Using the data below, calculate the heat of dissolution, ΔHsoln, in units of Joules . Assume the specific heat capacity of the solution is 4.18 Jg ∗°C.

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?

Find the mass, in grams, of 5.00*10^23 molecules of f2