Don’t Burn Your Mouth Figure 3 The American Sign Language expression for hot shows a reaction to hot food.

Apply Concepts Use the terms stimulus and response to explain what the sign is expressing.

What are the similarities of physical and chemical change ?

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?