Abeaker contains a liquid sample of a molecular substance. both the beaker and the
liquid are at 194 k. the graph below represents the relationship between temperature and
time as the beaker and its contents are cooled for 12 minutes in a refrigerated chamber.

state what happens to the average kinetic energy of the molecules in the sample during
the first 3 minutes.

What are the chemical names of these compounds? ke: mg3n2: reset next

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of

Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?