10 A sample of technetium-99 has an activity of 1.5 Ci. How many disintegrations occur in...
10 A sample of technetium-99 has an activity of 1.5 Ci. How many disintegrations occur in the technetium-99 sample in 5.0 sec? 1 Ci = 3.7 x 1010 disintegrations/s
Group of answer choices:
5.6 × 1010
8.1 × 10–12
2.8 × 1011
2.0 × 10-10
1.1 × 1010
Homework Answers
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10 A sample of technetium-99 has an activity of 1.5 Ci. How many
disintegrations occur in...
Question 13 (1 point) If a radioactive sample has an activity of 65 Ci, how many...
Question 13 (1 point) If a radioactive sample has an activity of 65 Ci, how many disintegrations per second are occurring? 65disintegrations per second 2.41 E6 disintegrations per minute 2.41 E6 disintegrations per second 65 disintegrations per minute
5 of 5 A certain substance has a half-life of 5.0 hours. How many nuclei of...
5 of 5 A certain substance has a half-life of 5.0 hours. How many nuclei of the substance are required to give an initial activity of 7.0 Cl? (1 Ci = 3.7 * 1010 Bq) 2.4 x 10 nuclei 8.5 x 10 nuclei 3.2 x 10 nuclei 6.7 x 10 nudel AR EN 246 PM Type here to search ар)
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...
References A solution is 0.0150M in Pb ions. If 0.140 mol of solid Na2 SO4 is...
References A solution is 0.0150M in Pb ions. If 0.140 mol of solid Na2 SO4 is added to 1.00 L of this solution (with negligible volume change), what percentage of the Pbt ions remain in solution? Kp (PbSO,) 1.8 x 10-8 Percentage = Solubility Product Constants for Some Inorganic Compounds at 25°C APPENDIX Substance Substance Aluminum compounds AIAsO AlOH) к, Chromium compeands CrAsO, CrOH) CrPO Cabalt compounds Co(AsOd CoCO, Co(OH) CoS (a) CoS () Co(OH), 1.6 x 10 1 1.9...
let me know if you need any values Review Topics References) Use the References to access important values if...
let me know if you need any values
Review Topics References) Use the References to access important values if needed for this question Consider these compounds A. PbBr2 B. MnCO; C. Ag, D. Caso, Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.. ABC) Without doing any calculations it is possible...
[References) Calculate the molar solubility of Ag, SO4 in pure water. Ksp (Ag, 504) = 1.7...
[References) Calculate the molar solubility of Ag, SO4 in pure water. Ksp (Ag, 504) = 1.7 x 10-5 Molar solubility = 1 mol/L Calculate the molar solubility of Ag, SO4 in 0.022MAgNO3. Molar solubility = mol/L Calculate the molar solubility of Ag, SO4 in 0.022MK2SO4. Molar solubility = mol/L 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 x 10-21 6.7 X 10-11 24 X 10-...
In the laboratory you are given the task of separating Pb and Co2+ solution. 1ons in...
In the laboratory you are given the task of separating Pb and Co2+ solution. 1ons in aqueous For each reagent listed below indicate if it can be used to separate the 1ons. Type "Y" for yes or "N" for no. If the reagent CAN be used to separate the ions, give of the precipitate. If it cannot, type "No" the formula Y or N Reagent Formula of Precipitate if YES NazCO3 1. 2. KI K2SO4 3. Substance Кр Substance Aluminum...
could you please use the ksp values from this list Solid iron(III) hydroxide and solid iron(III)...
could you please use the ksp values from this list
Solid iron(III) hydroxide and solid iron(III) sulfide are in equilibrium with a solution containing 6.37x10-M sodium hydroxide. Calculate the concentration of sulfide ion present in this solution. (sulfide) = MI LU Substance Aluminum compounds Substance 1.6 X 10-16 1.9 X 10-33 1.3 x 10-20 7.8 x 10-21 6.7 X 10-31 2.4 x 10-23 1.6 X 10-9 Chromium compounds CrAsO4 CH(OH), СТРО. Cobalt compounds Co (AsO.) COCO, Co(OH), CoS (a) CoS...
could you please use the ksp values from this list question. Solid magnesium hydroxide and solid...
could you please use the ksp values from this list
question. Solid magnesium hydroxide and solid cobalt(II) hydroxide are in equilibrium with a solution containing 1.18x10-2 M magnesium nitrate. Calculate the concentration of cobalt(II) ion present in this solution. [cobalt(II)] = M LU Substance Aluminum compounds Substance 1.6 X 10-16 1.9 X 10-33 1.3 x 10-20 7.8 x 10-21 6.7 X 10-31 2.4 x 10-23 1.6 X 10-9 Chromium compounds CrAsO4 CH(OH), СТРО. Cobalt compounds Co (AsO.) COCO, Co(OH), CoS...
A solution contains 9.36x10M ammonium sulfide and 7.94x10- Mammonium phosphate. Solid lead acetate is added slowly...
A solution contains 9.36x10M ammonium sulfide and 7.94x10- Mammonium phosphate. Solid lead acetate is added slowly to this mixture. What is the concentration of sulfide ion when phosphate ion begins to precipitate? (sulfide] LU Substance Aluminum compounds Substance 1.6 X 10-16 1.9 X 10-33 1.3 x 10-20 7.8 x 10-21 6.7 X 10-31 2.4 x 10-23 1.6 X 10-9 Chromium compounds CrAsO4 CH(OH), СТРО. Cobalt compounds Co (AsO.) COCO, Co(OH), CoS (a) CoS (B) Co(OH), 1.1 X 10-13 8.1 x...
Question 13 (1 point) If a radioactive sample has an activity of 65 Ci, how many disintegrations per second are occurring? 65disintegrations per second 2.41 E6 disintegrations per minute 2.41 E6 disintegrations per second 65 disintegrations per minute
5 of 5 A certain substance has a half-life of 5.0 hours. How many nuclei of the substance are required to give an initial activity of 7.0 Cl? (1 Ci = 3.7 * 1010 Bq) 2.4 x 10 nuclei 8.5 x 10 nuclei 3.2 x 10 nuclei 6.7 x 10 nudel AR EN 246 PM Type here to search ар)
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...
References A solution is 0.0150M in Pb ions. If 0.140 mol of solid Na2 SO4 is added to 1.00 L of this solution (with negligible volume change), what percentage of the Pbt ions remain in solution? Kp (PbSO,) 1.8 x 10-8 Percentage = Solubility Product Constants for Some Inorganic Compounds at 25°C APPENDIX Substance Substance Aluminum compounds AIAsO AlOH) к, Chromium compeands CrAsO, CrOH) CrPO Cabalt compounds Co(AsOd CoCO, Co(OH) CoS (a) CoS () Co(OH), 1.6 x 10 1 1.9...
let me know if you need any values
Review Topics References) Use the References to access important values if needed for this question Consider these compounds A. PbBr2 B. MnCO; C. Ag, D. Caso, Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.. ABC) Without doing any calculations it is possible...
[References) Calculate the molar solubility of Ag, SO4 in pure water. Ksp (Ag, 504) = 1.7 x 10-5 Molar solubility = 1 mol/L Calculate the molar solubility of Ag, SO4 in 0.022MAgNO3. Molar solubility = mol/L Calculate the molar solubility of Ag, SO4 in 0.022MK2SO4. Molar solubility = mol/L 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 x 10-21 6.7 X 10-11 24 X 10-...
In the laboratory you are given the task of separating Pb and Co2+ solution. 1ons in aqueous For each reagent listed below indicate if it can be used to separate the 1ons. Type "Y" for yes or "N" for no. If the reagent CAN be used to separate the ions, give of the precipitate. If it cannot, type "No" the formula Y or N Reagent Formula of Precipitate if YES NazCO3 1. 2. KI K2SO4 3. Substance Кр Substance Aluminum...
could you please use the ksp values from this list
Solid iron(III) hydroxide and solid iron(III) sulfide are in equilibrium with a solution containing 6.37x10-M sodium hydroxide. Calculate the concentration of sulfide ion present in this solution. (sulfide) = MI LU Substance Aluminum compounds Substance 1.6 X 10-16 1.9 X 10-33 1.3 x 10-20 7.8 x 10-21 6.7 X 10-31 2.4 x 10-23 1.6 X 10-9 Chromium compounds CrAsO4 CH(OH), СТРО. Cobalt compounds Co (AsO.) COCO, Co(OH), CoS (a) CoS...
could you please use the ksp values from this list
question. Solid magnesium hydroxide and solid cobalt(II) hydroxide are in equilibrium with a solution containing 1.18x10-2 M magnesium nitrate. Calculate the concentration of cobalt(II) ion present in this solution. [cobalt(II)] = M LU Substance Aluminum compounds Substance 1.6 X 10-16 1.9 X 10-33 1.3 x 10-20 7.8 x 10-21 6.7 X 10-31 2.4 x 10-23 1.6 X 10-9 Chromium compounds CrAsO4 CH(OH), СТРО. Cobalt compounds Co (AsO.) COCO, Co(OH), CoS...
A solution contains 9.36x10M ammonium sulfide and 7.94x10- Mammonium phosphate. Solid lead acetate is added slowly to this mixture. What is the concentration of sulfide ion when phosphate ion begins to precipitate? (sulfide] LU Substance Aluminum compounds Substance 1.6 X 10-16 1.9 X 10-33 1.3 x 10-20 7.8 x 10-21 6.7 X 10-31 2.4 x 10-23 1.6 X 10-9 Chromium compounds CrAsO4 CH(OH), СТРО. Cobalt compounds Co (AsO.) COCO, Co(OH), CoS (a) CoS (B) Co(OH), 1.1 X 10-13 8.1 x...
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