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When a substance changes state, Energy within the substance is gained or lost, but the composition is unchanged.
What else can I help you with?
Change 3 explain what happens to the identity of a substance in a physical change 4- explain what causes a substance to change from one state to another 5- explan what happens to particle size?
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What kind of change happens when the composition of a substance does not change?
A physical change occurs when the composition of a substance does not change. This means the substance retains its chemical identity but may undergo a change in its physical properties like shape, size, or state of matter. Examples include melting, freezing, boiling, or dissolving.
What kind of change happens when a substance dissolves?
I want to say physical change
When the particles of a substance move about faster they spread out causing the substance to what?
Change states
When the particles of a substance move faster they spread out causing the substance to what?
Change states
What happens when a pure substances undergoes a chemical change?
when a pure substance undergoes a chemical change it is no longer that same substance. A chemical change changes the identity of the substance. Hope i helped
What happens when you take the heat away from a substance?
Physical change
What happens when a pure substance undergoes a chemical changes?
when a pure substance undergoes a chemical change it is no longer that same substance. A chemical change changes the identity of the substance. Hope i helped
What kind of change happens when the composition of substance does not change?
I dont know but you better find out
What best describes the enthalpy of formation of a substance?
The energy change that happens when a substance forms from its elements (APEX)
What happens When a substance goes through a physical change?
The Substances die
How does water turn from a solid to a liquid?
water like other things can change different states. So what happens is the particles in this substance reacts to the temperatures (which affects what state it goes in) and thus change different states. Take a look at this diagram for a further explanation.
