How many disintegrations per second are there in one gram
Radioactive decay is 1st order and decay rates are given as half life. Give that potassium contains 0.0118% K^40, which has a half life of 1.27 x 10 ^9 years, how many disintegrations per second are there in 1 gram of KCl?
Expected delivery within 24 Hours
all investors actually face two dimensions of risk tolerance their willingness to take risk and their ability to take
search the internet other than wikipedia investopedia or similar sites for information on real and nominal interest
assignment related to finding any healthcare organization select a process management such as hospital admissions
Fertilisation in human beings, what is fertilisation in human beings? How many types of fertilisation in human beings? how it works explain?
CI.20 K+ is an electrolyte required by the human body and is found in many foods, as well as salt substitutes. One of the isotopes of potassium is 40K, which has a natural abundance of 0.012% and a half-life of 1.30x10 to the 9th power years.
Assume that water at 100 degrees celsius is saturated with KNO3 and then allowed to cool to 15 degrees celsius. Calculate the percentage of KNO3 that will crystallize out.
A 35.0 mL sample of an aqueous H2O2 solution was titrated with 23.5 mL of a 0.0204 M aqueous KMnO4 solution according to the balanced equation. Calculate the molarity of the H2O2 solution.
A single point charge of +q is placed at the very center of two spherical shells. The inner shell is non-conducting, has a charge of -2q, and an inner radius of a and outer radius of b.
1931388
Questions Asked
3,689
Active Tutors
1441103
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult