6. (2 points) Which of the following actions would produce the greater increase in the volume of a gas sample: (a) lowering the pressure from 760 torr to 720 torr at constant temperature or (b) raising the
temperature from 10 °C to 40°C at constant pressure? Show your work.

Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line