shaydog8953 shaydog8953

13-05-2022
Chemistry

contestada

Fluorine-21 has a half-life of approximately 5 seconds. what percentage of the original nuclei would remain after 15 seconds

Respuesta :

jsimpson11000 jsimpson11000

23-05-2022

Answer:

1/8th = 12.5%

Explanation:

Three half lives would be 1/2 * 1/2 * 1/2 = 1/8 th of original

Answer Link

Otras preguntas

read the quotation from Booker T. Washington‘s African an autobiography every persecuted individual we should get much consolation out of the crate him at all w

www.g A survey of athletes at a high school is conducted, and the following facts are discovered: 19% of the athletes are football players, 79% are basketball p

What type of terrorist groups is responsible for the most lethal terrorist attacks (number of wounded and killed per attack), according to the dataset used by J

Why do you think there was so much controversy surrounding the piece above?

A stock has an expected return of 11 percent, its beta is 1.20, and the risk-free rate is 4.4 percent. What must the expected return on the market be

What is the approximate area of the shaded region under the standard normal curve below? Use the portion of the standard normal table given to help answer the q

Please help me with this show me the steps please

Deluxe coffee is to be mixed with regular coffee to make at least 5151 pounds of a blended coffee. The mixture must contain at least 99 pounds of deluxe coffee.

Starting from a long run steady state equilibrium, a variety of expansionary fiscal and monetary policies were undertaken. The production exceeds potential GDP

Suppose that a certain brand of light bulb has a mean life of 450 hours and a standard deviation of 73 hours. Assuming the data are bell-shaped: (Show work to g