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What change of state occurs when a substance reaches it's melting point. What occurs when it reaches it's boiling point?
When a substance reaches its melting point it changes from solid to liquid. When a substance reaches its boiling point it changes from liquid to gas.
At a constant pressure freezing occurs by what?
At constant pressure, freezing occurs when the temperature of a substance is lowered below its freezing point, causing the substance to change from a liquid to a solid state. During this process, the molecules of the substance lose energy, slow down, and arrange themselves into a more ordered structure, resulting in the solidification of the substance.
What process describes where organic material is turned into stone?
The process that describes organic material turning into stone is called petrification. This occurs when organic matter becomes replaced by minerals, conserving its original structure but transforming it into a stonelike substance. Over time, the organic material decays, leaving behind a fossilized stone replica of the original organism.
Is color change a physical or chemical change?
It depends. In most cases, it is a chemical change as the different colored species have different chemical structures. However, it is possible to change color by very finely dividing particles of matter and this is a physical change.
What may happen to the boiling point of a substance if there are impurities present. Explain in terms of the nature of impurities.?
The boiling point of a substance may increase if impurities are present. This occurs because impurities disrupt the regular arrangement of particles in the substance, making it harder for the substance to change phases. As a result, more heat is needed to overcome these disruptions, leading to an elevation in the boiling point.
What change occurs when a substance changes into a different substance?
Chemical Change
What type of change occurs when a substance a completely change into a new substance?
Chemical change
What type of change occurs when a substance is completely changes into a new substance?
chemical change
When a substance moves from one state to another what kind of change occurs?
A phase change occurs. This can involve transitions between solid, liquid, and gas states, such as melting, freezing, evaporation, condensation, sublimation, and deposition. During these changes, the particles of the substance reorganize themselves into a different arrangement.
What Change occurs when One substances reacts with another substance?
When one substance reacts with another, a chemical change takes place. This involves the breaking and forming of chemical bonds, resulting in the creation of new substances with different chemical properties than the original ones.
What occurs when a substance reacts and forms one or more new substance?
chemical change.
What type of change occurs when a new substance is formed that has different properties from the original substance?
A chemical change occurs when a new substance is formed with different properties from the original substance. This change involves the rearrangement of atoms and the formation of new chemical bonds. It is typically irreversible.
What kind of change occurs with a new substance being formed?
Chemical change.
What does not change when a physical change in a sample occurs?
Substance in the material Remain the same
When a physical changes occurs a substance's changes?
A new substance is formed only after a chemical change.
What is the diffeference between a physical and a chemical change?
A physical change is when a substance changes, but still keeps its identity. When a chemical change occurs, the substance changes its identity.
The change that occurs when a substance changes state is a?
it is called a meniscusal form
