   Chapter 1, Problem 45GQ

Chapter
Section
Textbook Problem

You can figure out whether a solid floats or sinks if you know its density and the density of the liquid. In which of the liquids listed below will high-density polyethylene (HDPE) float? (HDPE, a common plastic, has a density of 0.97 g/cm3. It does not dissolve in any of these liquids.) Interpretation Introduction

Interpretation

The liquid in which HPDE floats has to be given.

Concept introduction:

Density:

Density can be defined as property that links mass of an object to its volume.  It derived quantity and its unit is gml-1 for liquids and gcm-3 for solid.  The density of material can be calculated with the help of formula,

Density=Mass(g)Volume(mlorcm3)

Explanation

The HDPE will float over the dense liquid (the density value greater than the HDPE).  In that case, the density of Ethylene glycol, water,

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