nico1903 nico1903

23-10-2019
Chemistry

contestada

1) Os-182 has a half-life of 21.5 hours. How many grams of a 10 g sample would have decayed after
exactly three half-lives?

Respuesta :

joshualucasfern joshualucasfern

23-10-2019

Answer:

1.25 g

Explanation:

.5^3 = 0.125

0.125*10 = 1.25 g

Answer Link

Otras preguntas

All of the following are sources of air pollution, EXCEPT A) chlorofluorocarbons (CFCs). B) heavy metals such as mercury. C) nitrogen oxides from automotive e

Immunity depends upon the production of disease-specific antibodies to destroy harmful bacteria. True or False

1+4=5 2+5=12 3+6=21 8+11=

I need answers for bi And bii

What is the tense of the underlined verb in the sentence? My friends will meet me at the practice field later this afternoon. a. past b. present c. future pe

A blue whale makes a call at 20 hz in the Pacific Ocean what is the wavelength of this sound

Makeshift cities during the Great Depression were called _____. shanty towns depressing dwellings Hoovervilles poor man ghettos

The reaction between C2H6 and Cl2 is by addition

Which situation can be represented by the inequality 4x − 25 < 125?

The protist known as an Euglena is sometimes considered an animal-like protist and other times a plant-like protist. Why would scientists classify it as a plant