Density is an intrinsic property of each type of material, defined as the total mass divided by the total volume. Obviously, two samples of the material which have the same mass and same volume will have the same density, but that is not that answer to this question. This question is about the thermodynamic state of a material and the answer is temperature and pressure.
The thermodynamic state of a system is a set of properties that are reproducible when the thermodynamic variables have been specified.
Density is one such property. Specifying the temperature, pressure and specifying the quantity and type of material of a system determines density at equilibrium.
The equilibrium condition is critically important in that assertion.
It is a fundamental premise of thermodynamics that the state of a simple system at equilibrium can be completely characterized by specifying two independent property variables, such as temperature and pressure, and the quantities of the chemical constituents.
Any system then with the same thermodynamic state has the same intrinsic properties such as density, heat capacity, thermal conductivity, viscosity, and other characteristics.
By changing the temperature as you can't add anything to a pure substance.
Archimedes came across concept of density - that is MASS divided by VOLUME. For each substance this ratio is different but a CONSTANT for that substance. Thus the mass you are dealing with is irrelevant if the crown had the same ratio as the piece of pure gold then the crown was pure god, if it did not then the crown was not gold.
Density is simply the mass divided by volume. This means that it is the amount of the substance in a specific unit of space. Because a pure substance indicates that it is exactly that, a substance made of a specific combination of elements, it will always have the same density because those elements can only take one form in order for it to be pure.
No, a pure liquid at normal temperature has a constant density while the density of a gas depends upon temperature and pressure.
A quality of a substance that never changes is one of the reasons why density is a characteristic property
If a substance is not pure, the density may, or may not, change, compared to the pure substance.
A pure substance is classified by having a definite and constant composition. The substance can be either an element or a compound, but what makes the substance pure, is that it does not vary.
A pure substance is a substance that is constant throughout. Such as water, tin or sulfur.
Density can tell you how "pure" a substance is. Since each substance has a specific density in its "pure" state, having no other substances in its composition, by measuring it density you can tell how pure the mineral or substance is, 99.9% pure gold.
Density is specific for each substance. Also the measurement is generally simple.
By changing the temperature as you can't add anything to a pure substance.
Pure substances fall into two categories: elements or compounds, both of which have constant compositions. H2O is a compound, and therefore a pure substance because its composition does not vary.
No. A pure substances has a definite and constant composition.
A pure substance:cannot be separated into 2 or more substances by physical or mechanical meansis homogeneous, ie, has uniform composition throughout the whole sampleits properties are constant throughout the whole sampleits properties do not depend on how it is prepared or purifiedhas constant chemical composition
If both objects are pure gold then the density is the same. Weight and mass are not factors in this particular question.
Archimedes came across concept of density - that is MASS divided by VOLUME. For each substance this ratio is different but a CONSTANT for that substance. Thus the mass you are dealing with is irrelevant if the crown had the same ratio as the piece of pure gold then the crown was pure god, if it did not then the crown was not gold.
Not necessarily. The temperature of the samples would have to be the same. It can also vary with how pure the substance is.