Please help me solve these stimulus(cause) scenarios, find out the response (effect), and if the stimulus is internal or external for all 4 problems! will give brainliest and a heart!

Element before carbon on the periodic table

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.

What is calcium oxide+diphosphorus pentoxide--> calcium phosphate balanced