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what is the answer of 12 and
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estimated as equivalent to that released by 20.000...
A solution contains 1 billion P atoms (T1/2 of P is 14.3 yrs and it Bdecays...
A solution contains 1 billion P atoms (T1/2 of P is 14.3 yrs and it Bdecays with a maximum energy of 1.71 MeV to S) (a) What is the activity in bequerels? (b) How many atoms of phosphorus and of sulfur are there after 1 week? (c) How long will it take for only 100 32P atoms to remain? (d) When will there be no 3P atoms left?
11. Radiometric dating a. If 226Ra has a half-life of 1600 years, what is its decay...
11. Radiometric dating a. If 226Ra has a half-life of 1600 years, what is its decay constant in units of s1? Knowing that radium occurs naturally at about 1.2 pCi/L, how many radioactive nuclei would be present in a 12.5 kL swimming pool? b. c. What then would be its initial activity in Bq? If the 12.5 kL of water was from an ancient ceremonial pool in Egypt for the private use of King Tut, after 3500 years what would...
What is the daughter nucleus (nuclide) produced when "Mo undergoes beta decay by emitting an electron?...
What is the daughter nucleus (nuclide) produced when "Mo undergoes beta decay by emitting an electron? Replace each question mark with the appropriate integer or symbol. daughter nucleus (nuclide): What is the daughter nucleus produced when Kr undergoes positron emission? Replace each question mark with the appropriate integer or symbol. daughter nucleus: ? Pb undergoes electron capture? Replace each question mark with the What is the daughter nucleus produced when appropriate integer or symbol. daughter nucleus: Iridium-192 is one radioisotope...
33. 20.0 mL of 0.200 M H,SO, is titrated with 0.100 M NaOH. What volume of...
33. 20.0 mL of 0.200 M H,SO, is titrated with 0.100 M NaOH. What volume of 0.100 M NaOH is required to neutralize the acid? Na SO, (aq) + H,SO, (aq) + 2NaOH(aq) 2 H 0(1) A. 10.0 mL B. 20.0 mL C. 40.0 mL D. 80.0 mL How many nitrogen atoms are there in 4.0 moles of trinitrotoluene (TNT), C,H,(NO2),? A. 12 B. 2.0 C. 1.8 x 1014 D. 7.2 x 1024 E. 6.022 x 1023 31. A sample...
In balancing the nuclear reaction 238U =234X + alpha particle, the identity of element X is
QUESTION 18In balancing the nuclear reaction 238U =234X + alpha particle, the identity of element X is ___________.cannot determine from the information providedthaliumthoriumuraniumplutoniumQUESTION 19The decay of a radionuclide with a half-life of 4.3×105 years has a rate constant (in 1/years) equal to __________.6.2×1052.3×10-65.9×10-81.6×10-62.8×103QUESTION 20Radium was used to make glow-in-the-dark watches before it dawned on people that it may not be a good idea to put a strong radiation source on the public’s wrists. Suppose that your father (or grandfather) bought...
(1). Beta decay of ^60 Co produces a beta particle and--------------(a) , ^60 Fe, (b), ^59...
(1). Beta decay of ^60 Co produces a beta particle and--------------(a) , ^60 Fe, (b), ^59 Co. (c) ^56 Mn. (d) ,^60Ni. (2) identify the part of the body that can be studied with radiotracers.(a) tumors. (b) brain (c) speleen (d) heart, (e) all of the above.(3) ,Determine the identity of the daughter nuclide from the alpha decay of X.(a)X Ac ,(b) X PO, (c) X Rn .(d) X Th, (e) X Fr.(4) Which of the following statements is True?...
please complete the questions has not answering with clarification of the answer to any page Name...
please complete the questions has not answering with
clarification of the answer to any page
Name Lab Section _Date The Mole Concept and Atomic Weights The purpose of this activity is to better understand the concepts of relative atomic mass, counting by weighing and the mole. Percent composition and average atomic mass are included. Part I. Relative Atomic Masses and the Mole - Early Method When John Dalton proposed his atomic theory, he stated that the atoms of each element...
A webassign.net Sect. 4.6 - Math 176, section 6817, 7996, Spring 2020 Webassign Webassign.net 1. [-13...
A webassign.net Sect. 4.6 - Math 176, section 6817, 7996, Spring 2020 Webassign Webassign.net 1. [-13 Points] DETAILS SPRECALC7 4.... | Chegg.com 3. [-14 Points) DETAILS SPRECALC7 4.6.017. 0/15 Submissions Used MY NOTES ASK YOUR TEACHER This exercise uses the radioactive decay model. The half-life of radium-226 is 1600 years. Suppose we have a 22-mg sample. (a) Find a function m(t) = moz-t/h that models the mass remaining after t years. m(t) = (b) Find a function m(t) = moe-rt...
Question #19 please. Topic is Exponential and Logarithmic Functions/Exponential Growth and Decay. The answers supposed to...
Question #19 please. Topic is Exponential and Logarithmic
Functions/Exponential Growth and Decay. The answers supposed to be
760 millimeters is the atmospheric pressure at sea level; 19i.
740.086 mm; 19ii. 535.753 mm; 19iii. 469.682 mm. Please show steps
for these answers. I would like to see and understand it
thoroughly. Thank you so much!
Prelalu times per year: Use the compound interest formula to determine ind interest formula to determine A, the amount you Stment of P dollars, a given...
21. What Kelvin temperature reading equals 61.2°F? A. -256.8 K B. 325.6 K C.-220.4 K D....
21. What Kelvin temperature reading equals 61.2°F? A. -256.8 K B. 325.6 K C.-220.4 K D. 324.8 K E 289 2 K 22. Assign idation numbers, then determine which of the following is true 81 +5H,, 41, +450; +41,0 A. lodide ion is ridined B. lodide lon is the acidizing agent C. Sulfate lon is oxidized D. Hydrosulfuric acid (H,S) is reduced E. Sulfuric acid (H,SO) is the reducing 25. Fr, 0, (molar mas 159.7 g/mol) reacts with CO (molar...
A solution contains 1 billion P atoms (T1/2 of P is 14.3 yrs and it Bdecays with a maximum energy of 1.71 MeV to S) (a) What is the activity in bequerels? (b) How many atoms of phosphorus and of sulfur are there after 1 week? (c) How long will it take for only 100 32P atoms to remain? (d) When will there be no 3P atoms left?
11. Radiometric dating a. If 226Ra has a half-life of 1600 years, what is its decay constant in units of s1? Knowing that radium occurs naturally at about 1.2 pCi/L, how many radioactive nuclei would be present in a 12.5 kL swimming pool? b. c. What then would be its initial activity in Bq? If the 12.5 kL of water was from an ancient ceremonial pool in Egypt for the private use of King Tut, after 3500 years what would...
What is the daughter nucleus (nuclide) produced when "Mo undergoes beta decay by emitting an electron? Replace each question mark with the appropriate integer or symbol. daughter nucleus (nuclide): What is the daughter nucleus produced when Kr undergoes positron emission? Replace each question mark with the appropriate integer or symbol. daughter nucleus: ? Pb undergoes electron capture? Replace each question mark with the What is the daughter nucleus produced when appropriate integer or symbol. daughter nucleus: Iridium-192 is one radioisotope...
33. 20.0 mL of 0.200 M H,SO, is titrated with 0.100 M NaOH. What volume of 0.100 M NaOH is required to neutralize the acid? Na SO, (aq) + H,SO, (aq) + 2NaOH(aq) 2 H 0(1) A. 10.0 mL B. 20.0 mL C. 40.0 mL D. 80.0 mL How many nitrogen atoms are there in 4.0 moles of trinitrotoluene (TNT), C,H,(NO2),? A. 12 B. 2.0 C. 1.8 x 1014 D. 7.2 x 1024 E. 6.022 x 1023 31. A sample...
please complete the questions has not answering with
clarification of the answer to any page
Name Lab Section _Date The Mole Concept and Atomic Weights The purpose of this activity is to better understand the concepts of relative atomic mass, counting by weighing and the mole. Percent composition and average atomic mass are included. Part I. Relative Atomic Masses and the Mole - Early Method When John Dalton proposed his atomic theory, he stated that the atoms of each element...
A webassign.net Sect. 4.6 - Math 176, section 6817, 7996, Spring 2020 Webassign Webassign.net 1. [-13 Points] DETAILS SPRECALC7 4.... | Chegg.com 3. [-14 Points) DETAILS SPRECALC7 4.6.017. 0/15 Submissions Used MY NOTES ASK YOUR TEACHER This exercise uses the radioactive decay model. The half-life of radium-226 is 1600 years. Suppose we have a 22-mg sample. (a) Find a function m(t) = moz-t/h that models the mass remaining after t years. m(t) = (b) Find a function m(t) = moe-rt...
Question #19 please. Topic is Exponential and Logarithmic
Functions/Exponential Growth and Decay. The answers supposed to be
760 millimeters is the atmospheric pressure at sea level; 19i.
740.086 mm; 19ii. 535.753 mm; 19iii. 469.682 mm. Please show steps
for these answers. I would like to see and understand it
thoroughly. Thank you so much!
Prelalu times per year: Use the compound interest formula to determine ind interest formula to determine A, the amount you Stment of P dollars, a given...
21. What Kelvin temperature reading equals 61.2°F? A. -256.8 K B. 325.6 K C.-220.4 K D. 324.8 K E 289 2 K 22. Assign idation numbers, then determine which of the following is true 81 +5H,, 41, +450; +41,0 A. lodide ion is ridined B. lodide lon is the acidizing agent C. Sulfate lon is oxidized D. Hydrosulfuric acid (H,S) is reduced E. Sulfuric acid (H,SO) is the reducing 25. Fr, 0, (molar mas 159.7 g/mol) reacts with CO (molar...
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