select all the correct answers.\nin most cases, what happens to a liquid when it cools?\n□ its density…

select all the correct answers.\nin most cases, what happens to a liquid when it cools?\n□ its density increases.\n□ its density decreases.\n□ its mass increases.\n□ its mass decreases.\n□ its volume increases.\n□ its volume decreases.

select all the correct answers.\nin most cases, what happens to a liquid when it cools?\n□ its density increases.\n□ its density decreases.\n□ its mass increases.\n□ its mass decreases.\n□ its volume increases.\n□ its volume decreases.

Answer

Explanation:

Step1: Recall density - volume - mass relationship

Density $\rho=\frac{m}{V}$, where $m$ is mass and $V$ is volume.

Step2: Understand mass property

Mass is conserved for a closed - system. When a liquid cools, no matter is added or removed in a closed - system, so its mass $m$ remains constant.

Step3: Analyze volume change on cooling

In most cases, when a liquid cools, its molecules slow down and get closer together, so the volume $V$ of the liquid decreases.

Step4: Determine density change

Since $\rho=\frac{m}{V}$ and $m$ is constant while $V$ decreases, the density $\rho$ increases.

Answer:

Its density increases. Its volume decreases.