Determine original money using avogadro-s number
Avogadro's number is big. If you had 6.02 x 1023 dollars, and could spend it at 1 billion (109) per second for your entire life ( 75 years), what approximate percentage of your original money would you have left?
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The final temperature is 29 C. Calculate the standard heat of solution (on a per mole basis). Was the dissolution exothermic or endothermic?
The flask was then shaken until the solution was uniform. A 25.0-rm mL sample of this glucose solution was diluted to 0.500 rm L. How many grams of glucose are in 100. rm mL of the final solution?
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A 0.670 Liter can of CO2 gas at 273 K and 1 ATM of pressure is thrown into dry ice. The temp falls to 50 K and the volume decreases to 0.1 L after the can collapses. What is the pressure after the can collapses?
A close chemical relative of the banned insecticide DDT is methoxychlor (C16H15Cl3O2). Methoxychlor is currently used as a home insecticide. Calculate the mass percent of oxygen in methoxychlor.
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