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did i do #1 right? Write balanced equations for the following reactions (a) Reac

ID: 505026 • Letter: D

Question


did i do #1 right?

Write balanced equations for the following reactions (a) Reaction between magnesium (Mg) and nitrogen (N_2) to form Mg_3N_1 at high a temperature. (b) Reaction between Mg_3N_2 and water to form magnesium hydroxide and ammonia (NH_3) (c) of magnesium hydroxide when it is strongly heated. [see step 22 of the procedure for the products formed in this reaction.] A sample of 0.456 moles of propane (C_3H_) is completely burned in 1.25 moles of oxygen. The products are carbon dioxide and water. (a) Write a balanced equation. (b) Which is the limiting reactant? (Show calculations)

Explanation / Answer

Mg (s) + N2 (g) --------> Mg3N2 (s)

In elemental or natural state nitrogen exist as N2 gas , so it should be N2 not simply 2N.