The water in an aquarium is warmed by a heater located under the gravel in the bottom of the aquarium. Explain how the energy is transferred through the water.

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.