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When particles in a substance move more in the gaseous state that given substance has greater what than the other states?
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What happens molecularly when a substance goes through a phases to get from a solid to a gas?
The particle theory states that all particles are made of matter, these particles are in constant motion and there is a force of attraction between these particles. Solids have more closely packed particles and thse particles get looser as they progress through the states from liquid to gas. Therefore, moleculary, the molecules move faster and faster and appear farther and farther away from each other.
Is an element a solid form of a substance?
Elements and compounds can be solids, liquids, or gases. Examples of elements that are solid, liquid and gaseous at room temperature respectively are iron, bromine, and helium. Examples of compounds in these states are sodium chloride, water, and carbon dioxide.
Why does a substance change states?
A change of state is accompanied by a change in an energy level, so it can be caused when energy is put into a substance, or taken out. As an example, when changing state from liquid to gas, that means that the individual particles have so much energy (or equivalently, move so fast) that they can escape from the attractive forces of other particles.
How are states of matter and physical properties the same?
A solid matter has a solid appearance, a gaseous matter has a gaseous appearance, and a liquid matter has a liquid appearance.
How can ice water and steam be three states of a substance and not different substances?
Well you can prove they are the same substance by experimenting. If you boil liquid water it turns into steam and if you then cool the steam, it turns back into liquid water. If you cool liquid water it will freeze and turn into ice and then if you warm the ice it will melt and tun back into liquid water. Thus the common substance in all three states is the water. ------------------------------------------------------------- In general substance are either solid, liquid or gaseous at normal temperatures and pressures and if you heat the solids they will turn into liquid then gas and if you cool the gases they will tun into liquid and then solids. Solid, liquid and gas are 3 of the possible states of matter (there are other states possible)
Does liquid oxygen react with gaseous oxygen?
No. Liquid oxygen and gaseous oxygen are the same substance, just in different states.
In which states of matter particles motion Is maximum?
In the gaseous state. Gas particles have the highest kinetic energy compared to liquid and solid particles.
What does the word gaseous describe?
The word gaseous describes one of the shapes of an object. An object is in the gaseous state when its particles are moving the fastest, compared to the slower states of liquid and solid.
When the particles of a substance move faster they spread out causing the substance to what?
Change states
When the particles of a substance move about faster they spread out causing the substance to what?
Change states
Does it mean that substance at a gaseous state does not have attraction forces?
NO it does not mean that substance at a gaseous state does not have attraction forces . It simply means that they have very very very weak forces of attraction . Therefore they have very high kinetic energy as compared to other physical states.
What was liquid before liquid?
If a substance that exists in liquid state was not in liquid state then it was in its other states of matter namely solid, gaseous.
What state of matter do particles spread apart to fill the available space?
Gaseous states of matter spread apart to fill the shape and the volume of the container which holds them.
Do elements melt?
I'm assuming you are talking about sub-atomic particles. The act of melting cannot be applied to particles because melting refers to a change of state of a substance. Substances, whether they be compounds or elemental, are a collection of atoms. These atoms, can be of 3 different states, depending on their temperature. If below the particular substance's melting point, it is solid. Between the melting and boiling point, the substance is liquid, and above the boiling point, the substance is gaseous. The state of the substance refers to the total amount of energy within the substance. Heat is energy, and melting a substance is only adding energy to it. the substance, on a molecular level, does not change when melting occurs. Therefore, melting a particle cannot occur, only energy can be added, which increases movement of the particles.
Is a particle of liquid Mercury the same size as the space between particles of Mercury in gas form?
No. The spaces between the particles in a gas are much bigger than the particles themselves. The size of a particle does not vary between the states of a substance.
What are examples of gaseous states of water?
Steam, clouds, and fog are all examples of water in a gaseous state.
How would you explain the difference between a solid a liquid and a gas to a student who isn't taking science class?
The difference between the states (phases) of matter is a property of the energy within their molecules. This energy determines how the molecules will interact with each other in the same element or compound. By adding energy, or removing energy, you can change a substance's phase. If the molecules are tightly packed with low energy, the substance is solid. With greater energy, the molecules stick together but move around each other, and the substance is a liquid. With even greater energy, the molecules push each other apart and become disorganized, and lose much of their coherence and their fixed volume, existing as a gas. The particular form of a substance's atoms or molecules determines the temperature at which phase changes occur. So some substances are naturally solids, liquids, or gases at normal temperatures. If elements react with other elements to form compounds, the molecules may adopt a phase with less energy, or one with more energy. e.g. solid sodium and gaseous chlorine = solid table salt e.g. gaseous hydrogen and gaseous oxygen = liquid water e.g. solid carbon and gaseous oxygen = gaseous carbon dioxide
