In the video, 1 gram of ammonium chloride is added to 5 mL of water. The following reaction takes place.

Question

NH4
Cl + H2
O → NH4
OH + HCl

starting temperature ending temperature
20o
C 14o
C
Fill in the blanks to complete the following description.

(6 points)
In this reaction, the temperature changed from
to
. This means the temperature
. This type of reaction is categorized as
. This type of reaction causes the surrounding to feel
, which is why it is a good reaction to use when designing a

Answer 1

In this reaction, the temperature changed from 20°C to 14°C. This means the temperature decreased. This type of reaction is categorized as an endothermic reaction. This type of reaction causes the surroundings to feel cold, which is why it is a good reaction to use when designing a refrigeration system.