Assignment:
Q1. Describe two different ways by which you could measure the volume of a small cube.
Q2. Which is more dense, lead or brass?
Q3. If the value occupied by a liquid 48mL and the density if 1.2g/mL, what is the mass of the liquid?
Q4. A recycling plant has chips of hight density poly(ethylene) (HDPE, d=0.92g.mL) used for plastic bottles and poly(vinylchloride) (PVC, d=1.406g/mL) used for plumbing and house siding. The chips of these two plastics were inadvertently mixed and it is your job to separate them. How would you do this?
Provide complete and step by step solution for the question and show calculations and use formulas.