Isabella filled a glass with warm water. She measured the temperature, and it was 30�c. She left the glass on a table in a room that was 20�c. A few hours later, she measured the water temperature again, and it was 24�c. Which best explains why the water temperature changed?.

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

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 ?

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro