Answer:
substances with a higher boiling point are returning back to the flask which allows another substances with the specific context temperature (lower boiling point) to boil over and be purified.
Explanation:
The reason it happens because the lower boiling point substance vaporizes and crosses over while the other substance is waiting for its boiling point to reach
A, O2 has to be a reactant for combustion to burn
Yes because without movement the tow truck will not be moved with 15,000 N
4 grams , mass cannot be created or destroyed. it has to be the same on both sides of the equation
