In a coffee-cup calorimeter, 1.599 NH, NO, is mixed with 75.9 water at an initial temperature of 25.30°C. After dissolution of the salt, the final temperature of the calorimeter contents is 23.18°C. Assuming the solution has a heat capacity of 4.18 3/°C-9 and
assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of
NH, NO, in units of k]/mol.
AH-315 X kj/mol
T.

answerlinnaeus;

a). in this case, dh> 0 and sd> 0. if t becomes larger, the term "-tds" will become more negative. at some point, it is possible that -dts will be more negative than the dh is positive, and the reaction will become spontaneous. this is probably the correct answer, but you should look at all of the other possibilities and make sure of that.

gasoline is a mixture. it contains several different kinds of compounds that can be present in a variety of ratios.