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Most substances change their physical state and?
liquify or boil
What kind of changes in substances are always physical changes?
The kinds of changes in substances that are always physical changes are changes in the state. This is the change from solid, to liquid and then to gas and the reverse.
What physical property can not identify a substance?
state of matter for example,you cannot say a liquid is water because it is liquid,so state of the substance is a physical property that is very uncertain in deducing what the substance is.
What are some characteristics for a physical change?
A physical change is a change that can be reversed easily and no new substances are made. Examples are state changes ie. solid to liquid or liquid to gas.
What are physical and chemical properties of rubidium?
Physical Properties : Colour State(liquid, gas and solid) Melting point Boiling point Density Chemical Properties : How it reacts with other things or substances.
In what physical state are substances with a definite shape and volume?
solids
Most substances change their physical state and?
liquify or boil
How are molecules arranged in substances?
It depends on the substance and the physical state of the substance.
What does change of state operation?
Change of state is a property that involves the substances of chemical and physical changes
Can substances that have undergone a physical change be changed back to their original state?
Yes
What kinds of changes in substances are always physical change?
The kinds of changes in substances that are always physical changes are changes in the state. This is the change from solid, to liquid and then to gas and the reverse.
When substances are given energy they may change state This is a physical change If they do not receive enough energy to change state they will still experience a physical change What is this call?
heating
What kind of changes in substances are always physical changes?
The kinds of changes in substances that are always physical changes are changes in the state. This is the change from solid, to liquid and then to gas and the reverse.
What physical property can identify a substance?
state of matter for example,you cannot say a liquid is water because it is liquid,so state of the substance is a physical property that is very uncertain in deducing what the substance is.
What physical property can not identify a substance?
state of matter for example,you cannot say a liquid is water because it is liquid,so state of the substance is a physical property that is very uncertain in deducing what the substance is.
What are some characteristics for a physical change?
A physical change is a change that can be reversed easily and no new substances are made. Examples are state changes ie. solid to liquid or liquid to gas.
What is the physical state of Hydrogen Helium Methane Hydrogen deuteride and Ethane?
All of the substances listed in the question are gases at standard temperature and pressure.
