If a reaction begins with a mixture of NO2 and O2 at partial pressures of 1.00 atm each, the reaction will be spontaneous until some N2O5 forms in the mixture. What is the maximum partial pressure of N2O5 that can build up before the reaction ceases to be spontaneous? PN2O5=

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

In a reaction equation, where are the products located? a.) above the arrow b.) to the right of the arrow c.) to the left of the arrow d.) below the arrow

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth