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a reaction
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∙ 13y ago
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When oxygen is liquefied is it a physical or chemical change?
Physical because it is still Oxygen. A chemical change results in a chemical equation and thus a new substance. No new substance = no chemical change. Liquefaction is a physical property.
Is an apple turning brown physical change?
It is both physical and chemical change as it changes its appearance , and it results in a new substance also
When a substance undergoes a phase change what occurs a particle change a chemical change a new substance is formed a physical change?
When a substance changes phase, this is a physical changerather than a chemical change. When water freezes to become ice, or when ice melts to become water, its all physical.
How is a physical change related to a substance physical properties?
a physical change is a change in any physical property of a substance, not in the substance itself
How is a physical change related to a substance physical property?
a physical change is a change in any physical property of a substance, not in the substance itself
Physical changes in a substance results in?
Physical changes in a substance result in
Can a physical change change what a substance is?
a physical change will only alter the appearance but will NOT change the substance to another substance =)
What are the Definitions of chemical and physical changes?
A physical change is a change in the physical state of a substance. An example of a physical change is water turning to ice (a solid) when frozen. Its state of matter has changed, but it is still the same substance (water).A chemical change is a change in the chemical structure of a substance(s). For example, when oxygen and magnesium react, they form magnesium oxide (a different substance). The chemical state of both the oxygen and magnesium atoms involved has changed.Equations:Oxygen + Magnesium --> Magnesium OxideO2 + 2Mg --> 2MgO
Is changing color of apple a chemical or physical change?
An apple turning brown is a CHEMICAL change.
What does not change when a substance changes matter?
During a physical change, the matter of what the substance is made out of doesn't change.
When a substance changes form but it remains the same substance is it a physical or chemical change?
it would be physical change because physical change is when the substance stays the same
When a substance changes form but it remains the same substance is it a chemical or physical change?
it would be physical change because physical change is when the substance stays the same
