Problem based on half life of an isotope
The half life of an isotope is 3.15 x 104 years. How many hours will it take for a 4.92 g sample to decay until 1.81 g of the isotope remains? Remember - that there are actually 365.25 days in a year.
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A 0.0125-g sample of a gas with an empirical formula of CHF2 is placed in a 165-mL flask. It has a pressure of 13.7 mm Hg at 22.5 ?C. What is the molecular formula of the compound?
The end position of the arm must be deteermined accurately in order to weld the components at the precise position. a) In selecting the material for the arm of such robots, what factors must be considered?
On July 1, 2008, B Corporation issued $20 million of 8.21%, twenty-year bonds. Interest on the bonds is paid semiannually on December 31 and June 30 of each year, and the bonds were issued when the market interest rate was 7.98%.
On the first day of the current fiscal year $2,000,000 of 10 year 7% bonds with interest payable annually, were sold for $2,125,000. Present enteries to record the following transactions for the current fiscal year.
Assume that you are a chemical engineer attempting to optimize the process CO(g) + 2H2(g) (right arrow) CH3OH(g), what conditions would you use? Explain purpose of each factor by applying Le Chailiens Principle.
Coleman, a married taxpayer, is going to establish a manufacturing business. He anticipates that the business will be profitable immediately due to a patent he holds.
The company faces two choices that Mr. Smith must evaluate with your assistance: continue with the current smaller sized stores, or select larger stores for the firm's strategic growth or construction plan.
One metric tonne(t) equals 1000kg. What is the amount of sulfur dioxide produced by a power plant that burns 7.5 million metric tonnes(t) of coal over a year? Assume that the coal is 2.4% sulfur by mass.
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Analyze the art that portrays pharaoh Akhenaten. Take some notes on how Akhenaten is depicted in art. Think about Akhenaten's reforms in Ancient Egypt.
For this assignment, you will create a PowerPoint presentation exploring the historical trends in inclusive education.
Today's teachers have immediate access to online resources for supporting ELLs in the classroom. However, they often lack the time to sift through the abundance
Choose one of the examples mentioned in Dan Pink's talk, which relates to the science of human motivation. Access the databases and search for information
1. Determine the area/field or potential problem for your group: (e.g., divorce, substance abuse, transitions, eating disorder, loss-bereavement
Review the following case study, "Caught In Between". And analyze it based on your knowledge of strategic communication you've learned about in this competency
Step One: As a group- we all need to pick two companies that involve a vision and mission statement. Each member needs to do research