The enthalpy of formation of NH3 is -46kj/mol. Calculate the enthalpy change for the reaction reaction 2NH3(g) to form N2(g) + 3H2(g)

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius