Endothermic Reactions Demo


endothermicOverview
A room-temperature white solid in a bag is exposed to water. Upon mixing, the material in the bag becomes cold to the touch. The reaction occurring in the bag is absorbing heat from the environment, causing the area around the reaction to become cold.

Contents
5 Bags containing Ammonium Nitrate and Vermiculite

Safety
Safety Goggles, Gloves, Lab Apron. Ammonium Nitrate may explode if contaminated and accidentally heated. Its dust is an irritant to eyes and lungs. Some boards recommend that Ammonium Nitrate be used by teachers only, and in small quantities, NOT by students. It is strongly recommended by STAO that this activity be done as a demonstration by the teacher, and not by the students.

Curriculum Connection: Grade 10 Chemistry, Academic and Applied; Grade 11 and 12U Chemistry.

Click here to download the activity

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s