Drugs
When a substance changes from a liquid to a gas energy is absorbed. When a substance changes from a gas to a liquid energy is released.
The mass of a substance does not change when the amount of the substance changes. The temperature of a substance does not change when the amount of the substance changes. However, the volume of a substance may change when the amount of the substance changes, depending on the conditions.
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
Chemical properties refer to a substance's ability to undergo changes that alter its composition and identity. These changes often involve the breaking and forming of chemical bonds within the substance.
The digestive system changes food into a soluble substance. This process involves mechanical digestion (chewing and churning) in the mouth and stomach, as well as chemical digestion through enzymes in the stomach and small intestine that break down food into nutrients that can be absorbed by the body.
When a substance changes, any or all of its properties can also change.
When a substance changes from a liquid to a gas energy is absorbed. When a substance changes from a gas to a liquid energy is released.
Physical changes in a substance result in
Chemical Change.
When a substance changes, any or all of its properties can also change.
The mass of a substance does not change when the amount of the substance changes. The temperature of a substance does not change when the amount of the substance changes. However, the volume of a substance may change when the amount of the substance changes, depending on the conditions.
A thermometer works by using a substance, such as mercury or alcohol, that expands or contracts based on temperature changes. This substance moves up or down a calibrated scale to indicate the temperature. The accuracy of the measurement is determined by the precision of the scale and the sensitivity of the substance to temperature changes.
Changes the temperature of the substance
each substance has a density that differ from the densities of other substance.
When a substance changes from liquid to solid is called freezing.
A new substance is formed only after a chemical change.
A substance changes from a solid to a liquid at its melting point