link to Chemistry gateway, which contain links to videos about various chemistry concepts - you'll have to find the relevant specific link(s) to do this assignment.

on a sheet of paper, (i) answer the below questions based on your textbook and the above video link, (ii) include textbook page number(s) and url of the website (or sequence of links starting from the above link), where you found the answer, and (iii) include the names of all group members and identify the recorder.

topic(s): chemical equations

questions [6 points; 2 points / equation]

1. what's a chemical equation ? define / describe: the product in a chemical equation ? the reactant in a chemical equation ?

2. what does the coefficient in a chemical equation represent ? what does a 'balanced' chemical equation mean ?

3. what does the conservation of mass mean ? relate it to a balanced chemical equation.