Calculate the energy of a photon of frequency
Calculate the energy of a photon of frequency 80.5 MHz; explain what frequency of radiation has photons of energy 1.77 x 10 to the negative19th power J? In what region of the electromagnetic spectrum would this radiation be found?
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Determine the molarity of calcium chloride in the solution resulting from the addition of 100mL of 0.0500 M of calcium hydroxide to 200mL of 0.0500 M of HCl?
Many people think that the national lobby's successful fight against gun control legislation is reflecting the will of a minority of Americans. A previous random sample of 4000 citizens would need to be sampled if 99% confidence interval was desir
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Determine the area under standard normal curve between z= -0.5 and z= 0.5.
Discuss how the above solution in part (a) functions as a buffer solution when the following are added to the buffer solution. No calculation required.
Suggest the following linear trend equation of an industry's sales: yt = 120 + 12 t where t is measured in years and sales are measured in millions of dollars. Which is the most reasonable conclusion?
A sample of potassium hydroxide of mass 9.670g was dissolved in the water and diluted to the mark in a 250.0ml volumetric flask. It was found that 21.56ml of this solution was required to reach the stoichiometric point in the titration of 15.0ml o
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