How many counts per second would you obtain
Suppose you had a detection device that could count every decay from a radioactive sample of plutonium-239 (t1/2 is 24000 yr). How many counts per second would you obtain from a sample containing 0.172 g of plutonium-239?
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Find the displacement amplitudes of the a) initial note and b) the final note. part c and d should be in pascals.
Given that the E(o) for Cu+ is 0.521V and the E(o) for Fe(2+) is -.440V, determine the cell potential for the reaction and state wether or not the reaction is spontaneous.
In the bucket there are 200 tickets and 36 of them have a W. Let's consider the first 20 students that draw a raffle ticket and calculate the following. What is the expected number of W's drawn?
An ambulance moving at 42 m/s sounds its siren whose frequency is 450Hz. A car is moving in the same direction as the ambulance at 25 m/s. What frequency does a person in the car hear (a) as the ambulance approaches the car? (b) After the ambulanc
Let the random variable Xdenote the yearly revenue of the product. Determine the cumulative distribution?
Two 69 g ice cubes are dropped into 234 g of water in a thermally insulated container. If the water is initially at 25°C, and the ice comes directly from a freezer at -15°C, what is the final temperature at thermal equilibtrium?
Suppose a compact disk (cd) you just purchased has 15 tracks. After listening to the CD, you decide that you like 6 of the songs. The random feature on your CD player will play each of the 15 songs once in a random order.
The population of Douglas fir trees was shown to have an approximately normal diameter distribution with mu = 50 centimeters (cm) and sigma = 12 cm. Find the diameter d such that 30% of the Douglas fir trees in the population have diameters that e
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When thinking about obsessive compulsive disorders and hoarding disorders, how have they gained popularity in media?
How the social cognitive theory was used in the article by Gothe, N. P. (2018). Correlates of physical activity in urban African American adults and older adult
As a clinical mental health counseling student seeking practicum/internship opportunities finish the following sentence about ACT-abuse counseling and Treatment
In Dr. Irvin Yalom's (2000) Lying on the Couch, there are several characters whose perspectives are shaped by their experiences.
If a member of counseling group should tell me during the screening interview "I really don't want to be in this group, but I'm coming here because
Problem: Haley's father drinks alcohol heavily on a regular basis. Her mother has a severe anxiety disorder.