7. Ammonium nitrate and sodium hydroxide react to yield ammonia, water vapor, and sodium nitrate. Calculate the enthalpy of formation of sodium hydroxide given the following heats of
formation: ammonium nitrate AH°= -230.6 kJ/mol, ammonia AH = -46.2 kJ/mol, water vapor
AH° = -241.8 kJ/mol, sodium nitrate AH°= -467 kJ/mol, and AHºxxn = -55.2 kJ/mol.

A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas

What is the formula of the ionic compound composed of calcium cations and chloride anions

Some molecular compounds, such as hcl, ionize completely in solution. for molecular compounds such as h2co3, most molecules do not ionize in solution. which describes the properties of these two solutes? a. hcl and h2co3 have the same effect on the properties of the solution. b. hcl raises the freezing point of water more than h2co3 does. c. hcl raises the boiling point of water more than h2co3 does.