Table of Contents
What are the densities of various substances?
Densities of Common Substances
| Material | Density (g/cm3) | State of Matter |
|---|---|---|
| water at 4°C | 1.000 | liquid |
| seawater | 1.03 | liquid |
| milk | 1.03 | liquid |
| coal | 1.1-1.4 | solid |
What common substance has the highest density?
The first chemical element with the lowest density is Hydrogen and the highest density is Osmium.
What is the density of the substance?
density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre.
Why different substances have different densities?
All types of matter—solids as well as liquids—are made up of many different atoms. Depending on the mass of these atoms, their size and the way they are arranged, different substances will have different densities.
What is the least dense substance?
graphene aerogel
The world’s least dense solid is a graphene aerogel with a density of just 0.16 mg/cm³; produced by a research team from the Department of Polymer Science and Engineering lab at Zhejiang University, China, headed up by Professor Gao Chao (China). The material was announced in Nature magazine on 27 February 2013.
What is density with example?
Density is the measure of how much “stuff” is in a given amount of space. For example, a block of the heavier element lead (Pb) will be denser than the softer, lighter element gold (Au). A block of Styrofoam is less dense than a brick. It is defined as mass per unit volume.
What is density explain with example?
What is a real life example of density?
Everyday Density Examples A Styrofoam cup is less dense than a ceramic cup, so the Styrofoam cup will float in water and the ceramic cup will sink. Wood generally floats on water because it is less dense than water. Rocks, generally being denser than water, usually sink.
What units are used to measure density?
In the U.S., population density is typically expressed as the number of people per square mile of land area.
What are some real life examples of density?
What is the importance of density?
Density is an important concept because it allows us to determine what substances will float and what substances will sink when placed in a liquid. Generally, substances float so long as their density is less than the density of the liquid they are placed in.
Why do different substances have different densities?
Depending on the mass of these atoms, their size and the way they are arranged, different substances will have different densities. The density is characteristic for each individual compound and defined as the mass of a compound divided by its volume.