Understanding the Amount of Substance in Physical Objects

  • Thread starter Jhenrique
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In summary: They always exist in pairs and trios. So it would be incorrect to say that there is a mole of strange quarks.All those physical objects: http://en.wikipedia.org/wiki/File:The_incomplete_circle_of_everything.svg / http://en.wikipedia.org/wiki/File:Standard_Model_of_Elementary_Particles.svg, are amount of substance?An object is an object, amount of substance is amount of substance, these are completely different things.
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  • #2
An object is an object, amount of substance is amount of substance, these are completely different things. Your question doesn't make sense.

You could as well ask what color is sweet, or whether sand is a chicken.
 
  • #3
I don't know how call those things, some haven't mass, charge, spin and maybe still volume! In other words, all the particles (incluinding the photon), every what is possible quantify, are amount of substance?
 
  • #4
Jhenrique said:

Jhenrique said:
I don't know how call those things, some haven't mass, charge, spin and maybe still volume! In other words, all the particles (incluinding the photon), every what is possible quantify, are amount of substance?

We are having a lot of problems parsing your sentences in this question. Are you asking more like one of these?

-1- Are the particles listed on those pages all that there are. Could there be other particles?

-2- Is everything in the universe made up of those particles?

-3- Is the mass of an object made up of the masses of those elementary particles in the object?

...Or some other variation? Can you give a more detailed explanation of what you are trying to ask?
 
  • #6
Mole is just an overgrown dozen - just like dozen holds 12 objects, mole holds 6.02×1023 objects. So technically yes, we can talk about mole of photons. Whether it is possible to have a mole (or several) of strange quarks is another question. Quarks are never found in isolation.
 
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What is the concept of amount of substance?

The amount of substance refers to the quantity of a substance, measured in moles, that is present in a physical object or system. It is a fundamental unit in chemistry and is used to measure the number of particles (atoms, molecules, ions) in a sample of a substance.

How is the amount of substance calculated?

The amount of substance is calculated by dividing the mass of a substance by its molar mass. The result is measured in moles. For example, if a sample of a substance has a mass of 50 grams and its molar mass is 25 g/mol, then the amount of substance is 2 moles (50 g / 25 g/mol = 2 mol).

Why is it important to understand the amount of substance in physical objects?

Understanding the amount of substance in physical objects is important because it allows us to accurately measure and compare the quantities of different substances. It also helps us to understand the behavior and properties of matter, as the amount of substance affects how a substance interacts with other substances and its environment.

What are some common units for measuring amount of substance?

The most common unit for measuring amount of substance is the mole (mol). Other commonly used units include the kilomole (kmol) and the millimole (mmol). In some cases, the amount of substance may also be expressed in terms of molecules or atoms.

How does the amount of substance relate to the Avogadro constant?

The amount of substance is directly proportional to the Avogadro constant, which is approximately equal to 6.022 x 10^23 mol^-1. This means that one mole of any substance contains the same number of particles (atoms, molecules, ions) as any other substance. The Avogadro constant is a fundamental constant in chemistry and is used in various calculations involving amount of substance.

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