If Gregory starts with 2.5 grams of CuO, how many grams of N2 can he theoretically form?

                      0.2934 g of N₂

Explanation:

                    The balance chemical equation for given reaction is as follow;

                              2 NH₃ + 3 CuO → 3 Cu + N₂ + 3 H₂O

Step 1: Calculate Moles of CuO as;

                Moles  =  Mass / M.Mass

                Moles  =  2.5 g / 79.54 g/mol

                Moles  =  0.0314 moles of CuO

Step 2: Find out moles of N₂ as;

According to equation,

                      3 moles of CuO produced  =  1 mole of N₂

So,

                0.0314 moles of CuO will produce  = X moles of N₂

Solving for X,

                       X =  0.0314 mol × 1 mol / 3 mol

                      X =  0.0104 moles of N₂

Step 3: Calculate Mass of N₂ as;

                    Mass  =  Moles × M.Mass

                    Mass  =  0.0104 mol × 28.01 g/mol

                    Mass  = 0.2934 g of N₂

i believe the answer is a.

conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object. collisions between adjacent atoms and molecules transfer kinetic energy from the warmer to the cooler object. the objects must be in physical contact.