In the demos this week we saw an empty soda can collapse when moved from the flame of the bunsen burner to the cool beaker of water. Why did this happen? What law or laws describe this relationship?

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?