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When matter cannot be separated into more than one substance by physical or chemical means it is called?
A pure substance.
How call you tell if a substance is more or less dense then water?
You can determine if a substance is more or less dense than water by comparing their densities. Water has a density of 1 g/cm3 at 4 degrees Celsius. If a substance has a density greater than 1 g/cm3, it is more dense than water. If it has a density less than 1 g/cm3, it is less dense than water.
Why do physical changes need less energy than chemical changes?
Physical changes require less energy than chemical changes because they involve alterations in the state or appearance of a substance without changing its molecular structure. For example, melting ice into water or dissolving sugar in water are physical changes that primarily involve breaking intermolecular forces, which requires less energy. In contrast, chemical changes involve breaking and forming chemical bonds, which necessitates a greater input of energy to rearrange the atoms into new substances.
When do you say that a substances has lower density than water?
A substance has lower density than water when it floats on water. This indicates that the substance is less dense than water.
Substance changes to form a new substance with?
Substance changes to form a new substance through a chemical reaction. This involves the breaking and forming of chemical bonds between atoms, resulting in the creation of new molecules with different properties than the original substances.
What term defines an acid?
An acid is a substance that donates hydrogen ions in a chemical reaction, typically characterized by a pH less than 7.
Can the pH level of a substance be less than 1?
Yes, the pH level of a substance can be less than 1, indicating a strong acid.
When a new substance is formed with different propities than tan the original substance it is called what?
When a new substance is formed with different properties than the original substance, it is called a chemical reaction. Chemical reactions involve the breaking and forming of chemical bonds between atoms to create new substances with unique properties.
What can you infer about the density if a block of the substance floats in water?
If a block of the substance floats in water, it means that the density of the substance is less than the density of water. Since objects with lower density than water float in water, we can infer that the substance is less dense than water.
What can you infer about the density of substance if a block of that substance floats in water?
If a block of a substance floats in water, it indicates that the density of the substance is less than the density of water. The substance is less dense than water, which allows it to float instead of sinking.
How can you determine weather a solid substance is more dense or less dence than water?
You can determine whether a solid substance is more or less dense than water by comparing their densities. If the density of the substance is greater than the density of water (1 g/cm^3), then the substance is more dense. If the density of the substance is less than the density of water, then the substance is less dense.
Is basicity a chemical or physical property?
Basicity is a chemical property that describes the ability of a substance to accept or donate protons in a chemical reaction. It is related to the chemical structure and composition of a substance rather than its physical characteristics.
Will the post-closing trial balance will generally have fewer accounts than the trial balance?
Yes, it will have less accounts than the trial balance.
Why does one substance float over another?
A substance floats over another substance if it is less dense. Density is a measure of how much mass is in a given volume, so if one substance is less dense than another, it will float on top. This is due to the buoyant force exerted on the less dense substance by the denser substance.
Substance produced by a chemical reaction?
A product is a substance formed during a chemical reaction. It is the result of the reaction's course and might have different physical or chemical properties than the reactants.
How is the composition of a substance different from the composition of a mixture?
A substance has a specific chemical composition while mixtures contain more than one substance.
When a new substance is formed with different properties than the original substance it is called?
Chemical reaction.
