endothermic reaction
Plural
endothermic reactions
1
a chemical process that absorbs heat energy from its surroundings, often resulting in a temperature decrease
- When ammonium nitrate dissolves in water, the endothermic reaction causes the solution to cool.
- Photosynthesis is an endothermic reaction where plants absorb sunlight to convert carbon dioxide and water into glucose.
- In a chemical cold pack, the endothermic reaction between water and ammonium nitrate absorbs heat, providing a cooling effect.
- The endothermic reaction between barium hydroxide and ammonium thiocyanate absorbs heat, resulting in a temperature drop.
- Melting ice is an endothermic reaction because it absorbs heat from its surroundings to change from solid to liquid.