haidenfirkins8943 haidenfirkins8943
  • 19-07-2022
  • Chemistry
contestada

If initially there are 8.0 kg of cesium-137 present in a sample, how many kg will remain after 60.0 years

Respuesta :

jsimpson11000 jsimpson11000
  • 29-07-2022

Answer:

2 kg

Explanation:

the half life of cesium is approx 30 years

  60 years is 2 half lives

       8 kg * 1/2 * 1/2 = 2 kg  

Answer Link

Otras preguntas

The perimeter of a rectangle is 54 cm. Find its length and width if the length is represented by 3x + 2 and the width is represented by 2x – 5. HELP FAST!!
What is the probability that a randomly selected day in the summer will be rainy if it’s cloudy?
A train leaves at 07.34 and arrives at its destination at 08.16. If the train traveled 94 km, what was its average speed in km/h? Give your answer rounded to 1
Discuss four actions and behaviour in life that your vision may impact positively to your success in overcoming gender based violence. ​
what is the domain of the function represented by the graph
Lea wants to revise the final sentence by adding a transition at the beginning. Which are the best choices? Check all that apply.
Find the area of the kite with diagonals a= 12 and b=9 A) 30 B) 72 C) 54 D) 108
Select the interval where g is negative. PLSSS HELLPPP!!!
find the vertex and the x-inter of the function given below. y = x^2 + 2x + 6
2) There are 12 sweets in a bag. 4 are lemon flavour. 4 are caramel flavour. 4 are orange flavour. Jude takes at random 3 sweets at the same time. Work out the