2 NH3 + 3 CuO --> 3 Cu + N2 + 3 H2O In the above equation how many moles of N2 can be made when 165.7 grams of CuO are consumed?

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

Based on the equation and the information in the table, what is the enthalpy of the reaction?

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.