Asolution is made by dissolving 10.20 grams of glucose (c6h12o6) in 355 grams of water. what is the freezing point depression of the solvent if the freezing point constant is -1.86 °c/m?

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

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 ?

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.