MJFC129 MJFC129

12-12-2017
Chemistry

contestada

Technetium-99 is used for brain scans. If a Laboratory receives a shipment of 200 g of this isotope, how much will remain after 24 hours? The Half-Life of
Technetium-99 is 6 hours.

Respuesta :

jasontan2709 jasontan2709

12-12-2017

Final amount is 200/(2^4)
Which is 12.5 grams

Answer Link

Otras preguntas

What statement about tobacco use is true? A. Smokeless tobacco can lead to cancer but is not addictive. B. Smoking relaxes people because it lowers the heart ra

As a result of the French Revolution, the King and Queen were

Which important member of the feudalism system am I? I own vast amounts of land and need help protecting it from intruders. To obtain this protection I split my

How are igneous rocks formed? A. Lava or magma cools and then crystallizes. B. Glaciers melt. C. Lava or magma heats up and crystallizes. D. Hail falls and

You are in line at an amusement park. You CAL 34 people in front of you. Each roller coaster fits 11 people. How many roller coaster must run before you get on?

What business group sent the Englishmen to Virginia in 1607?

What's 28/42 simplified

Which of the following is not a characteristic of a unitary government? A. centralized B. one authority C. divided powers D. government in one location

The Ziggurat of Ur is one of the most famous ziggurats. A. True B. False

Which nation did not play a major role in exploring or colonizing the southeastern united states? A. spain B. france C. england D. portugal