Answer:
It matters
Explanation:
Pure substance are known to have a sharp freezing point. However, the presence of solute lowers the freezing point of the solvent. The best time to measure the freezing point is when the freezing process is just beginning.
It will be an error to measure the freezing point when the part of the solution has already frozen.
Answer: A butterfly population includes both green and yellow butterflies, and a predator sees yellow more easily than it does green" would lead to evolution since the green ones would live on.
Explanation:
Answer:
the heat energy is transformed to any kind of energy depending on what it's meant to be transformed to.
remember it cannot be destroyed so it's definitely transformed to some kinda energy
Answer:
The answer to your question is below
Explanation:
Material Classification Reason
Crude oil Mixture Because we know that crude oil
is composed of different substances.
Butane Compound Because it is composed of carbon
and hydrogen
Dodecane Compound Because it is composed of carbon
and hydrogen.
Octane Compound Because it is composed of carbon and
hydrogen.
Benzene Compound It is also composed of carbon and
hydrogen.
Gasoline Mixture It is a combination of hydrocarbons
Kerosene Mixture It is a combination of hydrocarbons
Oxygen Element We can find it in the periodic table.
Carbon dioxide Compound It is composed of carbon and oxygen.
Water Compound It is composed of hydrogen and
oxygen.
