
please help with question 25 a and b. showing all work 25. a. (3pts) A radioactive...
please help with question 25 a and b. showing all work
25. a. (3pts) A radioactive sample of substance X has initial mass = 3.25mg. It decays by a first- order reaction. If its half-life = 5.6 days, calculate its mass after 11.2 days. Given k = 0.0490. k= b. (4pts) Compound Z decomposes by a second-order reaction. We are told the initial concentration is 0.660M. If the value of k = 7.12 x 10 sec"!, what will the concentration...
please help with b-d!
*10-19-1 A radioactive sample's half-life is 30.2 years 1 year - 365 days, 1 day - 24 hours, 1 hour 60 minutes, 1 minute - 60 seconds (a) Find its decay constant in year 1. Keep 4 decimal places. 0.6229 Correct (100,0%) Submit Find its decay constant in sl. Write the result in terms of 10 10,9 Keep 4 decimal places. 7.2764 Correct (100.0 Submit Case 1: The Initial sample is 3.30 kg. (b) What is...
Answers for questions 13-23 please.
The following question is about the fundamental forces 13. List the four force interactions in the universe (in order from strongest to weakest) together with their associated particles The decay curve of a radioactive nuclide sample is shown. Its initial activity is measured to be X 6q 14. What is the population at t8.0 hours?14. 15. After how many half lives will the 0 population be 125 nuclides? 15. 16. What will be the level...
The
following question is about the fundamental forces.
13. List the four force interactions in the universe (in order
from strongest to weakest)
The decay curve of a radioactive nuclide sample is shown. It’s
initial activity Is measured to be X Bq.
14. What is the population at t=8.0 hours?
15. After how many half lives will the population be 125
nuclides
16. What will be the level of activity (in terms of X) after
two half lives have elapsed?...
please do these questions all of them first. thank you
so much.
DOCX - 151 KB your final answer!) Show work: 1. (3pts.) Complete and balance the nuclear equation n+ U Br +31+ 2. The equilibrium constant for the dissociation of Ag.CO,($) + 2 Ag+CO, 'Is K.-8.1 * 10" at 25°C. *) Calculate AG for the reaction when Ag 1 = 10 X 10M and CO, ' -1010 M (4pts) Ans: b) (pt) is the reaction spontaneous or nonspontaneous at...
please help with parts in case 1 and case 2! thanks you!
Correct (100,0%) submit Find its decay constant in write the result in terms of 10 Keep 4 decimal places. 1.2327 Correct (100.046) Submit x10-7-1 Case 1: The mass of the initial radioactive sample is 6.20 kg. Some time after the initial sample was prepared, it was found that 0.447 kg radioactive materials has decayed. (h) What is the mass in kg) of the radioactive material that remains in...
please help with question 22 and 23. showing all work
22. (Apts) A given reaction has rate constant k =3.45 x 102M'sat T-283K. IFE 145kJ/mol, calculate the value of kyat T-303K. 23. (6pts) Given the following reactions: HOOH + HOI+OH HOI + → Iz + OH 20H+ + 2H30* → 4H:0 a. Are there any intermediates? If so, it is/they are: b. Is there a catalyst? If so, it is: c. Write the equation for the overall reaction. 24. (10pts)...
please show all formulas/work 5. The decay constant of a radioactive source is 0.300/minute. - How much time must elapse before the activity is reduced to… (a) 85%? (b) 25%? (c) 5%? B) The half-life of a radioactive source is 14.0 minutes. - How much time must elapse before the activity is reduced by… (a) 70%? (b) 45%? (c) 20%? C) Radon-222 has a physical half-life of 30.0 days. A 10.24 microgram piece of this source is placed in storage....
Please do part A... doing all would be appreciated
7. (14 POINTS) CH. 41: RADIOACTIVE DECAY OF Ra: The 228 Ra nucleus undergoes alpha decay according to the reaction: 236 Ra +372 Rn + He . Take the masses to be 226.025 406 u for 226 Ra, 222.017 574 u for 222 Rn 4.002 603 u for He (a) (7 points) The half-life of the radioactive nucleus Ra is 1.6x103 years. What is the decay constant k of Ra ?...
question. Correct answers for each question will be made available once the maximum number of attempts have been made for each submission. Nuclear Physics - Binding Energy 1 Nuclear Physics - Binding Energy Fod work The above figure shows a nuclear reaction in which an alpha particle separates into individual nucleons. An a particle is a He nucleus (2 protons, 4 nucleons). The relevant rest masses are: He = 4.002602 u, neutron = 1.008665 u, proton = 1.007825 u. (a)...