Mixtures are two components combined together, although, you will still be able to see the particles unmixed with another one. For example, water and oil.
A chemical substance is composed of one type of atom or molecule. A mixture is composed of different types of atoms or molecules that are not chemically bonded. A heterogeneous mixture is a mixture of two or more chemical substances where the various components can be visually distinguished.
based on observation a mixture is a heterogenous combination of two or more substances where components have retained there characteristics.
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based on observation a mixture is a heterogenous combination of two or more substances where components have retained there characteristics.Jun 1, 2017
For me, a mixture is anything that has two or more substances combined into a new or single substance. There are two types of mixtures. These are your homogenous and heterogenous types. Homogenous, from the word homo itself, means "to be one". It means to appear in one phase only. Meanwhile, the word heterogenous means if a substance can be seen in two phases, like oil and water mixture. You can see the oil on top, right? That is an example of an heterogenous mixture.
Hope it helps!
Fruit salad is a heterogenous mixture, which is a mixture that is not uniform in composition.
It is a combination of two different substances, whether immiscible or not. They can be either separated or not.
It is a combination of two different substances, whether immiscible or not. They can be either separated or not
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To calculate the mass of the object, we have to use the following formula:
- Density will have units of
when dealing with a liquid or units of
when dealing with a solid.
The mass has units of grams,
The volume will have units of
We are given the density and volume, both of which have good units so all we have to do is rearrange the equation to solve for the mass:
Inorganic substances can dissociate into ions in solution, which carry charge, or let charge carriers like electrons or electron holes travel freely within the solid structure. In contrast, the structure of organic substances, which is mostly C-H bonds, does not allow charge to pass freely.
I believe you mean, inorganic substances commonly conduct electricity while organic compounds don't.
Electric charge travels through "charge carriers." These can beelectrons, which carry negative charge electron holes, which carry positive chargeions (cations are positively-charged while anions are negatively-charged)
Certain types of charge carriers exist for different conducting materials. Metals or metallic substances use electrons to facilitate electrical current. Semiconductors like metal oxide compounds use both electrons and electron holes. Ionic compounds like salt use ions and are conducting only in solution or in liquid form, because only then can their cations and anions be separated.
Metals, semiconductors, and ionic compounds are all inorganic compounds. On the other hand, organic compounds are characterized by the C-H bonding that is prominent in the chemical structures. Most organic compounds are non- or weakly conducting becausethe C-H structure does not allow the flow of charge carriers through itin solution, very few organic compounds can dissociate into their ionic forms.
There are exceptions, though. There are some polymers that are conducting because they can allow electrons to travel along the conjugated double bonds in the polymer backbone.