fractional distilation because the solvent will evaporate and pass through the condenser and the sonvent will be in the beaker while the solute remains in the round bottomed flask
Answer:
The empirical formula for propane is C3H8.
1: viewing any chemical reaction in a laboratory
2: dangerous to look at when it burns & used in photography, fireworks, and flares
3: the product
Answer:
Darwin's book introduced the scientific theory that populations evolve over the course of generations through a process of natural selection. It presented a body of evidence that the diversity of life arose by common descent through a branching pattern of evolution.