eyesoffreedomowi3pl eyesoffreedomowi3pl

12-03-2019
Chemistry

contestada

Thehalf life of carbon is 5730 years. how many years would it take a 200 gram sample to Decay to only 25 G?

Thehalf life of carbon is 5730 years how many years would it take a 200 gram sample to Decay to only 25 G class=

Respuesta :

ChemBen ChemBen

23-03-2019

When a half-life passes, only half of the mass of the sample stays. So to get to 25 g from 200, let's see how much half-lives will pass.

200÷2=100

100÷2=50

50÷2=25

The answer to that is 3 half-lives, or

3 × 5730 = 17190 years

Answer Link

Otras preguntas

Read and choose the option that best answers the question. ¡Hola! Soy Verónica. Tengo 18 años y estudio en una escuela secundaria técnica en Cali. Termino de es

You have recently joined a firm which has more than 500 employees working at the moment. Since you are new to the environment, your manager is currently trying

24. Find 2% of GH¢ 2,000.00cu

help asap giving branlist!!!

In one or two sentences of at least twenty words, explain why old man Warner’s statement is an example of irony

Please help with this

I need help please i need this

A certain brand of candy is sold by weight, with a 3 oz bag costing $0.75. if a bag of this candy costs $2.00, what does it weight

If y = x2 + 2x , find the value of y when x = 5

Go through your bank statement (or income and expense records) for the past three months and identify five anticipated income/expense items and five unanticipat