged with 0.124 mol of A and allowed to react to form B according to the reaction A(g) →B(g). The following data are obtained for [A] as the reaction proceeds: Time (s) 0.00 10.0- 20.0 30.0 40.0 Moles of A 0.124 0.110 0.088 0.073 0.054 The average rate of disappearance of A between 10 s and 20 s is mol/s. ect Answer 2.2...
Please show all work! Will Rate!! Thank you. Question 4 (10 pts): Given that the solubility...
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Question 4 (10 pts): Given that the solubility product constant, Ksp,for BaSO4 is 1.1 x 10-10, calculate the solubility of BaSOs in 0.1 MNa2SO4 solution in both units of mole/L and g/L
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The reaction AB is first order in (A). Consider the following data. Time (s) 0.0 5.0 10.0 15.0 20.0 [A] (M) 0.20 0.14 0.10 0.071 0.050 The concentration of A is Mafter 40.0 s. 1.3 e-2 O 0.17 O 3.5 e-4 0 0.025 1.2
please show all work. i need to know process for test A compound decomposes by a...
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A compound decomposes by a first-order process. If 60% of the compound remains after 60 minutes, the half-life of the compound is minutes. -5 O 44 0 -18 45 81
1. Using Table 38.3 in the Voyce text, calculate the solubility of Manganese(II) hydroxide at 25oC...
1.
Using Table 38.3 in the Voyce text, calculate the solubility of
Manganese(II) hydroxide at 25oC
A.
5.7 x 10-5
B.
3.6 x 10-5
C.
4.4 x 10-7
2.
The pH of a 0.0147M KCN solution is:
A.
10.7
B.
5.52
C.
3.3
D.
8.48
3.
The pH of a buffer solution composed of 0.020M HCHO2
and 0.014M NaCHO2 is:
A.
3.59
B.
3.74
C.
3.90
4.
When 400ml of a 0.01M SnCl2 solution is mixed with a
300ml if...
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6. Determine the pH of a 0.35 M aqueous solution of (methylamine). The kb of methylamine is 4.4 x 10-4 1. 10 2. 3.8 3. 12 4. 1.9 _-7. The solubility of manganese(l) hydroxide (Mn(OH)2) is 2.2 x 10-5 M. What is the Ksp of Mn(OH)27 1. 1.1 x 10-14 2, 4.3×10-14 3. 2.1 x 10-14 4, 4.8×10-10 8. For which salt should the aqueous solubility be most sensitive to pH? 1. CaF2 2. Ca(NO3)2 3. CaCI12...
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Question 18 1 pts The concentration of flouride ions in a saturated solution of barium flouride is _M. The Ksp of BaF is 1.7 e-6. 1.5 e-2 O 7.5 e-3 O 1.4e-4 O 3.0 e-3 3.8 e-4 1 pts Question 19
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Question 21 1 pts The reaction AB is first order in A. Consider the following data: Time (s) [A] (M) 0.0 2.3 10.0 0.58 20.0 0.14 The rate constant for this reaction is s-1 0.013 O 0.030 O 3.1e-3 O 0.14 O 3.0
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Question 3 1 pts Given that the solubility of Ba(OH)2 is 30.2 g L-?at 233°C calculate the Ksp of barium hydroxide. Report your answer to 4 decimal places. Question 4 Calculate the solubility (in grams per liter) of Fe(OH)3, which has a Kse of 7.38 x 10-15 at a given temperature. Report your answer to 3 significant digits, but do NOT include units.
Calculate the solubility product constant, Ksp, for Chromium(III) Hydroxide (Cr(OH)3) which has a solubility of 1.27 x 10-6g/L. 7.0 x 10-23 6.3x10-31 1.87 x 10-24 2.31 x 10-32 3.6 x 10-31 How is the molar solubility (s) of Tin(II) hydroxide related to Ksp? s = (Ksp) 1/2 s-(Ksp/4)1/3 s = (Ksp/108)1/5 s = (Ksp/9)1/3 s = (Ksp/27)1/4 Calculate the concentration of OH ions in a saturated solution of Manganese (1) hydroxide, Mn(OH)2 Ksp for Mn(OH)2 = 4.6 x 10-14 (Report...
please show work. i need to know how to do this for a
test
A flask is charged with 0.124 mol of A and allowed to react to form B according to the reaction A(g) →B(g). The following data are obtained for [A] as the reaction proceeds: Time (s) 0.00 10.0- 20.0 30.0 40.0 Moles of A 0.124 0.110 0.088 0.073 0.054 The average rate of disappearance of A between 10 s and 20 s is mol/s. ect Answer 2.2...
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Question 4 (10 pts): Given that the solubility product constant, Ksp,for BaSO4 is 1.1 x 10-10, calculate the solubility of BaSOs in 0.1 MNa2SO4 solution in both units of mole/L and g/L
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test
The reaction AB is first order in (A). Consider the following data. Time (s) 0.0 5.0 10.0 15.0 20.0 [A] (M) 0.20 0.14 0.10 0.071 0.050 The concentration of A is Mafter 40.0 s. 1.3 e-2 O 0.17 O 3.5 e-4 0 0.025 1.2
please show all work. i need to know process for test
A compound decomposes by a first-order process. If 60% of the compound remains after 60 minutes, the half-life of the compound is minutes. -5 O 44 0 -18 45 81
1.
Using Table 38.3 in the Voyce text, calculate the solubility of
Manganese(II) hydroxide at 25oC
A.
5.7 x 10-5
B.
3.6 x 10-5
C.
4.4 x 10-7
2.
The pH of a 0.0147M KCN solution is:
A.
10.7
B.
5.52
C.
3.3
D.
8.48
3.
The pH of a buffer solution composed of 0.020M HCHO2
and 0.014M NaCHO2 is:
A.
3.59
B.
3.74
C.
3.90
4.
When 400ml of a 0.01M SnCl2 solution is mixed with a
300ml if...
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