State of Matter Chemistry TEST

The temperature of the water started rising only when:

Othere was steam coming off the water in the beaker.

Othere was only water in the beaker.

theres was ice mixed with the water in the beaker.

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

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 the measured amount of a product obtained from a chemical reaction?