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

NH 4
Cl + H 2
O → NH 4
OH + HCl

starting temperature ending temperature
20 o
C 14 o
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
.

1 answer

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