Did you know that there was a day set aside to commemorate Amadeo Avogadro
and his valuable constant? Find out more about this by visiting the site below
and answering the following questions. http://artoo.gisd.k12.mi.us/~nmdf/index.html
On what day is National Mole Day celebrated?
Click on the history of National Mole Day.
Now, click on background information about Amadeo Avogadro at http://onsager.bd.psu.edu/~jircitano/avogadro.html.
The Molecule of the Month Page displays a new and interesting molecule
each month. The molecule displayed in February was urea. Go to this site and
answer the following questions about this compound: http://smallfry.dmu.ac.uk/chem/mom/urea/ureac.html.
Calculate the number of moles of urea (CON2H4)
in 217 g.
Calculate the percent composition by mass of each of the elements in
urea.
Calculate the number of grams of carbon in 178 g urea.
Using the equation showing the formation of melamine from the dehydration
of urea, calculate the number of grams of CO2 formed from the
dehydration of 130 g of urea.
