Describe two uses of surfactants. At least one must be something that was not described in the
passage. For each example, explain how the
effects of the surfactant make it useful.

Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l

Which position represents spring in the southern hemisphere? a) b) c) d)

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball