7. which state of matter has a definite volume but no definite shape?
liquid
gas
solid

Liquid.

Explanation:

Hello,

In this case, on the attached picture, a graphic scheme of the molecular distribution of solids, liquids and gases is given. In such a way, it is seen that the liquid molecules have a definite volume defined by the amount of molecules and the space they occupy but they do not have a definite shape as solids have, this is due to the fact that they take shape of the container they are in. Therefore the answer is liquid.

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every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.