shekinahconnoll9360 shekinahconnoll9360

22-07-2017
Chemistry

contestada

What is the half-life of a 0.5 g sample of radioisotope that decayed to 0.125 g in 9.6 min?

Respuesta :

27-07-2017

25% remaining = 2 half-lives have passed,
9.6 / 2 = 4.8 minutes

Answer Link

Otras preguntas

an example of using bribery to engage in the union busting would be?

what all types of people were killed in the holocaust?

Find out the x-component and y-component of the following vectors: A = 15.0 cm; the vector is 30.00 north of west; B = 12.0 m; the vector is 55.00 north of ea

3. In which sentence is the word climbing a gerund? The explorers were climbing up the steeply sloping mountain. Mr. Herrera planted climbing ivy on the side of

What is (3n – 2) equal to? Enter your answer in the box.

The probability density function of the time to failure of an electronic component in a copier (in hours) is f(x) = (e^-x/1076)/(1076) for x>0. Determine the

What are the two types of myofilaments

Nancy Murphy, one of the leading contemporary proponents of non-reductive physicalism, notes that her and other NRPs deny the existence of non-material entities

When Citizen, a watch company, uses a spokesperson such as football player Eli Manning to promote its Eco-Drive watches, it believes he is ________ who can infl

If 28.0 J of work is done by an external force to move a charge from a potential of 8.0 V 8.0 V to a potential of 4.0 V , 4.0 V, what is the change in electric