Endothermic reactions include solid citric acid and sodium hydrogencarbonate, and dissolving ammonium nitrate in water. Demonstrate ... and solid ammonium chloride. Ask students to explain their ...

2. The beaker now contains sodium ethanoate, water and carbon dioxide. The temperature on the thermometer has fallen, meaning it is an endothermic reaction. When ammonium chloride powder is mixed ...

Commercial heat packs (containing iron and water, or supersaturated sodium acetate) and cold packs (various ammonium salts) can be used to show exo- and endothermicity. Heat packs that contain iron ...

(d) Mixing of ammonium chloride in water absorbs heat from reaction mixture therefore it is an example of endothermic reaction. Question. 23 Identify the reducing agent in the following reactions.

Instant cold packs use ammonium nitrate and water to start an endothermic reaction. The potassium chloride can be found in the grocery store as a table salt alternative. The chemicals need to be ...

Two dry solids --- barium hydroxide and ammonium nitrate --- are mixed to produce an endothermic reaction. The temperature of the mixture drops approximately 45oC and is cold enough to freeze the ...