Answered: b) What type of decay is happening in… | bartleby

Related questions

Question

b) What type of decay is happening in the equation below?
State two of the conservation laws that apply and
explain how they are satisfied
238
92
U
234 Th + 4 a
90
2
c) Use the graph below to calculate the half-life of
Protactinium 234, explain how you got your answer.
Half Life of Protactinium 234
50
40
30
20
10
222222°
80
70
60
Activity (Bq)
0
20
20
40
40
60
80
100
120
140
160
Time (seconds)

Expert Solution

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

[Review Topics] [References] Radioactive vanadium-48 decays with a half-life of 16.0 days. a. What is the value of k in s12 k = b. A sample contains 58.0 mg 48 t° V. How many decay events will be produced in the first second? Assume the atomic mass of 48 V is 48.0 u. decays/s c. A chemist obtains a fresh sample of 8V and measures its radioactivity. She then determines that to do an experiment, the radioactivity cannot fall below 25% of the initial measured value. How long does she have to do the experiment? days Submit Answer Retry Entire Group 4 more group attempts remaining
Radon gas has a half-life of 3.83 days. If 2.92 g of radon gas is present at time t = 0, what mass of radon will remain after 2.20 days have passed? g
c) Complete the following decay reaction to show sodium-24 undergoing ß¯ decay. First identify the unknown daughter nucleus (?).. and then name the subatomic particle that completes the reaction. 24Na → (?) + v + (subatomic particle) Enter the mass number A = Enter the atomic number Z = Enter the chemical symbol: Name the subatomic particle: A/ N
An unknown isotope has an atomic number, Z 15 and atomic mass number, A = 32. It decays via beta decay and emits an electron and antineutrino. %3D How many protons and neutrons are in the resulting daughter nuclide? o 16 protons 16 neutrons o 15 protons 17 neutrons o 13 protons 15 neutrons o 14 protons 17 neutrons o 14 protons 18 neutrons
Part A A sample of U (T1= 1.59 × 10° yr) contains 2 233 6.10 x 1018 nuclei. What is the decay constant? Express your answer using three significant figures. ? = s-1 II
The items on the right show an incomplete radioactive decay equation. Match the items at the left to correctly complete these equations. 266 1. 106Sg -> 2. 24°Cm 238U 23 Th + 90 96 3. He 23Pu + He → n + ón + ộn + 94 4. -je 266 106 → öY +
Determine which decays can occur spontaneously. (a) Ca → e* + K (b) Ru → He + Mo 19 44 42* (c) 144Nd → He + 140 Ce 60 58
What type of decay is happening in the equation below? State two of the conservation laws that apply and explain how they are satisfied. 238 234 4 U ---> Th + (alpha) 92 90 2
An unlabeled container of radioactive material has an activity of 78 decays/min. Four days later the activity is 63 decays/min. A. Determine the half-life of the material. T = ? days B. How many days after the activity is 78 decays/min will it reach 10 decays/min? t = ? days
a) What is the decay constant of fluorine-17 if its half-life is known to be 66.0 s? λ = b) How long will it take for the activity of a sample of 17F to decrease to 80% of its initial value? t80% =
What is the activity of a sample of C that contains 5.3x1020 nuclei? The half-life of C is 5700 years. Express your answer using two significant figures. ? ΔΝ decays/s At
238U is long-lived but ultimately unstable; it will eventually spontaneously break into two fragments, a 4He nucleus and a 234Th nucleus, in a process called alpha decay, which we’ll learn about in the next section. A great dealof energy is released in the process. What must be true about the masses of the nuclei involved?A. mU > mTh + mHeB. mU = mTh + mHeC. mU < mTh + mHe

SEE MORE QUESTIONS