Answer:
their density is only lighter than water because of the air inside. without the air you would sink even if you were holding it firmly.
Explanation:
Answer:
This is because an increase in temperature increases the movement of molecules/particles of reactants which encourages collision and subsequently, reaction.
Answer:
a high school classroom?
Explanation:
a high school classroom prob chemistry
Answer:
It is a covalent bond because both carbon and oxygen are nonmetals. The formula will be CO² because the electrons between the atoms are being shared equally.
<span>density is an intensive property of the matter, it doesnt change with the change of mass for the same substance, at the same pressure and temperature</span>