Iodine-131 is a radioactive isotope after 900 days 460 of a
Iodine-131 is a radioactive isotope. After 9.00 days, 46.0% of a sample of 131I remains. What is the half-life of 131I
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The absorbance of solutions containing Cr as dichromate Cr2O7-2 in 1.0M H2SO4 were measured in a 5cm cell. The following results were obtained. What is the molar absorptivity of dichromate
A uniform electric field of magnitude 4.10 × 105 N/C points in the positive x direction, Find the change in electric potential energy
The price of a good to be sold by a Monopoly is $0.50. The market has an elasticity of demand (n) of 5. a. What is the mark-up and what is the Marginal cost. What would this look like for a perfectly competitive market.
From 1970 to 2000, the supply of college graduates to the labor market increased dramatically, while the supply of high school (no college) graduates shrank. At the same time, the average real wage of high school graduates fell.
The blood flow speed through an aorta with a radius of 1.00 cm is 0.365 m/s, If aorta constricts to a radius of 0.800 cm, how much does blood flow speed increase
What is the net redox reaction that occurs when Pt comes into contact with acidic KMnO4
Consider a simple economy where 90 percent of citizens report an annual income of $10,000 while the remaining 10 percent report an annual income of $110,000. What is the Gini coefficient associated with this economy
A negative charge orbits a positive charge. The orbit is a perfect circle, What is the period of the orbit of the negative charge
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