How many moles of atoms are in given sample
A certain element has a mass per mole of 54.9380 g/mol. What is the mass of a single atom in (a) atomic mass units and (b) kilograms? (c) How many moles of atoms are in a 258-g sample?
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Starting with $2,000 on March 3, you deposit $500 23 days from March 3, withdraw $800 69 days from March 3, and deposit $600 121 days from March 3.
What's the present value of a $1,000 bond that matures in 2 years and pays coupons at the rate of 2% per eyar> ( one coupon every 6 months) Assume that the risk free interest rate is 3% throughout the 3 year period.
A bug crawls outward from the center of a compact disc spinning at 210 revolutions per minute. The coefficient of static friction between the bug's sticky feet and the disc surface is 1.1 How far does the bug get from the center before slipping?
Patriot Industries recently sold its fin fabrication machine for $150,000. The machine originally cost $500,000 and has a current book value of $100,000.
If the 10 year Treasury bond rate is 5.7% , the inflation premium is 2.9% and the maturity risk premium on 10-year Treasury bond is .5%, assuming thatthere is no liquiity - risk premium on these bonds...what is the real risk factor ?
An electron is accelerated by a synchrotron accelerator to an energy of 2GeV. What is its velocity and what is the ratio between its mass after the acceleration and the rest mass?
In the Rational Choice paradigm, what conditions must a person's preferences meet in order for us to consider them a rational person?
What is the frequency (Hz) of an oscillator with a period of 20 seconds? (show how to solve please) how much force is needed to stretch a spring (k=1000 N/m) by 6 cm?
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