Explain an alpha emitter with a half-life

Reference no: EM13242907

Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of 432 years . How long will it take in years for 40.0 % of an Am-241 sample to decay

Reference no: EM13242907

Questions Cloud

Compare and contrast the development of sedentary : Compare and contrast the development of sedentary, agricultural civilizations in the Americas with that of those in the Afro-Eurasian landmass. In your essay consider the timeframes of such development on these two sets of continents, the types of an..

Identify and describe six factors that distort performance : (1.) Identify and describe the six factors that distort performance appraisals.

How far does the electron travel before coming to rest : An electron has an initial velocity of 2.00 ? 106 m/s in a uniform 4.00 ? 105 N/C strength electric field, How far does the electron travel before coming to rest

Agricultural civilizations crystallized along these rivers : Explain the ways in which the Indus, the Nile, the Tigris and Euphrates, and the Yangzi and Yellow Rivers shaped the development of ancient Chinese, Indian, Egyptian, and Mesopotamian civilizations.

Explain an alpha emitter with a half-life : Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of 432 years . How long will it take in years for 40.0 % of an Am-241 sample to decay

What r the mean and variance of the distribution : a broadcasting executive is reviewing the prospects for a new television series,according to her judement , the probability is 0.25 that the show will achieve a rating higher than 17.8, and the probability is 0.15

Determine the magnitude of the force on the wire : A 225-m length of wire stretches between two towers and carries a 180-A current. Determine the magnitude of the force on the wire due to the Earth's magnetic field

Define radioactive substance has a half-life : An unknown radioactive substance has a half-life of 3.20 hours. If 38.7g of the substance is currently present, what mass was present 8.00 hours ago

Discuss the ways in which animal and plant cultivation : Discuss the ways in which animal and plant cultivation of the Neolithic Age changed humanity economically, politically, religiously, socially, and technologically.

User Account

All Pages