Wellnertal Equallons
Instruction Active
Calculating Enthalpy of Reaction
Ammonia (NH3(g). AH = -46.19 kJ/mol) reacts with hydrogen chloride (HCI(9), AH = -92.30 kJ/mol) to
form ammonium chloride (NHCl(s). AH = -314.4 kJ/mol) according to this equation:
NH3(9) + HCl(9) ► NH4Cl(s)
What is AHan for this reaction?
DONE

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5