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When a pure solid substance was heated it changed into another solid and a gas?
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Dissolving a solid liquid or gas in another substance produces a an?
When a solid, liquid , or gas is dissolved in another substance, the result is a solution.
What happens to the temperature of a solid when it is heated?
Heat affects the properties by speeding up the particles and providng them with more energy. As they heated the bounce off one another and expand the solid. When it's cold, The particles have less energy and don't move as much, This results in contraction and the solid shrinks. Basically, Heat ---> expansion Cooling -----> contraction
What if you mix matter with another substance?
What happens would depend on what sort of matter you are stirring in.
Why is ice melting a phyical change?
Because the physical state of the compound has changed. It has changed from a solid to a liquid. If you continue to heat this liquid to 100 degrees then it will boil and turn from a liquid to a gas, another physical change. A substance that changes from a solid straight to a gas is said to have sublimed, iodine is an example of a substance that does this. The three obvious states of matter are solid, liquid and gas, but there are many more types in modern physics/chemistry.
What is sublimation and give an example of a substance that sublimes?
If zinc chloride is heated strongly the solid will sublime.
What happens to a solid when is heated?
A substance in the solid phase will typically expand when heated. Most substances when heated sufficiently will melt into a liquid, assuming that they do not combust or sublimate.
Are the particles in a solid linked?
Yes, they have tiny bonds that when the substance is heated break and the substance forms a liquid.
When a substance experiences sublimation it has changed from what?
solid to gas
How can water changed into a solid?
you freeze the substance in a FREEZER
What happen to a substance when it is heated?
The velocity of the atoms/molecules (that the substance is made of) increase.
Dissolving a solid liquid or gas in another substance produces a an?
When a solid, liquid , or gas is dissolved in another substance, the result is a solution.
What happens to the temperature of a solid when it is heated?
Heat affects the properties by speeding up the particles and providng them with more energy. As they heated the bounce off one another and expand the solid. When it's cold, The particles have less energy and don't move as much, This results in contraction and the solid shrinks. Basically, Heat ---> expansion Cooling -----> contraction
What if you mix matter with another substance?
What happens would depend on what sort of matter you are stirring in.
A solid white substance A is heated strongly in the absence of Air It decomposes to form a?
Nobody has any idea of what you are talking about...
Why is ice melting a phyical change?
Because the physical state of the compound has changed. It has changed from a solid to a liquid. If you continue to heat this liquid to 100 degrees then it will boil and turn from a liquid to a gas, another physical change. A substance that changes from a solid straight to a gas is said to have sublimed, iodine is an example of a substance that does this. The three obvious states of matter are solid, liquid and gas, but there are many more types in modern physics/chemistry.
What happens to the volume of most substances as they are heated?
the volume of the solid would go down , thus making the solid into a liquid.
When a green solid substance was heated up it broke down into a black solid and a colourless gasis it a mixture or compound?
The gas and the solid are two different compounds, they won't be the same therefore they'd be a mixture.
