Questions LLC
Login
or
Sign Up
Ask a New Question
Chemistry
Radioactive Decay
Half-life calculations
How long will it take for Potassium to have a 25% of oringinal radioactive product left?
1 answer
Which isotope? What is the half life?
In two halflifes, 25percent will remain.
You can
ask a new question
or
answer this question
.
Related Questions
What colors would you expect to see in a flame for the following compounds: potassium chloride, potassium nitrate, and potassium
Scientists used radioactive hydrogen to make water. They grew plants using the radioactive water. What happened to the
A solution contains, in each 5 mL, 0.5 g of potassium acetate (C2H3KO2, MW = 98), 0.5 g of potassium bicarbonate (KHCO3, Z =
The work function energy of potassium is 2.2 eV.
The surface of potassium is illuminated with electromagnetic radiation of a
An unknown radioactive element decays into non-radioactive substances. In 420 days the radioactivity of a sample decreases by 39
Potassium-42 has a half life of 12.4 hours. How much of an 848 g sample of potassium-42 will be left after 62.0 hours?
Please
Which of the following statements about radioactive dating is true?
a. Radioactive decay is the rate at which new atoms form. b.
The potassium salt of benzoic acid, potassium benzoate, KC7H5O2, can be made by the action of potassium permanganate on toluene,
78 g of potassium (K) react with 71 g of chlorine (Cl) to produce potassium chloride. According to the Law of Conservation of
When potassium salt (KCl) forms, which action occurs between the reacting elements?(1 point)
Responses Chlorine donates an