The rate constant for the decay of a radioactive element is 4.18 × 10⁻³ day⁻¹. What is the half-life of this element in days

Q: Phosphorus-32 has a half-life of 14.3 days. What is the first-order rate constant for the decay of…

A: Chemical kinetics is the branch of chemistry that mainly deals with the rate of reaction and change…

Q: Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly.…

A: Given :

Q: Radioactive substances decay by first-order kinetics. How many days would be required for a sample…

A:

Q: What is the half-life for the first-order decay of carbon-14? (146C⟶147N+e−)(614C⟶714N+e−) The rate…

A: Rate constant for the decay (k) = 1.21×10-4 year-1

Q: 90 Strontium-90, a radioactive isotope, is a major prod- ct of an atomic bomb explosion. It has a…

A: Given Half life = 28.1yr.

Q: Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly.…

A: Half-life of X = 15 minHalf-life of Y = 1.00 h = 60 minThe partial pressure of X is 2 times greater…

Q: Be sure to answer all parts. Archaeologists can determine the age of artifacts made of wood or bone…

A: The rate constant (k) of the given first-order process is calculated using equation (1) in which…

Q: Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly.…

A: Given:Half-life of X = 105 minHalf-life of Y = 1.25 hrThe partial pressure of X is 5 times greater…

Q: 3. One of the radioactive nuclides formed in nuclear power plants is hydrogen-3, called tritium,…

A:

Q: Radioactive gold-198 is used in the diagnosis of liver problems. The half-life of the isotope is 2.7…

A:

Q: Radioactive gold-198 is used in the diagnosis of liver problems. The half-life of this isotope is…

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Q: In a patient, the fraction of radioactive iodine 131I (Iodine) remaining after 32 days was found to…

A: We can solve Given problem by using radio active decay rate law  N=No e-λ × t N =remaining emaining…

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.