re-crystallization is a technique used to purify solid compound. Ethyl acetate and hexane are good solvent pair for recrystallization because they are miscible with each other due to their good differences in polarity. ethyl acetate has polarity of 77 while hexane has 68.

water and diethyl ether are not good solvent pair for recrystallization because water and diethyl ether are immiscible. They have very far polarity values. water has 100 while diethyl ether has 35

3 0

3 years ago

Two technicians are discussing the IAT sensor. Technician A says that the IAT sensor is more important to the operation of the e

horsena [70]

Answer:

Technician B.

Explanation:

The claim of technician B that the PCM will add fuel if the IAT indicates that the incoming air temperature is cold is correct.

8 0

3 years ago