Nuclear chemistry Questions

Physical Chemistry

Nuclear chemistry Solutions

If we started with 65 grams of Gold-198 a. What daughter element will be produced? b. How much of that element will be present after 4 half lives? c. How much time has passed?

Physical Chemistry

Nuclear chemistry Solutions

We ended with 15 grams of Xenon-131 and 3 half lives have passed. a. What element was it originally? (What was its radioactive version) b. How much of this radioactive element did we originally have? (Hint: This was Beta decay)

Physical Chemistry

Nuclear chemistry Solutions

The half-life of Palladium-100 is 4 days. After 16 days a sample of Palladium-100 has been reduced to a mass of 6 mg. What was the initial mass (in mg) of the sample?__________ What is the mass 5 weeks after the start? ________

Physical Chemistry

Nuclear chemistry Solutions

What number completes the missing part of this nuclear equation?: ²⁴₁₁ Na → ²³_F +⁴₂α

Physical Chemistry

Nuclear chemistry Solutions

A rare isotope of a nuclear material is very unstable, decaying at a rate of 14% each second. Find how much isotope remains 11 seconds after 5 grams of the isotope is created.

Physical Chemistry

Nuclear chemistry Solutions

If a rock sample was found to contain 6.93 x 10^-7 mol of argon-40, how much potassium-40 would also have to be present for the rock 1.3 x 10^9 years old? The half-life of K-40 is 1.3 x 10^9 years. ______ mol K-40

Physical Chemistry

Nuclear chemistry Solutions

The table below lists information about the radioactive decay of three nuclides. Fill in the missing information. nuclide decay mode daughter nuclide 88 Y electron capture ___________ 39 150 146 Gd ___________________ Sm 64 62 _________ alpha emission 176 Hf 72

Physical Chemistry

Nuclear chemistry Solutions

The beryllium-10 nuclide radioactively decays by beta emission. Write a balanced nuclear chemical equation that describes this process.

Physical Chemistry

Nuclear chemistry Solutions

The table below lists information about the radioactive decay of three nuclides. Fill in the missing information. nuclide decay mode daughter nuclide 3 H beta emission _________ 1 234 _____ alpha emission Th 90 99 99 Tc _____________ Ru 43 44

Physical Chemistry

Nuclear chemistry Solutions

Suppose an aluminum-27 nuclide transforms into a sodium-24 nuclide by absorbing a neutron and emitting an alpha particle. Complete the nuclear chemical equation below so that it describes this nuclear reaction. 24 4 ____ ---> Na + He 11 2

Physical Chemistry

Nuclear chemistry Solutions

The table below lists information about two common types of nuclear radiation. Fill in the missing information. Note: round masses to the nearest atomic mass unit (u). name matter or energy? mass(u) charge(e) can be stopped by gamma energy 0 0 _____________ matter _______ energy 0 -1 _____________ matter

Physical Chemistry

Nuclear chemistry Solutions

The table below lists information about two common types of nuclear radiation. Fill in the missing information. Note: round masses to the nearest atomic mass unit (u). name matter or energy? mass(u) charge(e) can be stopped by _______ energy 0 0 _____________ matter alpha energy 4 +2 _____________