Imagine you are a science teacher, and your students are performing a flame test. this experiment involves the use of a bunsen burner, which produces an open gas flame. what safety precautions should you discuss with your students before beginning the experiment?

The teacher should discuss safety procedure with students at the beginning of the experiment or laboratory assignment.  The teacher should give list of rules for students.

1.       Always wear safety goggles.

2.        Never touch or rub eyes of face during science investigation.

3.       Keep lids on when not in use.

4.       Never use broken/chipped glassware. 

propane is burned to provide the heat in many cooking grills. the chemical reaction for this process is shown in the equation below.

c3h8 + 5o2 ? 3 co2 + 4h2o + energy

what are the products in this chemical reaction?

3co2 + 4h2o + energy