gabrielperez184108 gabrielperez184108

04-06-2021
Chemistry

contestada

A radioactive sample has an activity of 450 cpm three half lives after the initial activity was determined. What was the original activity?

Respuesta :

agbliyah agbliyah

04-06-2021

Answer:

original activity is 3600 cpm

Explanation:

3 half-lives = 450 cpm

2 half-lives = 900 cpm

1 half-life = 1800 cpm

answer = 3600 cpm

Answer Link

Otras preguntas

Here is another for fun question. MUST SHOW ALL WORKINGS So, What is the biggest 4 digit whole number that meets the three requirements 1. the digits are differ

During the 14th century, the Black Death became a widespread epidemic primarily because of 1) the resurgence of trade 2) Chinese overseas exploration 3) Europea

Which Kelvin temperature is equivalent to –24°C? (1) 226 K (3) 273 K (2) 249 K (4) 297 K

Which quantities must be equal for a chemical reaction at equilibrium? (1) the activation energies of the forward and reverse reactions (2) the rates of the for

_______ discovered that there were other galaxies besides the Milky Way. A. Edwin Hubble B. Sir Isaac Newton C. Galilei Galileo D. Albert Einstein

what is x= if (8x^3-9)^3=5832

Camille bought 10 tickets to the play and 5 parking permits. She spent $145.50 on tickets to the play and $50.75 on parking permits. How much did Camille spend

What is the pH of a solution that has a hydronium ion concentration 100 times greater than a solution with a pH of 4? (1) 5 (3) 3 (2) 2 (4) 6

Why did militarism make it more difficult to avoid the outbreak of war

how many lines of symmetry does a rhombus that is not a square have?